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Psychology Revision Notes
Short Term Memory and Long Term Memory

Capacity ­ 7 +/ 2
Millar ­ digit span experiment ­ ppt's had to recall a set of numbers immediately after
looking at them, each time the set of numbers added a number. (e.g. 3245, 98768, 275843)


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This memory store was first done by Richard Atkinson and Richard Shiffin in 1968.

Environment stimuli is something that we can concentrate on, visually, acoustically (Smell, picture,Sound)
Sensory memory is Eyes,nose,taste,touch
Attention is focusing on one sensory store
Maintenance rehearsal is repeating
Decay is forgetting
Replacement is a memory pushing…

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Clive Wearing ­ Had a viral infection which attacked the brain, he could no longer form new LTM's but
could remember parts of his LTM from before the viral infection. His STM is damaged.
He Cannot transfer memories from STM to LTM.

Evidence Against MSM :

The Stores are not…

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The Working Memory Model

This Working memory model was made by Baddeley and Hitch 1974.

The Central Executive is the problem solver and decision maker
The phonological loop has two components, the phonological store which holds speech or sound this is the
inner ear. And the articulatory loop which is…

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But the word length effect disappears if a person is given an articulatory suppression task (saying the the
the) whilst reading the words. This repetitive task ties up the articulatory process and means you cant
rehearse the shorter words more quickly then the longer ones. This is evidence of the…

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The WMM model comes for case studies of people who suffer from serious brain damage.
Amnesia means that the researcher cannot contrast between the before and after of the incident, so it is
unclear whether the changes in behaviour were caused by the damage. Also brain injurys are traumatic


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