the multi-store memory model Flashcards
who was the Multi store memory model created by
Atkinson and Shiffrin
what is linear processing of memory
information flows through system in one direction
what is passive stores processing of memory
-holds onto info before being passed on or lost
what are the three stores of memory
-sensory register
-short term memory
-long term memory
how is sensory register unlike the STM and LTM
-it is not under cognitive control
how is sensory information stored form all 5 senses
-automatically
how is information passed onto the STM from sensory register
by paying attention
what is coding of sensory register
very specific process
what is capacity of sensory reigster
very large
-as it has to contain all sense impressions for all 5 senses
-only what is paid attention to is passed on into the STM
who tested the sensory register theory
sperling
what was the experiment sperling conducted
-ppts saw a grid of letters for 50 milliseconds
-asked to write down all 12 items or a particular row
findings of sperlings experiment
those recalling grid= 5 items recalled so 42% recall
those recalling one row= 3 items recalled so 75% recall
how does STM pass into the LTM
through rehearsal
what are the two types of rehearsal
1) maintenance rehearsal (repeating the information)
2) elaborative rehearsal (linked to info already in the LTM)
how is info passed back from the LTM into the STM
through retrieval
how can info in the STM be lost
-displacement (new information)
-decay (lost with time)
what must occur so that we can use information from LTM
-it needs to be passed back to STM via retrieval
what was the case study of HM performed by scoville and miller
-scoville peformed surger on 27 y/o HM to cure epileptic seizures by removing hippocamus
-HM lost ability to make new memories
how does the case study of HM support MSM
-proves there is separate memory stores
-unable to form any long term memories after the surgery
-but good recall of events prior to surgery
-STM unaffected
