Working memory model (WMM) - PEC

CE Evaluation

P: Lack of clarity coz most important part but doesn't explain anything

E: It needs to be more clearly specified than just being 'attention'

C: WMM is incomplete because hasn't been fully explained

Counter argument for the limitation of CE/WMM

P: Brain scans show activity in particular areas when performing tasks

E: Braver (1997) had Ps do tasks involving CE and activity was seen in the prefrontal cortex

C: Evidence that CE has a physical reality in the brain

Who did brain scans while Ps did tasks involving the CE?

Braver (1997)

When did Braver do his brain scans involving Ps doing tasks involving the CE?

1997

What is a limitation of CE/WMM?

CE is unsatisfactory and doesn't really explain anything

Strength of VSS

P: Studies of dual-task performance support existence of VSS

E: Baddeley (1975) showed that Ps have more difficulty doing 2 visual tasks simultaneously than visual and verbal simultaneously

C: Must be a separate slave system for visual input

When did Baddeley do his experiment supporting VSS?

1975

How did Baddeley 1975 support VSS?

Experiment showed Ps have more difficulty doing 2 visual tasks simultaneously than visual and verbal simultaneously

Strength of WMM

P: Shallice + Warrington (1970) case study of KF who got brain damage from a motorcycle accident

E: KF had poor STM ability for verbal info but could process visual info normally suggesting only PL had been damaged

C: Supports separate existence of visual and acoustic store

Strength of WMM

Shallice + Warrington (1970) case study of KF

When did Shallice + Warrington study KF?

1970

Who's case study supports WMM?

Shallice + Warrington 1970

What happened to KF?

Poor STM ability for verbal info but could process visual info normally suggesting only PL damaged

Counter argument for KF

It's a case study so can't be generalised and is subjective