PSYA01H3 Chapter Notes - Chapter 7: Iconic Memory, Echoic Memory, Sensory Memory
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7. 1 memory systems: memory collection of several systems that tore information in diff forms for differing amounts of time. Attkinson & shiffrin constructed the memory model (fig 7. 1) incl. Sensory memory: sensory memory (sm) memory store: accurately holds perceptual information for a very brief amount of time, length of time depends on which sensory system, holds iconic memory (visual form of sensory memory) for ~ 0. 5-1 sec. Psya01 | ch7: echoic memory, sm disappears fast (cid:0) need very precise measurements (auditory form) held for ~ 5 sec. Fig 7. 2 a test of iconic sensory memory: sperling argued = iconic memory could hold all 12 letters as a mental image: participants viewed grid of letters flashed for a brief sec. to recall as many as possible. Partial report condition (b): remember +4 items; could usually name any row they were cued to recite: sm functions to hold information long enough for us to determine what to pay attn. to.
