Radial arm mazes - Radial arm mazes These experiments were...

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Radial arm mazes These experiments were done to test to see if different parts of the brain deal with different types of memory. So remember double dissociations are when damage to one part of the brain and not another causes a specific behaviour deficit. In this case, it is a triple dissociation because three traits are involved but it is based on the same concept. So there are three types of memory. 1) declarative, which is where you store memory about facts and experiences, 2) procedural, where you store memories of motor behaviour and how to do things (e.g. how to ride a bike), 3) emotional, where you store emotions associated with particular events. In the experiment, the first radial arm maze had cheese always placed in the same arm. So after many trials, the mouse should remember which arm that is and always go there to obtain cheese. What psychologists found was that hippocampus lesions impair the mouse’s performance. The mouse is unable to remember which arm the cheese is in and
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This note was uploaded on 01/16/2012 for the course PSYCH 1X03 taught by Professor Jim during the Spring '09 term at McMaster University.

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