Summary
Summary The working memory model
Detailed essay plan with key knowledge (AO1) and evaluation (AO3) to get an A*.
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Working memory modelBaddeley and Hitch (1974) proposed this as they felt the STM in the multistore model was too
simple.
VSS and EB are temporary storage devices.
A01 A03
STM is active processor store + evidence from case of KF as his PL was
The central executive damaged but VSS was still intact as his STM
This has a supervisory role, monitors incoming could no longer process auditory information.
data and allocates subsystems to tasks. The CE +treatment for dyslexia-focuses on underlying
has a limited capacity. working memory deficits to enhance reading
The phonological loop and writing skills. Dyslexia is associated with
This stores speech sounds and deals with phonological deficits.
auditory information and the coding is
acoustic. + Baddeley (1975) dual task performance
The acoustic store- stores words you hear supports separate existence of VSS. participants
The articulatory loop- used for words that are carried out a visual and verbal task at the same
heard or seen and allows for maintenance time and their performance in both was similar.
rehearsal. keeps words in a loop in the working But performance decline when they performed
memory while they are needed. capacity of two visual tasks at the same time.
the loop is 2 seconds. - Lack of clarity over the CE challenges
the integrity. as it is the most
Visuo- spatial sketchpad important yet least understood.
used when planning a spatial task such as Some think it could have separate
getting from one room to another. it has a components
limited capacity of 3 or 4 objects according to
Baddeley (2003). There are two parts to this
according to logie (1995)
The visual cache - stores information about
how things look in terms of form, shape
and colour
The inner scribe - deals with spatial
information
The episodic buffer
used to integrate information from the VSS
and PL. It ensures that all the information from
the other components link together. It
maintains a sense of time sequencing and is a
storage component of the CE.
It has a limited capacity of 4 chunks and links
the working memory to the LTM and wider
cognitive processes (e.g., perception). (Added
in 2000)
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