LECTURE 15- HEMISPHERES

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Author:
ceu78
ID:
188018
Filename:
LECTURE 15- HEMISPHERES
Updated:
2012-12-09 20:35:30
Tags:
PSYCHOBIO
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Description:
psych
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  1. complementary specialization:
    each hemisphere's function, compliments the other
  2. left hemisphere
    • specialized in language
    • secondary auditory cortex and sensory-motor cortex both larger in the left hemisphere than right
  3. Broca’s Area
    A region of the brain concerned with the production of speech, located in the cortex of the dominant frontal lobe.
  4. Damage to Right Parietal Lobe (Case G.H.)
    Difficulties copying drawings, assembling puzzles, and navigating around familiar places
  5. Damage to the Left Parietal Lobe (Case M.M.)
    Difficulties with language, copying movements, reading, arithmetic, and generating names of objects or animals
  6. Dichotic Listening
    • procedure that plays different auditory input in each ear
    • Right-ear¬†advantage for verbal information
    • Left-ear advantage for musical information
  7. Visual System
    • Right-visual-field advantage for language-related information
    • Left-visual-field advantage for nonverbal, spatial information
  8. Why is the left hemisphere specialized for language?
    control of fine movements and fine movements are necessary for the production of language
  9. Why is the right hemisphere specialized for spatial abilities?
    control of actual movements in space and in mental imagery of such movements (elaboration of the functions of the dorsal stream).

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