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Multi- store model
Components:
Sms
Lasts 2 seconds after stimuli enters, if information is attended
to it transfers to Stm, if unattended to then it is lost
immediately.
Stm
Duration of 30 seconds and capacity of 7+/- 2 items,
information is encoded acoustically, it is held in Stm by
maintenance rehearsal, information can be lost due to
displacement.
Ltm
Unlimited duration and capacity, information needs to be
retrieved back into Stm for use. Information can be lost due to
decay, interference and failure to retrieve.…read more

Slide 3

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Multi- store model
Positives
Supports the primary and recency effect when
participants remember a list.
Physiological evidence. The prefrontal cortex was active
in task. Hippocampus engaged when Ltm active.
HM case study
Hippocampus removed, unable to form new long term
memories but can remember old ones, suggests
hippocampus is gateway from Stm to Ltm.…read more

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Multi- store model
Negatives
flash bulb memory not taken into account.
KF case study
Showed that Stm and Ltm were separate however it is
more complex than just two components.…read more

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Working memory model
Components:
Central executive monitors and coordinates the
operations of slave systems, limited capacity, can
process info of any modality, can only attend to limited
amount of things at once.
Visio-spatial scratchpad (inner eye) limited capacity,
temporary memory system, holds visual and spatial
information.
Phonological loop (2 parts) phonological store (inner ear)
allows acoustically encoded items to be stored for limited
time. Articulatory control system (inner voice) allows sub
vocal repetition of items stored in phonological store.
Episodic buffer puts info into chunks, can integrate info
from Ltm to create new scenarios, limited capacity.…read more

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Working memory model
Positives
Role of rehearsal not overemphasized
Physiological evidence
PET scans showed different areas of the brain active.
Explains dual coding
Gathercole and Baddely
Participants doing tasks using both slave systems
simultaneously did better than participants using the
same slave system simultaneously.…read more

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