Trace decay - theory of forgetting

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Traces
Need to be rehearsed to be remembered. If not they are lost and the memory is forgotten
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Rehearsal
Supported by the working memory model - phonological loop and the articulatory loop
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Mckenna
Students shown a list of words for 5 seconds and then music for 15 seconds. Without the 15 seconds of music, recall rose by 25% this shows that passage of time leads to forgetting and trace decay, Music stopped displacement and interference.
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Supporting evidence
Physiological evidence - physical trace in the brain
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Supporting evidence
People with alzheimers loose memories rather than not being able to remember them
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Conflicting evidence
Other factors could effect forgetting - Displacement or interference. Hard to test trace decay on its own
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Conflicting evidence
Hall - some memories such as flash bulb retain their trace
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Other cards in this set

Card 2

Front

Supported by the working memory model - phonological loop and the articulatory loop

Back

Rehearsal

Card 3

Front

Students shown a list of words for 5 seconds and then music for 15 seconds. Without the 15 seconds of music, recall rose by 25% this shows that passage of time leads to forgetting and trace decay, Music stopped displacement and interference.

Back

Preview of the back of card 3

Card 4

Front

Physiological evidence - physical trace in the brain

Back

Preview of the back of card 4

Card 5

Front

People with alzheimers loose memories rather than not being able to remember them

Back

Preview of the back of card 5
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