Outline 12 Learning, Memory, Amnesia

Outline 12 Learning, Memory, Amnesia - Outline 12:...

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Outline 12: Learning, Memory and Neural Plasticity- Part 1 I. Overview The study of the neurobiology of learning and memory is concerned with how the brain acquires retains and uses information The major questions: o What are the processes which underlie the formation of memories? o What processes determine the strength of learning and memory? o Where are the changes underlying learning and memory located? Basic assumption: Learning IS (causes/results from) Brain Changes The engram o The thing in the place in the brain which is the memory. ----------------------------- Where are the changes? ----------------------------- II. Humans with damage involving the hippocampus H.M. (1950's) o bilateral removal of medial temporal lobe including hippocampus to treat chronic severe drug resistant epilepsy. Thought this would sure epilepsy. It did…but side effects o This caused chronic enduring anterograde (forward moving) amnesia no new long term memories. Impairment in formation of new long term memories o It caused only relatively limited retrograde amnesia interference with (or loss of) previously formed memories o Not impaired: IQ (this actually went up a bit after surgery) Procedural learning (e.g., mirror tracing) “learning how” motor skills
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This note was uploaded on 05/05/2008 for the course PSY 43950 taught by Professor Jones during the Spring '08 term at University of Texas at Austin.

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Outline 12 Learning, Memory, Amnesia - Outline 12:...

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