UNIT 3 THE CONSCIOUS SELF A R E A O F STU DY 2 MEMORY DEFINING MEMORY The processing, storage and retrieval of information acquired through learning A neurological representation of some prior event or experience DEFINING MEMORY EN C O D ING, STO R AG E & R ET R IEVAL The process of converting information into a usable form so that it can be represented and stored in memory The retention of information in memory over time The process of locating and recovering the stored information from memory so that we are consciously aware of it HOMEWORK LEARNING ACTIVITY 6.1 (pg.237) LEARNING ACTIVITY 6.2 (pg.239) MODELS OF HUMAN MEMORY 1. ATKINSON & SHIFFRIN MULTI STORE MODEL 2. BADDELEY & HITCH MODEL OF WORKING MEMORY 3. CRAIK & LOCKHART LEVELS OF PROCESSING FRAMEWORK MODELS OF HUMAN MEMORY ATKIN SO N -SH IFFRIN’S MU LTI -STOR E MOD EL OF M EM O RY Consists of three separate components: SENSORY REGISTER SHORT-TERM STORE LONG-TERM STORE MODELS OF HUMAN MEMORY ATKIN SO N -SH IFFRIN’S MU LTI -STOR E MOD EL OF M EM O RY STRUCTURAL FEATURES OF MEMORY: Permanent built-in fixed features of memory that do not vary from one situation to another. The three stores are structural features as well as ‘storage capacity’ and ‘storage duration’ (eg. the parts of the computer and the information contained on the hard drive) CONTROL PROCESSES OF MEMORY: Are selected and used by each individual and may vary in different situations. They are under ‘conscious’ control of the individual (eg. the computer programmer who operates the computer) HOMEWORK LEARNING ACTIVITY 6.3 (pg.241) MULTI-STORE MODEL OF MEMORY SEN SO RY M EM O RY MULTI-STORE MODEL OF MEMORY SEN SO RY M EM O RY THE ENTRY POINT OF MEMORY WHERE NEW INCOMING SENSORY INFORMATION IS STORED FOR A VERY BRIEF PERIOD OF TIME Retained as an exact copy of its original ‘raw’ sensory form (rather than an encoded form) Temporary ‘buffer’ storage system Information we attend to moves to sensory memory Sensory impressions last just long enough for each impression to slightly overlap the last This makes our world continuous instead of many still snapshots of sensory information MULTI-STORE MODEL OF MEMORY SEN SO RY M EM O RY Many psychologists believe that there is a different sensory register for each of the senses: VISUAL SENSORY REGISTER (ICONIC MEMORY) AUDITORY SENSORY REGISTER (ECHOIC MEMORY) MULTI-STORE MODEL OF MEMORY SEN SO RY MEMO RY – IC O N IC & EC H O IC M EM O RY ICONIC MEMORY Sensory memory for incoming visual information – stored for 0.3 seconds ECHOIC MEMORY Sensory memory for incoming auditory information – stored for 3-4 seconds MULTI-STORE MODEL OF MEMORY SEN SORY MEMORY R ESEAR C H D EM O N ST R AT ING IC O N IC M EM O RY GEORGE SPERLING (1960) MULTI-STORE MODEL OF MEMORY SEN SORY MEMORY R ESEAR C H D EM O N ST R AT ING IC O N IC M EM O RY GEORGE SPERLING (1960) CONDITION RESULTS 1 • Letters flashed up for 1/20 second • Participant is required to name as many letters as they can • Most could recall only four or five letters in the set 2 • Letters flashed up for 1/20 second • High/Medium/Low tone sounded • Participant required to name the letters on the corresponding high/medium/low line • Participants could recall the correct line with 75% accuracy MULTI-STORE MODEL OF MEMORY SEN SORY MEMORY R ESEAR C H D EM O N ST R AT ING EC H O IC M EM O RY COWEN et al. (2000) • Participants are asked to focus their attention on reading a story and to ignore any spoken words • During their reading a signal is sounded and participants are required to repeat the numbers they have just heard • Results show that participants can accurately repeat the last few numbers they have heard if the signal is presented immediately after the last spoken word • Recall diminishes when the delay between the last spoken word and the signal increases up to about 10 seconds HOMEWORK LEARNING ACTIVITY 6.5 (pg.249)