Multi Store model of memory Flashcards
who made the multi store model
Atkinson and Shriffin
The three stores of THE MSM
Sensory register
Short-term memory
Long term memory
what is the sensory register
where all our sensory info is passed to and stored the
the sensory info is our five senses
what is coding
how memory is stored
the two types of coding in the sensory register
Iconic memory
echoic memory
what is capacity
how much data can be held in memory store
SR capacity
very high capacity
what is duration
how long a memory is held
what is attention
a link between SR and STM
if attention is paid it then goes into your STM
What is STM
memory used for present and immediate tasks
coding of STM
acoustic
capacity of STM
limited miller suggets 5-9 items
duration of STM
around 18 seconds unless rehearsed
what can rehearsal of memory lead to
memory passing over form STM to LTM
two types of rehearsal
Maintenance and elaborative
mainetenance rehearsal
is surface lvl repetition
elaborative rehearsal
deeper processing
what is LTM
permanent memory store of past events
how to recall info passed into LTM
through retrieval
coding LTM
semantically based on meaning
capacity LTM
potentially unlimited
duration LTM
lifetime
but can forget through displacement from STM or LTM decay
MSM AO3: controlled lab studies on capacity coding duration having separate memory stores
controlled lab studies on capacity coding and duration having separate memory stores
Baddeley (1966):
Tested recall in four groups with different word lists.
Found acoustic similarity caused confusion in STM.
Found semantic similarity caused confusion in LTM.
suggests LTM and STM have different coding processes
MSM AO3: HM case study
HM underwent brain surgery to treat epilepsy, resulting in the removal of his hippocampus.
After surgery:
He could recall LTM from before the operation.
He was unable to form new memories, indicating that STM could not transfer to LTM.
This suggests that the brain uses separate regions or structures for STM and LTM