Homo heidelbergensis and the ceremonial origins of language Gary B. Palmer Jennifer Thompson Jeffrey Parkin Elizabeth Harmon (Nevada, Las Vegas) To be published in Masataka Yamaguchi, Dennis Tay and Ben Blount, Eds. Towards an Integration of Language, Culture and Cognition. Palgrave MacMillan September 9, 2012 3/3/16 Language originated as play, and the organs of speech were first trained in the singing sport of idle hours.—The genesis of language is not to be sought in the prosaic, but in the poetic side of life.—Otto Jespersen (1922:413, 433) Introduction1 We propose that the first words and phrases to emerge in human language were song-like evocations of mental imagery depicting the routines of daily life and the life crises of proto speakers living in middle Pleistocene times between 600K ya and 130K ya.2 The proto speakers belonged to a species of transitional humans known to science as Homo heidelbergensis. According to this hypothesis, their proto language or languages accompanied the rhythms, dances, gestures, postures and facial expressions of ceremonial narratives that acted out imagery of events and fantasies in the middle Pleistocene. Ceremony provided a social setting in which intersubjectivity was intensified with the result that vocalizations and subsegments of vocalizations acquired shared meanings and became conventionalized as verbal symbols and constructions. In spite of vast differences between the culture of heidelbergensis and extant human cultures, recent findings in cultural and cognitive linguistics may shed light on language genesis and the nature of proto language. This rather hypothesis of ceremonial origins is developed within the theory of cultural linguistics, a theory which synthesizes linguistic anthropology and cognitive linguistics (Palmer 1996). As we outline the hypothesis in this introduction, we will use the declarative mood and write in the simple past tense as though it were a known fact that verbal language evolved according to our hypothesis. This will avoid a great many instances of “would have,” “could have”, “might have,” and similar hedges. Unless facts are supported by citations, the reader should remain aware that our depiction of language emergence is actually an elaborate hypothesis which, in our view, accords well with current knowledge of prehistory and language. In support of the hypothesis, we cite evidence that peoples such as Homo erectus and early heidelbergensis communicated with a range of vocalizations, as do contemporary primates, and that the conceptual world of heidelbergensis was sufficiently complex to support a way of life involving foraging, kinship relations, economic exchanges, and ceremonial activities. We explain how concepts that were salient in foraging proto cultures became linked to reproducible variants of vocalizations. It follows that the assemblage of all such verbal symbolic linkages constituted proto speech, which was blended with gesture into proto language. As language emerged concurrently across multiple cognitive and cultural domains, it conferred overwhelming selective advantages on individual speakers and small groups of kinsmen, with the eventual result that hominine bodies and brains evolved to support fully human language and culture. We propose that the genesis of symbols in middle-Pleistocene proto language took place in dramaturgical settings such as collective ceremonies , which amplified communications by encouraging vocal and gestural displays and mimesis. In ceremonial settings, performers and observers enhanced their intersubjective understandings of the ceremonial imagery by pointing, gesturing, and posing, and by monitoring the communications and emotions of others. The intersubjectivity of ceremonial communications and enactments conferred collective meaning on vocalizations and gestures. By repetition, emergent symbols became entrenched and widely shared. The 1 3/3/16 most adept participants acquired enhanced understandings of their environments and social lives, constituting a new worldview, which was taken up by successive generations generations. As their languacultures (Agar 1994) evolved very gradually in performances and vocal exchanges, interlocutors acquired conceptual models that were more detailed, accurate, general, or brightly profiled. The new models, at once both cognitive and cultural, conferred selective advantages on individuals and foraging bands across a range of social and utilitarian activities. The salient cultural experiences that motivated dramaturgical performances in the Middle Pleistocene included scavaging, gathering, and hunting, with their supporting activities of tool-making and using. Archaic humans visited kin in neighboring bands and exchanged foods and materials for tool-making (Marwick 2003). They formed task groups, and allocated tasks by sex, age, and ability. They made fire, but did little cooking, at least in the early Middle Pleistocene. Like other primates, they engaged in prestigeseeking behavior and mutual grooming that improved their chances of forming alliances and coalitions, succeeding in economic exchanges, and mating. They fell sick and doubtless attempted to heal one another. They cared for infants and demonstrated skills to juveniles.3 Juveniles played with their siblings and cohort mates and pestered the adults. The proto speakers fought with other bands of hominines and they avoided or fended off such formidable predators as saber-tooth cats, leopards, lions, and giant hyenas. With life’s daily challenges and activities came fatigue and rest, dreams and nightmares, irritations, joys, rages, mutual affection, lust, jealousies, anticipations, satisfactions, suspicions, fears, frustrations, disgust and disappointments. All these experiences and emotions were shaped by heidelbergensis cultures in Europe and Africa. Their life experiences, memories, and fantasies furnished the source material for ceremonial mimetic performances, what Knight (1998:87) has called “fantasy-sharing representational activity.” This theory of language genesis explains how and why symbolic differentiation occurred and how verbal and gestural signs and constructions were readily entrenched, grammaticalized, and passed on to succeeding generations. It fills in gaps of cause and motivation missing from scenarios such as the song theories of Jespersen (1922) and Livingstone (1973); the naming theory of Haldane (1955); the call blending and play theory of Hockett and Ascher (1964); the gesture theories of Hewes (1973, 1994), and Yao (1989), Armstrong, Stokoe and Wilcox (1995), and King (1996); the “catastrophic” theory of Bickerton (1995) and similar crystalization theory of Li (n.d.) and hierarchical step theory of Johansson (n.d.); the social grooming theories of Dunbar (1998), Power (1998), and Locke (1998); the rule of law theory of Knight (1998, 2009); the mirrorneuron theory of Arbib (2004), the mimetic theories of Zlatev (2008, n.d.), and Knight (1998), and the adolescent performative theory of Locke and Bodin (2006).4 And it explains why emergent proto language conferred selective advantages on speakers.5 Sinha (2004) theorized that the central problem in language origins is the genesis of symbols, which is founded on intersubjectivity and normativity. We hold the same view. This chapter can be viewed as an attempt to apply cognitive and cultural linguistic theory to the genesis of language as a system of symbols. Falk (2004) theorized that early hominin mothers were forced by the biology of bipedal locomotion to place their relatively helpless infants on the ground while foraging and preparing foods, thereby creating mutual separation anxiety, which stimulated infants 2 3/3/16 to call out and mothers to produce soothing vocalizations. Thus, the motherese of early hominins provided the scaffolding for the genesis of speech. Falk’s theory offers a plausible explanation of selection for increasing frequency of affective communications. It may also explain how early hominins gained the intersubjective abilities sufficient to enable the subsequent development of speech, but it does not specify the conditions that enabled and drove the evolution of symbolism and grammar, which we would construe broadly to include constrastive phonology, morphology, phrase and sentence constructions, and genres of speech such as narratives and jokes. Our story begins where Falk’s leaves off. 1. Homo heidelbergensis <Figure 1. Homo heidelbergensis sites > < Figure 2. Homo heidelbergensis (Broken Hill, Kabwe, Zambia)> Since we hold that proto language emerged from the attachment of vocalizations to elements of mental imagery, it will be useful to sketch what is known of the bodies, lives and cultures of proto speakers so that we can imagine what they imagined and reenacted in ceremonies. The scientific name Homo heidelbergensis names a proposed hominine species that lived in Africa, Europe, and Asia during a period beginning at 800K to 600K ya and ending at 130K to 97K ya (Table 1).6 The group has also been called archaic Homo sapiens and advanced Homo erectus (Klein 1989). It is thought that they evolved from H. erectus or H. ergaster and that they are ancestral to both Neanderthals and modern humans (Klein 1989; Campbell and Loy 2002).7 The heidelbergensis ancestors of H. sapiens are believed to have lived in Africa, while those of neanderthalensis were in Europe, where the climate became much more severe from about 200K ya. Heidelbergensis populations throughout the Old World apparently underwent a “demographic explosion” after 500K ya (Aguirre & Carbonell 2001:15; See also Aiello 1998). Heidelbergensis is distinguished from previous hominines by large cranial capacities averaging 1,283 cc, which is about 30 percent larger than H. erectus. The cranial capacity of Bodo was 1300 cc, which falls well within the range of contemporary adult humans. In Kabwe, the flexure of the base of the cranium approached the modern angle, which suggests the possibility of speech (Figure 2). Heidelbergensis teeth were smaller than those of H. erectus, but most of them still lacked any sign of a chin. The African forms had large noses and broad faces, which were more protruding than those of H. sapiens. Heidelbergensis approached the height and weight of contemporary humans: up to 6’1” tall (185 cm) and 165 lb (75 kg), but they were much more physically robust and powerful. The large brain size and robust physique of heidelbergensis point to a diet rich in meat and fat obtained by scavenging or hunting large animals such as elephants and giant gelada baboons (Campbell and Loy 2002). At Bodo, Ethiopia at about 600K ya, butchering and hunting tools were found with remains of hippos, baboons, and antelopes (Kreger 2000). European bones and tools from about 500K ya indicate scavaging or 3 3/3/16 hunting of elephants, rhinos, hippos, and smaller animals. By 250K ya they left evidence of hunting mountain gazell, fallow deer, aurochs, and horses, selectively harvesting the prime adults (Stiner 2002; Aguirre and Carbonell 2001). Wear of the anterior teeth indicates a hard, abrasive diet that probably included roots, stems and seeds (deCastro et al., 2003). Patterns of tooth wear suggest that females were eating more variable and different foods than males and food processing was minimal (Perez-Perez et al. 1999). <Figure 3(a). Late Acheulian hand axe from Kathu Pan, 600K ya (Klein 2009: 380, Fig 5.49)> <Figure 3(b). Late Acheulian cleaver from Elandsfontein (Klein 2009: 381, Fig. 5.50)> It is unclear whether heidelbergensis was prey for large carnivores, but cut marks on the Bodo cranium show that it might have been defleshed with stone tools such as those in Figure 3, so cannibalism may have occurred (White 1985, 1986).8 Most of the Middle Pleistocene African sites with stone tools derive from the Acheulian tradition, which was known for “spectacular” bifaced hand axes up to two feet in length. They are pear-shaped with a cutting edge that is carefully flaked on both sides using a piece of bone, wood, or antler (Figure 3, and Davidson 2002:183). The African Acheulians also made cleavers, which are shaped like a modern ax head and were possibly used for dismembering carcasses (Campbell and Loy 2002). Some African sites include artifacts from the Lavallois tradition including scrapers, choppers, and tools with toothed or notched edges. Kabweans made long, narrow stone picks. Spears have been found in European sites. Heidelbergensis almost certainly used fire for cooking, warmth, and protection from predators (Campbell and Loy 2002; Goren-Inbar et al. 2004). Tools and fire must have figured prominently in middle pleistocene narratives. Over the time span of heidelbergensis, there occurred two remarkable cultual changes, as shown by evidence from six sites in East Africa (Marwick 2003). The distances that raw materials for tools were transported increased from 15 to 100 km about 1 million years ago and increased again up to 340 km after 250K ya., even when closer sources were at hand. Marwick theorized that the early increase indicates expanded home ranges, but the later one argues for exchanges of stone materials between neighboring groups of kinsmen. Larger home ranges would have required a simple topic-comment protolanguage and face-to face negotiations (2003:68), while long distance transfers presuppose more elaborate symbolic communications. 2. Skeletal evidence for heidelbergensis language <Figure 4. Time line for development of vocal apparatus> The weight of the evidence supports, if still somewhat weakly, the hypothesis that crucial parts of the physical apparatus needed for speech emerged during the time of heidelbergensis . The larynx had already descended in some common hominin ancestor, thereby providing one of the prerequisites for the subsequent development of the pharynx and lowered base of the tongue. Much later, quite possibly in the middle Pleistocene, the base of the cranium became flexed, the hyoid descended and its structure became 4 3/3/16 modern, the base of the tongue descended, and the two-chambered, right-angled, supralaryngeal vocal tract developed. Sometime between 600K ya and 100K ya the vertebral canal enlarged to accommodate the neurons that support fine control over modulations of air pressure in the vocal tract (Laitman 1985:283; Martinez et al. 2008; Nishimura et al. 2003; Ross, et al. 2004; MacLarnon and Hewitt 1999). It appears that heidelbergensis was acquiring the vocal apparatus necessary for language. Most germane to the question of speech capabilities is the study by Martinez, et al. (2004) of the anatomy of the inner and outer ears of five heidelbergensis skulls from Sima de los Huesos, dated prior to 350K ya. The anatomy suggests that heidelbergensis heard a range of frequencies similar to those in the speech range of contemporary humans. 3. Prelinguistic vocalization and the transition to protolanguage Proto speakers did not simply wake up one fine Thursday morning in the Middle Pleistocene and find themselves possessed of vowels and consonants, syllables, morphemes, and proto words.9 To understand the emergence of speech, we need some idea of the sound and organization of proto speech. Since we retain elements of the primate call system in our screams, grunts and laughter, we can be sure the proto speakers had a primate repertoire of calls (Burling 1993). They made other sounds as well, such as lipsmacks, tongue smacks and teeth chatters (MacNeilage 1998; MacNeilage & Davis 2000). Burling (1993) argued that speech is so different from the call system that it could not be derived from it. Deacon (n.d., 1992) has suggested that the primate call system was somehow released from selective pressure so that over many generations it partially degenerated. Freed of tight constraints, the vocalizations of proto humans became more flexible,varied, and increasingly subject to cortical control.10 Something similar may have occurred at about the same time with gesture, accounting for the fact that infants produce symbolic gestures prior to speaking (Tomasello 2003). 3.1. Vocal symbolization and protosyntax in primates For evidence of both proto syntax and vocal symbolism, we can consider primate call systems.11 Újhelyi (1998: especially 178), and Újhelyi & Buk (2001) observed that the long calls of monogamous territorial primates, i.e. gibbons, and of chimpanzees and bonobos, contain meaningful sub-units that can be varied in sequence. It is not clear whether different sequences have different meanings. Describing the elaborate calls of gibbons, she noted that “acoustically different songs can be created by changing number, type and position of elements (notes)” (1998:179). All produce coordinated calls, sychronizing (gibbons and bonobos), calling in chorus (chimpanzees), and engaging in male-female duets (bonobos). What is the meaning of such calls? Apparently, gibbon song variants “mark individual identity,” while chimpanzee pant-hoots mark the status of the caller (Újhelyi 1998:185). However, when chimpanzee males call together there is a tendency to match the calls of the partner, so if there is “meaning” it may be the affection and comfort experienced in good company. Újhelyi concluded that chorusing and dueting spread call variants and standardized them, creating a “call pool” containing a large number of variants “available for and usable by other group members” (1998:186). 5 3/3/16 It seems likely that hominin proto speakers, like chimpanzees and bonobos, called in chorus and in duets, leading to conventionalization of volcalizations. We cannot conclude that the meanings of long calls were sharply defined, but it seems likely that early heidelbergensis arrived already possessed of a rudimentary grammar. While early humans were developing the speech system, the primate call system persisted, though perhaps in reduced form (Burling 1993).12 A parsimonious explanation of proto grammar in human language would derive it from primate syntax and/or grammar by proto grammaticalization, the use of shorter, perhaps syllabic, forms obtained by reduction and the assignment of new meanings to some of these. It is likely that proto syntax recruited elements of the long call system. An alternative theory, contested by MacNeilage (1998a; 1998b:231-232), recruits syntax from the region that supported the manual dexterity, sequencing, and analysis needed for tool making. 3.2 Proto frames Some researchers look to consonants and vowels or to syllables as elemental frames and debate the importance of various precursors and neurological factors in producing them (MacNeilage 1998; Greenburg 1998; Jürgens 1998; Menn 1998). Ohala (1998) argued that the primary acoustic parameters are amplitude, periodicity, spectrum, and pitch, upon which were later imposed syllables. Our interest in the topic begins when proto consonants, vowels, and syllables acquired meanings or became combined and assimilated into meaningful assemblages as morphemes. One place to begin is to ask what the syllables of proto speech might have sounded like. Would they be the most common syllable patterns found crosslinguistically in infant babbling, or in the first words of developing infants, or in the larger vocabulary of adult speakers? MacNeilage and Davis (2000) determined the frequency of CV (consonant-vowel) patterns in the babbling of six infants, the first words of 10 infants, and in the words of 10 languages from six different language families.13 They found that three CV patterns and one CVC pattern occurred in each of these three life stages with greater frequency than expected by chance. The CV patterns were (1) labial stop consonant or labial nasal ([p], [b], [m]), followed by a central vowel , (2) coronal stop consonant or coronal nasal ([t], [d], [n]) followed by a front vowel ([æ]), and (3) dorsal stop consonant ([k], [g]), followed by a back vowel ([o]). The CVC pattern consisted of a labial stop consonant followed by a vowel and terminating in a coronal stop consonant. They characterized this fourth pattern as expressing a “’fronting’ tendency” (2000:528). The findings of MacNeilage and Davis suggest that humans are born with motor schemas for four types of syllables. They conjectured that these types originated in proto language, because they occur in the proto language proposed by Bengtson and Ruhlen from syllable distributions found in recorded languages (1994). While the evidence is weak, the conjecture itself seems reasonable. The earliest forms may have acquired meanings while still embedded in longer, unreduced, calls. This small set of constraints can be used to create a surprising number of distinct utterances. The rules generate eight CV and twelve CVC syllables, as in (1) and (2), which we write as though preparing a reader in Heidelbergensian, omitting square brackets and unfamiliar characters: “a” is a central vowel; “e” is a mid-front vowel ; “o” 6 3/3/16 is a back vowel. Allowing the CV set to be affixes of a single type (prefix or suffix) yields a lexicon of 8 x 12 = 96 words. Allowing the CV and CVC sets to be words, the total lexicon reaches 116. Allowing two-word utterances without repetition or fixed word order, produces an astounding phonological pool of 13,340 possible one and two-word utterances, even without tapping the possibilities of word order, syllable reduplication, syllable as prefix in one construction and suffix in another, vowel length, compounding, stress, tone, or larger constructions. The number of conventional meanings conveyed would be reduced by synonymy but expanded by polysemy, metonymy, and metaphor. (1) CV syllables ba, ma, pa, te, de, ne, ko, go (2) CVC syllables pet, ped, pat, pad, pot, pod, bet, bed, bat, bad, bot, bod (3) CV-CVC terms ba-pet, de-ped, do-ped, ma-pat, ne-pad, pa-pot, te-pod, ma-bod, … When protospeakers began to attach meaning to such utterances, a large field of variants was readily available for minimal expenditures of cognitive and phonological effort. 4. Protosemantics Given that development of hominin material culture proceeded with glacial slowness over most of the past 2 million years, it is likely that contemporary brains operate very much like ancestral ones in many respects. It is only in the past 60K years that evidence of rapid cultural change appears in the archaeological record. It is likely that heidelbergensis thought in some of the same ways that humans do today. Using the terminology of cognitive linguistics, we would expect them to think with image schemas, cognitive models, conceptual metaphors, conceptual metonymies, and conceptual blending (Lakoff and Johnson 1980; Lakoff 1987; Langacker 1987; Palmer 1996, Fauconnier 2002).14 These thought processes operate in all fields of meaning (Tomasello 2003). Their specific content was embedded in the enduring ideas furnished by their cultures. The influence of cognitive and cultural categories on grammar has been the subject of much research over the past three decades. The positive feedback loop is clear. As biological evolution enhanced the speed and precision of proto languages, there was an acceleration of language-driven conventional thought, which fostered the elaboration of adaptive cultural models, which conferred adaptive advantages on the speakers of proto languages, thereby channeling further biological evolution. In an effort to discern the semantic scaffolding available to heidelbergensis in the genesis of speech, we will examine several concepts commonly deployed by cognitive and cultural linguists and explain why they are pertinent to understanding the emergence of language. The concepts are: Conceptual metaphors; Polycentric conceptual networks; Spatial orientation; Action chains and scenarios; Polysemy, morphology, and grammaticalization; Iconicity and phonological networks. 7 3/3/16 4.1. Conceptual metaphors: MATING IS FORAGING (HUNTING OR GATHERING) Lakoff and Johnson (1980) and Lakoff (1987) demonstrated that much of language is governed by conceptual metaphors that reflect bodily experiences and cultural models. Heidelbergensis may have grasped the conceptual metaphor MATING IS FORAGING, which derives from exchanges of subsistence goods between the sexes or between the families of mated couples. It is common for young men in hunter-gatherer societies, such as the !Kung San of the Kalahari desert, to do years of bride service by hunting for the family of their wife. In !Kung folklore, women are meat animals hunted by men (Biesele 1986). In the myths of hunter-gatherers in North America, it is common to find that heroes marry large game animals such as deer, elk, and buffalo. Female characters in myth married edible roots or salmon. In Ute mythology, carnivores are typically male and their wives are typically herbivores or other edible creatures. In the marriage ceremonies of the Nez Perce, the family of the groom brings game for the family of the bride, and the bride’s family brings edible roots for the family of the groom. Based on Marwick’s (2003) archaeological evidence for exchange in the Middle Pleistocene, we suggest that proto linguistic heidelbergensis may have already possessed a cultural model of exchange in which males provided game and females provided plant foods. Therefore, they may have had some intuition of the conceptual metaphor MATING IS FORAGING that awaited only the genesis of speech for its verbal expression. 4.2. Polycentric conceptual networks Lakoff (1987) demonstrated that a noun classifier is a complex category that includes mainly terms that belong to a common “domain of experience.” The balan classifier of Dyirbal applies to the term for woman, terms for characters in the myth of the sun (a female), and other entities that were similar in being hot, dangerous, or at least prickly. Palmer and Woodman (1999) showed that a classifier may have multiple central concepts linked to one another and to less central terms by similarity, elaboration, or metonymy. They also made it explicit that the domain of experience which governs the classifier is a cultural model, usually consisting of a small set of salient scenarios. For example, the Shona classifier 3/4 centers around ancestors, rain making, medicine, and the domestic activity of pounding grain in a mortar with a pestle. From just the pounding scenario, one finds links to terms for long thin things, pounding, ground grain, repetition, irritation, and noise, all of which take the same classifier prefix. Since classifiers are common in the world’s languages, we think it likely that proto speakers had something similar. They linked concepts to their central scenarios in networks of conceptual metonymy and metaphor, which served as the semantic scaffolding for proto language. 4.3. The language of spatial orientation Foragers may conceptualize orientational frames in terms of “absolute” coordinates, i.e. in terms of macro scale cognitive maps of the landscape (Hallowell 1955; Haviland 1993, 1996; Levinson1996; Palmer 2007).15 One result is that a narrated event is always placed in the same orientation relative to the landscape rather than being dragged and rotated with the changing position of the narrator, even when the orientation is communicated by gestures! This command of orientation with macro maps is essential to narrative mimetic presentations, which may involve acting out the behavior of animals, hunters, and deities 8 3/3/16 in ceremonials. Given the importance of spatial orientation in finding camp sites, useful plants, and raw materials for tools, and in finding and following game, it is likely there was a proto language of orientation and geography that was employed in ceremonials depicting hunting. Spatial cognitive maps are often tightly meshed with other cultural models. The Chemehuevi Indians of the southern Colorado River had song cycles that narrated the travels of mythical animals, such as Fox and Deer, to spiritual places in band territories (Laird 1976). A similar pattern is found in Aboriginal cultures of Australia, where, according to Malcolm (1996:159) “the moving and stopping narrative is a deep-seated cultural organizing principle.” Movements from site to site, activity to activity, and event to event structure songs, creation myths, and campfire stories told by both sexes. A cycle may include a departure, a stay in a new place, and a return to the starting point. In Aboriginal English, the schema surfaces in such seemingly eliptical expressions as “went out”, “driving along”, “out in the bush”, and “coming back” (Malcolm and Sharifian 2002). It meshes with the hunting schema, which is narrated with terms such as “chasing”, “catching”, “killing,” and “having a feed”. One may imagine heidelbergensis as wandering continually to new territories, but most movement probably took place in cycles within known territories, which became invested with social memory and, perhaps, mythical imagery. For a speaker of Apache, a place name evokes a moral; and full native knowledge of the landscape constitutes a morality (Basso 1984). Similarly, for most Americans, the expression “New York Trade Center” unfailingly evokes scenarios of global terrorism and revenge. Spatial knowledge, whether schematic or rich in detail, is acquired in a socio-cultural context. The interweaving of spatial and social knowledge produces a field of social metonymy (Schieffelin 1976; Palmer 2007). The conceptual metonymy of space was readily available to heidelbergensis for use in proto speech, because their territories were laden with memories and mimetic history. 4.4. Action chains and scenarios A clause such as he killed the elephant with a spear predicates what Langacker (2000:30) calls a schematic action chain of AGENT --> INSTRUMENT --> THEME (OBJECT).16 Processes caused by an explicit agent, force, or transfer of energy are said to receive an energetic construal. Other clauses, such as the elephant died or the ice melted, construe a participant as undergoing an “autonomous thematic process” in which there is no explicit causation or transfer of energy from an agent to an instrument or theme. These processes are said to receive an absolute construal. The distinction between energetic and absolute construals corresponds roughly to the grammatical distinction between ergative and absolutive cases that are found in many languages. It also corresponds roughly to the Navajo hierarchy of energetic and mental potency (Witherspoon 1977; Palmer 1996) and to hierarchies of empathy and animacy that organize the roles of nominal participants (Langacker 1991:306-307; Comrie 1989:185). It seems safe to assume that heidelbergensis recognized energetic and autonomous processes, and that these were salient concepts which competed for grammatical status in proto language. Furthermore, many of the events uppermost in the mind of any social animal are scenarios of interaction. We can therefore assume that the distinction between energetic and absolutive construal was social as well as mechanical. To the extent that 9 3/3/16 heidelbergensis had intersubjective awareness and a theory of mind, the two types of construal would be extended to take into account motives, intentions, and experiences. Here we can agree with Bickerton (1998:351), who theorized that “the thematic roles of event participants may have pre-existed language by several million years.” Aiello (1998) and Armstrong, Stokoe and Wilcox (1995) relate the structure of language to the structure of social interactions. 4.5. Morphology, polysemy, and grammaticalization Studies of grammaticalization have revealed that nouns, verbs, or adjectives, which we call substantive terms, may evolve into adpositions (prepositions or postpositions) or affixes (prefixes or suffixes) (Hopper and Traugott 1993; Heine 1997). The changes occur with repeated usages in contexts where the substantives contribute only contextually salient elements of their fully specified meanings. Thus, the word for head has evolved in many languages to mean an extremity such as the top of a vertical entity, the most anterior point on a moving entity, or the end-point of a path schema. Most often, several abstract senses are simultaneously available in a semantic network as related but alternative meanings, and we say that the adposition or affix is polysemous (Brugman 1981; Lakoff 1987; Langacker 1991; Sandra and Rice 1995; Rice 2003). Grammaticalized forms often acquire evaluative senses, probably through the process of subjectification (Langacker 1990). In theories of language genesis, it is common to posit a period of protolanguage during which an utterance consisted of only a very small number of substantive terms--two or three in topic-comment relation according to Marwick (2003), three to five with no interdependence beyond random linear concatenation according to Bickerton (1998). We propose that even a simple two-word proto expression would have quickly grammaticalized with frequent use. A simple morphology might have emerged within a single generation. By grammaticalization, a verb meaning ‘want’ can evolve to a prefix marking future tense, as happened in Swahili; a verb meaning ‘get’ can become a possession marker and ultimately an existential, as happened in Chinese; and a noun meaning ‘person’ can evolve to mean ‘we’, as happened in the Khoisan language !Xun (Heine and Kuteva 2002). Perhaps it was the earliest phonologically reduced speech environment with relational forms that selected for the ability to hear and produce consonants, vowels, and syllables, thus accelerating the pace of speech. We should point out here that our conclusions differ in one important respect from those of Heine and Kuteva (2002), who proposed that protolanguage had no morphology. We also doubt that proto language had only two word types---nouns and verbs---unless verbs include attributives and other relational forms. We can agree with them that protolanguage had a small vocabulary and that context played a central role in interpretation, as it does still. We also agree that suprasegmental phenomena, such as tone, stress, and intonation should also be considered as part of the evolving heidelbergensis communications package. 4.6. Iconicity and phonological networks If ko were a heidelbergensis proto word for some entity or action, then one could evoke more of the entity or more intensive action by repeating it, or some portion of it, saying koko, or even kko. Similarly, one could lengthen the vowel. Any simple iconic 10 3/3/16 reduplicative morphology has the potential to double the vocabulary at a stroke. Tuggy (2003) described the elaborate symbolic network of reduplication in Nahuatl. His study shows that iconic morphology based on simple phonological transformations can greatly expand vocabulary. As one might expect, reduplication is an important morphological process in many of the world’s languages. It commonly predicates plurality, size (augmentative or diminutive), repetition, distribution, or intensity. Because augmentation and repetition are often experienced as good or bad, reduplication often predicates evaluation. Some languages commonly utilize several kinds of reduplication, and these are interwoven in somewhat irregular and complex phonological and semantic networks. Proto speakers would very likely have quickly begun using reduplication and building up a network of terms loosely linked to one another by phonological similarities and by conceptual similarities and metonymies.17 4.7. Summary of protosemantics We have argued that a number of domain general cognitive capabilities together with the cognition of space were very likely developing or well developed by heidelbergensis times and available to serve as the semantic scaffolding for proto language. We now consider the process by which the first verbal symbols were created in ceremonials that featured mimetic performances and vocalizations. 5. Mimesis < TABLE 2> Jordan Zlatev, drawing on theories of Donald (2005) and Arbib (2005), has theorized that language has its origins in mimesis and that “the key development toward language” was a stage that involved “declarative pointing” and “iconic gestures (pantomime)” (2008: 18). Zlatev (n.d.) finds in mimesis the “grounds for intersubjectivity”, which we have argued to be crucial in language genesis. Chris Knight (1998: 87, 88) connected mime, song, and dance to the origins of speech, but where we place the emphasis on ceremonial as an arena that intensifies intersubjective symbol production with meanings that touch a broad spectrum of concerns in the middle Pleistocene, Knight presents a narrower functionalist argument that ritual speech was used in “morally authoritative” enactments that functioned to present group identities symbolized by deities, while mimetic performance “drives selection pressures for subtle volitional control over emotionally expressive vocalizations and linked gestural representations.” Merlin Donald (1991:168) defined mimetic skill or mimesis as “the ability to produce conscious, self-initiated, representational acts that are intentional but not linguistic.” Mimesis is “rooted in kinematic imagination” and “the ability to model the whole body, including its voluntary action systems” (Donald 1998:49).18 He included in the concept of mimesis “tones of voice, facial expressions, eye movements, manual signs and gestures, postural attitudes, [and] patterned whole-body movements of various sorts” (1991:169). These are deployed in representational forms, including pantomime, reenactment and “ritualized group enactment” (Table 2). He noted that “long sequences of these elements can express many aspects of the perceived world” (1991:169), including 11 3/3/16 the communication of emotional states through facial and vocal mimesis. He recognized the dependence of mimesis on joint attentional frames (though he did not use the expression), such as is seen in a child’s ability to find the target of its mother’s gaze and in pointing. Mimesis must depend on intersubjective skills in general, which include the ability to participate in joint attention frames and to read intentions, which Tomasello (2003) has proposed as the ability that distinguishes humans from other primates. Children begin reading intentions at about one year of age. In essence, mimesis is the representation of mental imagery through performance. When performed by a group, mimesis may become ceremonial in which individuals play various roles. For example, historic hunter-gatherer societies enact scenes of hunting and celebrating a kill, girls and boys coming of age, supernatural curing in childbirth, visitations by mythical animal deities, and shamanistic journeys. In Donald’s view, the “quintessential mimetic skill” is rhythm, which required “the coordination of disparate aspects and modalities of movement” (1999:186). He observed that mimesis “works on a metaphorical principle, a principle of perceptual resemblance: the differentiation of event classes is generally based on repeated exposures to the class of event, and episodic event prototypes incorporate more and more instances” (1999:192). Pursuing this line a bit further, he said mimetic representations of social events “could be seen as an idealized template of those events” (1999:197). To this, we may add that what is communicated may owe as much to metonymy, because mimetic presentations evoke imagery that is connected by being part of the background scene. Donald theorized that the originator of mimetic culture was H. erectus, but it was H. sapiens who made the transformation to the succeeding stage of mythic culture supported by language. Curiously, Donald failed to apply his theory directly to the genesis of linguistic symbols. But the connection had been made a quarter century earlier by Earl Count in a comment on Hockett and Ascher (1964:157). Count wrote “I am suggesting that phasia [i.e. language] reflects, on its motor side, some coalescence of two communication-systems: vocalic and mimetic” [brackets added; emphasis in original]. 6. Ceremonies and the genesis of verbal symbols In her argument that gossip was fundamental in the genesis of language, Camilla Power (1998) asked “How does the listener know that the information is valuable?” In our theory, the question becomes, “How does the listener know that a particular vocalization provides information of a certain kind?” or “How does she recognize a verbal symbol when she hears it?” A symbolic connection can only be made if image and vocalization are presented in evocative connection together with a way to affirm mutual recognition of a new symbol, such as mutually followed and directed gazes (Sinha 2004). Audiences of multiple persons amplify the frequency of confirmations by gaze, vocalization, or gesture and increase the number of people acquiring the same symbols. Vocalizations may be uttered by one or more performers, or by members of an audience. New symbols may be understood as representations, exaggerations, metaphors, metonymies, or conceptual blends, depending on the context of presentation. The human activity that gathered together all the necessary elements for this emergence of symbolic speech was ceremonial, or perhaps proto ceremonial. Hypothetically, there was dance and mimesis of animals. There was acting out of 12 3/3/16 foraging trips, annual cycles of migration, mock captures between the sexes, and narrow escapes from predators. There was rhythmic foot stamping, percussion on wood or bone, chanting, humming, and hooting. Mimetic performances in ceremonials displayed panoplies of emotion laden images and presented spectrums of vocalizations. Particular representations evoked specific vocalizations, and vice versa, so that there was symbolic differentiation. The constraints that influenced differentiation may have been iconic, onomatopoetic, emotional, or postural. In general, they were probably initially soundsymbolic, though not necessarily obviously so. Armstrong, Stokoe and Wilcox (1995) made iconic gestures an intermediate stage in their gestural theory of language origins. However, Tomasello (2003:35) has pointed out that iconicity is not useful to children in learning symbolic gestures. The first symbols produced in ceremonial contexts may have been holophrases. They predicated all of whatever was most salient about complex actions or scenes, but evolved to predicate only elements of meaning abstracted from those scenes. Thus, a word acquired at the performance of an antelope dance might first map to a holistic concept of antelope, but eventually evolve to mean particular antelope, meat, fast runner, or dancing (cf. Tomasello 2003: 36-40; Armstrong, Stokoe and Wilcox 1995:234). The expansion of intention reading that occurred at some unknown time in human evolution accelerated symbolic genesis (Tomasello 2003). Monitoring of performance activates mirror neurons, so that individuals who witness or hear mimetic performance imagine themselves performing the same actions. Linkage of simultaneously activated mirror neurons between visual, kinesthetic, and auditory regions of the brain would support the emergence of symbolism in mimetic performance. When imagery is activated simultaneously in different modes, future similar activations in one mode evoke correlated images from another mode. Rizzolatti (1998:528) found different fields of mirror neurons in F5 and Broca’s area governing gestures of the face and mouth, the larynx, and the arms. He concluded that communication requires a mutual interplay of facial gestures, “brachiomechanical gestures,” and vocalization (“sound gestures”). Arbib (2005) argued from these findings that the remarkable human ability to imitate led to the development of proto sign, which he defined as “a combinatorially open repertoire of manual gestures” that emerged by a kind of distillation from pantomime. Proto sign provided “the scaffolding for the emergence of protospeech” (2005: page). To explain the poor correspondence between sign and speech, he proposed that the proto sign scaffolding faded away. Of course, the theory that speech originated in gesture is not new. It was proposed by Hewes (1973), Armstrong, Stokoe and Wilcox (1995) and others. Our theory suggests that proto sign and proto speech evolved concurrently and synergetically. Ceremonial provided a crucible for the forging of symbols. Community members, including infants and juveniles, participated in making the new symbolic connections. In the common symbolic environment participants learned patterns of vocalization and acquired shared meanings. Reiterative performances given in repeated ceremonials provided reinforced new vocabulary and established conventional pronunciations and meanings necessary to intergenerational continuity. Visiting with kindred bands for economic exchanges and ceremonial participation provides opportunities for wider sharing of emerging ceremonial language. Once established in ceremonials, new symbols would be readily understood in non-ceremonial contexts in which listeners who were 13 3/3/16 intersubjectively aware would compare meanings learned in ceremonies to suspected intentions of speakers and make the necessary inferences. In modern humans, it is adults who display the most elaborate grammar, yet it is infants and children who are the best learners. Acquisition of language by infants seems to require that they jointly attend to a field of reference with a more advanced speaker (Nelson 1996; Tomasello 2003; Sinha 2004). Yet if there are no speakers, to what is an infant to attend? The answer must be that the cultural milieu of the middle Pleistocene somehow selected for intersubjective skills, which were useful in learning tool-making, tool using, ritual participation, and other cooperative activities. Those who possessed intersubjective skills became better producers of food, clothing, and shelter; they raised healthier, more intelligent offspring; they gave better performances at ceremonials (which were also attended by infants) and become more attractive mates; they provided more encouragement to performers and developed closer interpersonal bonds; they cooperated more responsively and efficiently in a variety of tasks. At the transition to speech, infants and juveniles who inherited intersubjective skills could impute communicative intent to vocalizations of others and calculate the received meanings of their own intentional vocalizations. Once the new intersubjective skills applied to vocalizations were possessed by a sufficient, but unknown, portion of the population, speech could blossom. Hence, is it interesting that Locke and Bogin (2006:17) present convincing ethnographic evidence to support their conclusion that much of the elaboration of speech can be attributed to “the performative and creative nature of in-group verbal behavior in juvenility and adolescence.” This theory is not intended to displace all other theories of language origins. Particularly plausible theories with causative explanations include those that base the genesis of speech on motherese (Falk 2004), on grooming replacement (Dunbar 1998), or on mimesis and/or performance (Zlatev 2008, n.d; Locke and Bogin 2006). Elements of these complement the ceremonial theory. Speakers likely acquired some new symbols in non-ceremonial contexts, but we think that ceremonials provided an evocative context in which new symbols, constructions, and narrative conventions emerged, and symbols created elsewhere could be shared, entrenched, and conventionalized.19 7. Song theories Any sort of vocalization produced by actors or audiences in ceremonial performances could have served as the phonological raw material for the creation of verbal symbols. Nevertheless, our theory suggests that some of the earliest speech emerged as lyrics or chants, so it is both instructive and entertaining to consider previous theories along these lines. Otto Jespersen, writing in1922, phrased his theory of language genesis from song in terms that caused his critics to accuse him of presenting a “romantic dream of a golden age,” an accusation which he denied. Jespersen’s writings on song may have been the swansong of 19th Century cultural evolutionary theory with its faith in human progress. He argued that his theory was based on “a progressive movement from a very raw and barbarous age to something better” (1922:434, footnote 1). Where we might speak dryly of sexual selection, Jespersen was rhapsodic: In primitive speech I hear the laughing cries of exultation when lads and lasses vied with one another to attract the attention of the other sex, when everybody 14 3/3/16 sang his merriest and danced his bravest to lure a pair of eyes to throw admiring glances in his direction—Otto Jespersen (1922:434). He said that our remote ancestors “in singing as nature prompted them ... were paving the way for a language capable of rendering minute shades of thought” (1922:437). Half a century later, Livingston (1973:26) proposed that language evolved from a “learned, open signal system of territorial songs”. He reasoned that some further “specific impetus” would have been required for language development. Once acquired by a few groups, language would have acted as an isolating mechanism driving speciation. Livingstone’s definition of song was vague and seemed to be based primarily on variations in pitch, not the recitative song that Wescott (1973), in a critique of Livingstone’s article, defined as melodic speech. Wescott also wrote this remarkable passage: My own guess is that the australopithecines were whistlers as well as practitioners of such other nonvocal sound-making as hand-clapping, foot-stamping, and drumming on their chests or on external objects; that the pithecanthropians added humming, animal mimicry, and various forms of vocal play to this repertory; that the Neandertalers further engaged in ritual chanting to placate spirits and ensure success in hunting; and that early modern man capped these accomplishments with the musical use of grammatical speech....So I accept austrolopithecine song as melodic phonotation. But I doubt that hominid melodies became vocal till the time of Peking man, syllabic till that of Mousterian man, or verbal till that of CroMagnon man (Wescott 1973:27). Jespersen, Livingston and Wescott concerned themselves with the problem of whether pre-humans had song, and whether language originated in song. None of them saw the context in which songs were performed as part of the puzzle. The theory that we offer here does not argue that language evolved from the neurological patterns that support melody, because the evidence supports the independence of lyrics and melody (Besson, M. et al. 1998; Steinke, Cuddy & Jakobson 2001; Sylvie et al. 2003; Peretz et al. 2004). Rather, we suggest that mimetic performances in ceremonials provided occasions in which rhythms and emotions could provoke coordinated rhythmic and melodic vocalizations, such as chanting and song. If repeated vocalizations were differentiated and associated with particular mimetic images, proto speech was a result. Further development involved obstructions of the airflow by adding new articulations of the lips and tongue, by nasalizing, by expanding the range of vowels, by varying the intensity of vocalization and the length and pitch of vowels, and by coordinating all of these. Perhaps the rhythmic context of ceremonial favored the rhythms of syllable systems over long calls. Syllable systems enabled the development of morphology through grammaticalization. Jespersen and Bickerton were no doubt correct that good speakers and singers were preferred by the opposite sex. As Bickerton (1998: 352) put it, “females would surely have preferred mates whose communicative capacities so strikingly outclassed those of other available partners.” Of course, the same could be said for male preferences in mates. On this point, see the interesting review of the ethnography of performative speech in Locke and Bogin (2006). 15 3/3/16 8. Gradualists versus catastrophists Most scholars who study language origins profess to be either gradualist or catastrophist. Gradualists place the genesis of language very early, even as early as H. erectus. They see incremental change leading eventually to the fluency of H. sapiens. Quiatt (2001:PAGE) provides a good example of this view. Leaving mutational theories out of account, current views of the transition to modern language tend to assume a correspondingly early onset, with the implication that cultural innovations anticipating those commonly associated with the Upper Pleistocene in Europe---and like those, reflecting a society that has begun to use language in a new way---must be rooted in the Middle Stone Age. Some see very early origins. Aiello (1998:30-31) proposed that the conscious control of vocalization began with H. ergaster, and that “fully developed modern human language” originated with the expansion of brain size that began about 500K ya. Nichols proposed that H. erectus was “in all probability carrying primitive languages which continued to diversify and diverge for over a million years” (Nichols 1998:142). Burling (2002:308) observed “If syntax can grow gradually in children throughout all the years of childhood, it could surely have grown gradually over many hundreds of thousands or even millions of years of phylogeny.” Catastrophic evolution is probably more accurately, if less dramatically, described as discontinuous or punctuated (Armstrong, Stokoe and Wilcox 1995:254). Catastrophists place the main event sometime within the past 120K years. They argue that the beginnings of language must coincide with anatomical modernity or, after 100K ya, with the efflorescence of material symbolic culture seen in beads and red ocher, or after 60K ya, with figurines, cave paintings, and more sophisticated and varied tool industries. For example, Bickerton (1998:354) proposed that “a long period of stagnation was followed by a cognitive explosion occurring only after the emergence of anatomically modern humans in South Africa about 120,000 years BP”. Bickerton (1998) was apparently unaware of the physical changes that were taking place in heidelbergensis as early as 300K ya. As explained above, the skeletal evidence suggests that speech, or at least some new kind of finely controlled vocalization, emerged about that time. 9. Conclusions We propose that human speech originated with African H. heidelbergensis, who lived in the Middle Pleistocene between 800K ya and 130Kya. Evidence from fossil skeletons suggests that the vocal apparatus needed for speech was in place by about 300K ya. We propose that the cognitive capabilities of H. heidelbergensis were basically similar to those of H. sapiens in that heidelbergensis was a cultural being, capable of conceptual metaphor, conceptual metonymy, conceptual blending, and iconic sound symbolism. These conceptual figures provided the cognitive foundation for the salient scenarios and cultural models formed in daily activities. The scenarios and cultural models were the source of the images presented in mimetic performances, where they were linked with differentiating vocalizations to form the verbal symbols of proto speech. Ceremonials provided social contexts that supported the genesis, entrenchment and standardization of 16 3/3/16 symbols. Enhanced intersubjectivity---including joint attention frames, intention reading, shifting of spatial perspectives, and conceptual role substitutions---was essential to symbol genesis. The mimetic performances involved vocalization by both performers and audiences, who shared joint attentional frames and understood communicative intent. Vocalizations were mapped to mimetic imagery by something akin to fast mapping that we see in language development in children (Nelson 1996). Grammaticalization quickly produced proto morphology, and consequently, proto grammar. All participants would have benefited in practical ways from learning the enhanced models of their way of life that were presented in ceremonials. Heeschen (2001:188) proposed that narrative has adaptive value and that “language and aesthetic forms [i.e. narrative] probably coevolved”. Symbols generated in other activities, such as care of infants and juveniles, grooming, tool making, and hunting, could be shared and standardized in ceremonials. Neighboring bands may have participated in joint ceremonials where they shared their emerging proto language with kinsmen. Something about heidelbergensis culture released the selective pressure favoring the old call system, freeing the neural control of vocalization to develop longer phrasings, syllabic rhythms, and grammatical constructions, thereby solving Burling’s (1993) paradox in which speech could not be derived from the only vocal system available to archaic hominins, the call system. A reasonable time line places fine control of the vocal apparatus at about 300K ya. We can now imagine the specific mechanisms by which the genesis of language in the form of narratives and song cycles could have taken place in the ceremonials of heidelbergensis. Our hypothesis and the evidence for it support the more general theory of Sinha (2004) that it is the emergence of symbolization that is central to the problem of the origin of speech. Notes 1 This chapter is a revision of a paper presented to a plenary session of the conference on Language, Culture and Mind, Portsmouth, July 18-20, 2004. Elizabeth Harmon was then Visiting Lecturer in Anthropology and Ethnic Studies at the University of Nevada at Las Vegas while completing her Ph.D. at Arizona State University at Tempe with a specialization in the evolution of African hominins. Elizabeth passed away unexpectedly and tragically in March, 2009. We wish to express our indelible sense of loss and our gratitude for her generous participation in this project. Thanks are due to Luz Pfister, Steve McCafferty, and Jan Oller for helpful comments on the first draft. Special thanks to Roy Ogawa for his excellent suggestions and for making his web site available for the longer manuscript and slide presentation. 2 The term language here designates an integrated complex of speech and gesture. The term speech designates only the verbal or vocal part of language. It is often referred to as vocal language. Proto speech refers to hypothetical transitional forms between primate vocalizations and the speech of Homo sapiens. 3 We use the term juveniles rather than children, because it is likely that heidelbergensis had no stage that could properly be called childhood. This stage, which is probably unique to modern humans, lasts from weaning at about three years to the eruption of the first molar at about six years. During this short stage the brain grows to about 90% of its adult weight. For details, see Thompson and Nelson (2010). 17 3/3/16 4 A list of obvious objections to many of these theories appears in Johansson, Zlatev, and Gärdenfors (2006). 5 The term emergent is used throughout this paper in the sense defined by Sinha (n.d.) as “the development of new properties and/or levels of organization of behavioral and cognitive systems as a consequence of the operation or cooperation of simpler processes.” 6 100K ya = 100,000 years ago. 7 But see Rightmire (1998) for a discussion of unresolved issues. 8 For a description of the Bodo cranium, see Rightmire (1996). 9 The irony is borrowed from Burling (2002). 10 See also the useful discussion in Foley (1997: 63-66). 11 By syntax, we mean only the ordered presentation of phonological forms without regard to presence or absence of meaning. For meaningful constructions consisting of symbols, we use the term grammar (Langacker 1987). 12 Together with calls and language, Burling (1993) also posited a third human system of communication: the iconic system, which would underly such features as stress, rate of speaking, and reduplication in language and direction, repetition, velocity, and spatial configurations in gestures. 13 The six families and 10 languages (in parentheses) were Indo-European (English, German, French, and Spanish), Uralic (Estonian), Afro-Asiatic (Hebrew), Austronesian (New Zealand Maori), Quechuan (Quichua [sic]), Bantu (Swahili), and Japanese (Japanese). 14 In conceptual blending, elements of concepts from two different domains are “mapped” to a concept in a third domain. For example, conceptual blends from the domains of machines and animate beings produced the concepts of the cyborg, the computer Hal from the film 2001, and the robot dog Aibo from Sony. It is very likely that spirits who blended and shifted between human and animal forms were mimed in heidelbergensis ceremonies. 15 See Palmer (2007) for a discussion of types of cognitive maps used in orientation. 16 The term THEME also includes PATIENT (e.g. They melted), EXPERIENCER (e.g. I itch), MOVER (e.g. It rose), and ZERO (e.g. She is tall) (Langacker 2000:30). 17 Other phonological symbolic networks pertaining to Spanish verbs and Salish color terms are discussed in Bybee (1985) and Palmer (1996). 18 On the complex reflexivity of performance for an audience, see Palmer and Jankowiak (1996). Merlin’s basic definition is useful, but the exclusions for the purpose of isolating a pure mimesis are questionable. 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From proto-mimesis to language: Evidence from primatology and social neuroscience. Journal of Physiology-Paris 102 (1-3), 137-151. 24 3/3/16 Table 1. Dates of some African Homo heidelbergensis a Specimen Years Ago Bodo, Ethiopia 600K Kathu Pan, South Africa 600K Lake Ndutu, Tanzania 400K to 200K Elandsfontein, South Africa 350K to 130K Kabwe, Zambia 250K to 130K Singa, Sudan 100K a Campbell and Loy (2002: 264), rounded to nearest 5K after adding 2K to time BP 25 3/3/16 Table 2. Some representation forms in the mimetic mode a Form Intentional pointing (including gaze) Demonstration Reciprocal games Self-demonstration Play-acting Rehearsal Re-enactment Pantomime Gesture (solo, dyadic, or group) Ritualized group action a Abbreviated from Donald (1998:62). 26