Nature and Nurture Nature Baron-Cohen – autism lacking a theory of mind Dement and Kleitman – sleep patterns Sperry – organisation of brain Both Samuel and Bryant – Nature – Piaget’s stages of development Nurture – experience of being questioned by adults Savage-Rumbaugh – Nurture – taught language, but differences between species is Nature Freud – Nature – stages, Nurture – the way Little Hans is helped to overcome problems Thigpen and Cleckley – Nature – predisposition to MPD Nurture – life events trigger manifestation of MPD Griffiths – Nature – tendency to take risks, to be irrational, Nurture – adapting the gambling predisposition to the Fruit machine environment. Piliavin – nurture -reacting to emergency situation by applying learnt values. Nature – many want to help Nurture Maguire – hippocampus changes shape with navigational experience. Loftus and Palmer – Understanding of verbs Bandura – learn aggression Milgram – situation causes obedience. Reicher and Haslam – learn to respond to prison environment Rosenhan – learnt to expect people in asylum to be insane