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the working memory model
- the working memory model WMM
- what is it
- how stm is organised and functions
- part of the mind that is active
when temporarily storing and
manipulating info
- how stm is organised and functions
- what's it made up of
- central executive
- an attentional process that monitors incoming data
- makes decisions and allocates slave systems to tasks
- limited processing capacity
- an attentional process that monitors incoming data
- slave systems
- phonological loop
- auditory info
- preserves order in
which info arrives
- divided into
- phonological store
- stores words you hear
- stores words you hear
- articulatory process
- allows maintenance rehearsal
- keeps looping words
- capacity 2 seconds
- keeps looping words
- allows maintenance rehearsal
- phonological store
- auditory info
- visuo - spatial sketchpad
- stores visual and spatial info
- how many windows in your house?
- divided into
- visual cache -
stores visual data
- inner scribe - records the arrangement of objects
- visual cache -
stores visual data
- divided into
- how many windows in your house?
- stores visual and spatial info
- episodic buffer
- temporary store for info
- integrating visual,
spatial & verbal info
- maintaining time sequencing
- links ltm to wider cognitive processes
- integrating visual,
spatial & verbal info
- temporary store for info
- phonological loop
- central executive
- what is it
- evaluation
- clinical evidence
- Shallice & Warrington
- amnesia patient
- poor ability for verbal but good with visual
- phonological loop damaged but other areas in tact
- supports separate areas for visual and acoustic
- but these patients often had trauma - not reliable
- but these patients often had trauma - not reliable
- supports separate areas for visual and acoustic
- phonological loop damaged but other areas in tact
- poor ability for verbal but good with visual
- amnesia patient
- Shallice & Warrington
- dual task performance
- support separate existence of visuo spatial sketchpad
- Baddeley
- can't do 2 visual tasks at once
- but can do a visual and verbal
- therefore separate slave systems
- therefore separate slave systems
- but can do a visual and verbal
- can't do 2 visual tasks at once
- Baddeley
- support separate existence of visuo spatial sketchpad
- lack of clarity over the central executive
- don't fully understand the central executive
- may be more than one part
- can't fully support/ explain the WMM
- can't fully support/ explain the WMM
- may be more than one part
- don't fully understand the central executive
- clinical evidence
- evaluation +
- studies of the word length effect support the phonological loop
- Baddeley
- more difficult to remember a list of long words than short
- because there is a finite space for rehearsal in articulatory process
- because there is a finite space for rehearsal in articulatory process
- more difficult to remember a list of long words than short
- Baddeley
- brain scans support WMM
- Braver
- gave tasks that involved the central executive while having a scan
- greater activity in the prefrontal cortex
- activity increased as the task became harder
- so as demands for ce increase the brain has to work harder
- so as demands for ce increase the brain has to work harder
- activity increased as the task became harder
- greater activity in the prefrontal cortex
- gave tasks that involved the central executive while having a scan
- Braver
- studies of the word length effect support the phonological loop
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