WMM (the working memory model) - Baddeley and Hitch (1974)

Question 1

what is the central executive

Answer 1

key component
directs attention to specific tasks
determines how resources are allocated
limited capacity

Question 2

what is the phonological loop

Answer 2

deals with auditory information
preserves word order
limited capacity

Question 3

visio-spacial pad

Answer 3

visual and spacial information stored
limited capacity

Question 4

what is the episodic buffer

Answer 4

general store
no storage capacity
integrates information from other areas

Question 5

Shallice and Warrington (1970)

Answer 5

after brain damage, poor STM for verbal but not visual
suggests damaged phonological loop
supports seperate visual and acoustic stores

may not be reliable, unique cases, traumatic experiences

Question 6

why is there lack of clarity over the cenral executive

Answer 6

WMM not fully explained
should be more clearly specified than just attention
Baddeley (2003)
most important but least understood component of the WMM

Question 7

clinical evidence to support the phonological loop

Answer 7

Trojano and Grossi (1995)
brain damage patient
generally good learning abilities but unable to learn word pairs presented out loud
suggests damage to phonological loop