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17 Cards in this Set
- Front
- Back
Concepts
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* Mental representation of a class of things
* Allow us to categorize and make inferences about those things. * |
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Category
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* A set of things that are included in the class
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Exemplar
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* a member of that category
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Attribute
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* A predicate or property that can describe an exemplar of a category that stems from a concept.
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HM Patient
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* Severe Epilepsy
* Bi lateral lobectomy |
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Anterograde Amnesia
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* cannot remember anything after the event
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Retrograde
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* Cannot remember anything before the event
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Hierarchical Model
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* Semantic memory is organized in hierarcical manner
* Clustering data * |
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Cognitive economy
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* Features are organized at their highest level of generality in order to avoid redundancy
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Amount of time
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* related to the amount of steps in the hierarchy that must be transversed
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Amnesics
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* normal intelligence
* Hippocampus, episodic memory, temporal lobes * Can remember facts, pictures and words. * |
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Alzhiemer's
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* progressive decay of brain regions
* semantic memory affected * Impairment of antegrade episodic memory |
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Alzheimer's after 8 years
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8 loose 1/3 of brain function
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Hippocampus
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Reduced by 47%
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Amygdala
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26% decrease in volume
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cell density decreased
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75% in volume
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Working memory capacity
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Increases with age. til 25.
largest increase 5 - 21 Childhood amnesia before 5 years. |