PSY 241 Lecture 14

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  1. Learning
    Process of acquiring new information
  2. Memory
    • Ability to store and retrieve info
    • The specific information stored in the brain
  3. Anterograde amnesia
    • Loss of ability to form new memories after brain damage
    • "after"
  4. Retrograde amnesia
    • Loss of memory events prior to the occurrence of the brain damage
    • "recent"
  5. H.M.
    • Amygdala, hippocampus and some cortex removed
    • Severe anterograde amnesia
    • Mild retrograde amnesia
    • Intact short-term memory
    • Impairment in declaritive memories
    • Demonstrate intact nondeclaractive (procedural) memories
  6. Global amnesia
    amnesia for info presented in all sensory modalities
  7. Declaritive memories
    Memories that we deliberately recall and are aware of
  8. Nondeclarative (procedural) memories
    Memories that may not be accesible to conscious awareness
  9. _______________ is important for declarative memories.
    Hippocampus is important for declarative memories.
  10. N.A.
    • Amnesia due to accidental damage to dorsomedial thalamus and mammillary bodies
    • Short-term memory, cannot form declarative long-term memories
  11. Korsakoff's Syndrome
    • Memory deficiency caused by lack of thiamine
    • Brain damage occurs in mammillary bodies and dorsomedial thalamus, but not hippocampus
    • Patients often fail to recognize or sense any familiarity with some items, even when presented repeated
    • Patients often confabulate-fill in a gap in memory with falsification
  12. A brain circuit that includes _________________________________________________________________________ is needed to form new declarative memories (but not cite of ______________)
    A brain circuit that includes the hippocampus, the mammillary bodies, and the dorsomedial thalamus is needed to form new declarative memories (but not cite of storage)
  13. Patient K.C.
    • Cannot retrieve memory due to accidental damage to left frontoparietal and right parieto-occipital cortex
    • Shrinkage of hippocampus and nearby cortex
    • Hippocampal damage = antergograde amnesia but not loss of autobiographical memory
  14. Semantic memory
    generalized declarative memory (meaning of word)
  15. Episodic memory
    detailed autobiographical memory (incident)
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PSY 241 Lecture 14
2013-04-13 22:32:03
Learning memory arturo zavala psychobiology

Learning and memory 1 arturo zavala psychobiology
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