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31 Cards in this Set

  • Front
  • Back
How many main parts of the wmm are there?
4 or 5. it can be argued either way
What are the main parts of the wmm?
central executive, phonological loop, visuo-spatial sketchpad and episodic buffer
what are the two parts to the phonological loop?
phonological store and articulartory loop
what are the two parts of the visuo-spatial sketch pad?
inner scribe and visual cache
when was the episodic buffer added?
2000
what is the purpose of the episodic buffer?
to bind together all the information from the other components
what is the central executive?
it controls attention and coordinates the actions of the other components
What is the most important part of the wmm?
central executive
ture of false, the central executive has unlimited capacity?
false
The articulatory control system is the inner....?
the inner voice
the phonological store is the inner....?
the inner ear
What is the phonological store?
It hold information for about 1.5-2 seconds. Written words must be converted to spoken words
what is the articulatory control system?
it rehearses information verdally and has a capacity of about 2 seconds.
What is the visuo-spatical sketch pad?
it deals with what the information looks like and how it is laid out.
what is the visual cache?
passive visual store
what is the inner scribe?
deals with spatial relations between objects
what is the working memory model?
a multi-component short-term memory system
what did Braddely and Hitch (1974) think of the msm?
thought it was too simplistic. they thought stm was several stores and not just one. so they came up with the wmm
how do you transfer information from stm to ltm?
elaborative rehearsal
what did hitch and braddly do + year?
1974.
found that participants performed more slowly when doing 2 tasks that occupied the central execvtive than doing 2 tasks where only one involved the central executive.
what does hitch and braddly's research show?
that doing 2 tasks that involve the same component cause difficulty as predicted by the wmm.
task 1 = central executive in phonological loop (eg true/false)
task 2 = articulatory processess (repeating "the the the" - that was easy) of central exective (repeating numbers - that was hard)
what did braddeley et al do + year?
1975.
found participants find it easier to remember short words than longer words but this disappears if participants are given an articulatory suppression task
what does braddeley et al research show?
demontrates that existence of the articulatory process because the supperssion task means you cant rehearse the shorter words anyymore quickyl than the longer ones.
What did shallice and warrington do + year?
1970.
studied KF and found that in the stm, hes better remembering with viual (visuo-spatial sketch pad) than acoustic recall (phonological loop)
what does shallice and warrington research show?
shows there are more than one component to the stm
3 weaknesses of the model!
wm only concerns itself with the stm.
the capacity of the central execvtive has never been measured.
it isn't clear how the central executive works or what is does
3 strenghts of the moel!
rehearsal is just 1 option within the articulatory loop instead of being the only means of tranferring information to the long-term dtore.
most psychologists preffer to ues the wmm.
it is a much more plausible model than the msm because it explains stm in term of both temporary storages and active processing.
evidence for the central executive!
bunge et al (2000)
they did a fmri (brain scan). for single and dual tasks where showed as the exact same area in the brain scan. but more activity for the dual task
evidence for the phonological loop and articulatory process!
braddely et al (1975a)
word length effect - recall was better for short words than long ways (can rehearse more than onger ways). however, when given a articulatory suppression task ("the the the") the difference dissapeared.
evidence for the visuo-spatial sketchpad!
braddeley et al (1975b)
light track task (trace a light), while at the same time as doing a visuo- spatial task (describing angles of the letter "F") or an articulatory task ("the the the"). doing the light track and articulatory task was the easiest.
evidence for the episodic buffer!
braddely et at (1987)
used unrelated and related words words. remembered more related words because ltm made sense of the information, which improved the recall.