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capacity of working memory
can hold onto 7 +/- 2 things including chunks, but only can
last for about 30 seconds
limit on storage capacity is viewed instead of limit on
processing capacity; we’re rarely in the position
where we can’t hold that much stuff, it’s a matter of
how much attention all of our thoughts demand
forgetting in stm
happens when information leaves or is bumped out of
working memory; this can happen because it fades away
or exceeds the capacity of it
displacement and/or decay, something is bumped out
or displaced - proactive and retroactive interferences
forgetting in ltm
generally not because things fell out of memory, but
because you can’t get to it anymore
misplacement and/or retrieval failure; retrieval cues
show that things are in there all along, just misplaced
at times- the problem was that you couldn’t get to it
psychological code in stm
phonological, based on speech sounds, confuse the word
"boat" with "coat"
psychological code in ltm
, semantic, based on meaning, confuse the word "boat" with
"ship"
neural code in stm
dynamic, pattern of activity among a group of cells
[actually firing moment to moment]
neural code in ltm
structural, pattern of connections within a group of cells
[the neurons are already connected and the question
prompts them to find the answer, existing connections
aren’t always active]
a certain pathway is easier to access than others, first
vs. 20th president
trace consolidation
what goes on during elaborative rehearsal; a memory
trace changes from a dynamic to a structural pattern
the physical thing happening in neurons while
elaborative rehearsal is going on
amnesia
a neurological interruption of the trace consolidation
process in memory
retrograde amnesia
what happens when you lose your short-term memory
events before trauma, acts backwards
anterograde amnesia
what happens when you have difficulty remembering
things that happened after trauma
having difficulty transferring information from short-
term to long-term memory
patient hm
3rd most famous psychological case; had a surgery that
attempted to remove problems with his epilepsy, they