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working model memory - studies - Coggle Diagram
working model memory - studies
dual-task performance - Baddeley et al (197)
participants carried out a visual and verbal task at the same time
performance was similar to when they carried out the tasks separately
when both tasks were visual or both verbal, performance declined
this supports the idea of having separate verbal and visual stores
both tasks are competing for the use of the same subsystem
KF case study :racing_motorcycle:
phonological loop was damaged but visuo-spatial sketchpad was not
supports existence of separate visual and auditory stores
had poor stm for auditory information :ear: but visual information was normal :eye::eye:
Baddeley and Hitch (1974) - the og
phonological loop - auditory information, acoustic coding :musical_note: :ear:
phonological store (stores words you hear)
articulatory process (allows maintenance rehearsal with capacity of two seconds)
visuo-spatial sketchpad - stores visual +spatial information, capacity = 3-4 objects :eyes:
visual cache (stores visual data)
inner scribe (records arrangements of objects)
james may <3
central executive - supervisory role, monitors incoming data, allocates tasks, basically your chaperone :warning:
episodic buffer (added in 2000 by Baddeley) - temporary store for information, capacity of about 4 chunks
central executive limitation :-1:
the nature of the component is unclear, some psychologists believe it has multiple subcomponents as well
integrity of wmm is challenged because central executive is an unsatisfactory component
Baddeley (2003) stated that the central executive is the most important but least understood component
counterpoint :!!:
unclear whether KF had other cognitive impairments
trauma from the motorcycle accident can effect his performance
challenges evidence that brain injury affects the different systems