wmm working memory model Flashcards
links wmm
central executive
phonological store, articulatory process (link to ltm) l
visuo spatial
sketchpad (vss). episodic
l buffer
LTM
what is the central executive
-monitor data received from visuo spatial sketchpad and phonological loop
what is the phonological loop
to store what you hear
to rehearse words you are currently processing and keeping them in the working memory until they are needed
visuo spatial sketchpad
to store visual data
to manipulate/ arrange images in the visual field
eposodic buffer
to bring together and temporarily store information processed by the other subsystems
to link ltm and wider cognitive processes
strength of wmm
p - support from case study patient fk
e- afte rhis rbain injury, kf had poor stm ability for auditory information but could process visual formation normally
e- e.g his immediate recall of digits and letters was better when he read them (visual) than when they were read to him ( acoustic)
l- therefore it could be argued that kfs phonological lopp was damaged by his visuo spatial sketchpad was intact, findings strongly support the existance of seperate visual and acoustic memory stores
strength of wmm
p- studies of dul task performace support the seperate exisence of the visuo spatial sketchpad
e- when badddeley et al 1975 pps carrid out a visual and verbal task at the same time , their performance on each was similar to when they carried out the task seperately, but when both tasks were visual, performance on both declined
e- because both visual taks compete for the same subststem whereas there is no competition when performing a verbal and visual task together
l- this supports that there must be a seperate subsystem that processes visual input and one for verbal processing
limitation of wmm
p - lack of clarity over the nautre of the central executive
e- baddeley 2003 himself recognised this when he said the central executvie is the most important but least understood component of working memory, the ce needs to be more clearly specificed than just being simply attention
e - for example some psychologists believe that the ce may consist of seperate subcomponents
l- means that the ce is an unsatisfactory component and this challenges the integrity of the wmm