H.M. Bilateral hippocampectomy Anterograde vs retrograde amnesia.

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Presentation transcript:

H.M. Bilateral hippocampectomy Anterograde vs retrograde amnesia

Types of memory Working MemoryWorld L-T Memory Iconic Memory Explicit memory (declarative, conscious) Implicit memory (nondeclarative, unconscious) Episodic memory (specific events) Generic or Semantic memory (facts, general knowledge) Procedural memory (motor skills, habits, tacit, rules) CC effects (e.g. conditioned emotional reactions) Priming (perceptual & conceptual priming)

Neuropsychology of Memory H.M. - explicit LTM (anterograde amnesia) vs. retro~ - Temporal Lobe Amnesia (Milner, 1954) Korsakoff’s syndrome Monkeys (Mishkin, 1982): nonmatching-to-sample test (new S rewarded) Trial Set 1 Trial Set 2 etc. (-) (+) Thompson (1984): Classical Conditioning trace - cerebellum CER - amygdala Tulving (1985): Episodic - phylogenetically new - consciousness (sense of self, personal history)