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Lesson 4.

Models of Memory.

The Multi-store Model.

Atkins & Shriffrin (1968).

Memory was comprised of 3 seperate stores; stort term memory, long term memory &
sensory memory store.
Each store has a specific & relatively inflexible function.
Information to recall is passed through the long term memory back unto…

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The middle words were often forgotten.

Areas of the Brain.

Short & long term memory stores are located in specific areas of the brain.
Scanning the brain (using MRI, more commonly used to detect brain tumours), can help
produce an image of active areas of the brain, seeing what region…

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He had impaired memory, with no short or long term memory. Specifically his episodic
memory was destroyed & he remembers little of his life before 1985.
He is regarded as living in the moment, by only having a procedural memory for things such
as playing the piano & memories of…

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Subsystems in short term memory.

Central Executive.

Supervises & coordinates the subsystems.
It decides which information is attended to & which parts of the working memory to send the
information to.
Central executive; Monitors & coordinates all other functions in working memory.

Visuo-spatial sketchpad.

Sometimes referred to as the "inner…

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Braddeley & Hitch conclude that short term memory must have more than one component &
must be involved in more than just storage.
Short term memory as a "workspace" where operations could be carried out on both old &
new memories.
Tasks can be carried out simultaneously in short term…

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The phonological loop has a role in the capacity of short term memory. The amount you can
hold in your short term memory is determined by the length of time it takes to say the words
NOT the number of items. It seems that the phonological loop holds the amount…

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Lesson 9.

Eyewitness Testimony.

Eyewitness Testimony; evidence to supplied by people who witness a specific event or crime,
relying only on their memory. Statements often including facial features, clothes, place, time ect.


Professionals see it as highly unreliable yet jurors find it highly persuasive.
Devlin report (19 76) advised…

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However prior experience & knowledge may affect the results accuracy.

Leading questions.

Loftus & Palmer (1974).

Wanted to see the effect of leading questions on eye witness testimony answers.
Interested in the accuracy of memory after witnessing a car accident.
Used a lab study on of an opportunity sample of…


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