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Working memory - Coggle Diagram
Working memory
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neuroimaging evidence
paulesu - dif regions of brain activated when doing tasks that employ phonological store and articulatory system
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Brocas area activated during subvocal reheaersal task
supramarginal gyrus activated when phonological store being used
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Phonological loop - limited storage - unless rehearsed using articulatory rehearsal system, shorter words recalled more successfully, longer words take up more capacity
necessary for language acquisition
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Central executive - controls slave systems, synthesises info from senses, major role in planning, no storage capacity, can process any modality
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episodic buffer - stores info for quick retrieval when slave systems being used - capacity of four items or chunks
experimental evidence - dual tasks experiments baddley and hitch - evidence for two tasks competing for same resources impaires performance
when two tasks using different system asked no impairment