FNS 38 Higher Cognitive Functions

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Author:
zf2010
ID:
73162
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FNS 38 Higher Cognitive Functions
Updated:
2011-03-15 22:02:59
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USUHS Higher Cognitive Functions
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FNS 38 Higher Cognitive Functions
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  1. What are the 3 regions of the Association Cortex?
    • Parietal-temporal-occipital area
    • Orbitofrontal Area
    • Limbic Area
  2. What structures allow communication between the two hemispheres?
    • Corpus callosum
    • Anterior Commisure
  3. What structure is responsible for control of interhemispheric communication?
    Corpus callosum
  4. Describe the path of epileptic seizures
    • Start in one hemisphere
    • Cross the corpus callosum, at which point consciousness is lost
  5. What are the 6 major lateralized functions and their dominant hemispheres?
    • Handedness - left hemisphere dominant for language
    • Mathematics - left hemisphere
    • Music - right (chords/melodies), left (tempo, rhythm)
    • Spatial relationships - right hemisphere
    • Emotion - right hemisphere
    • Language - left hemisphere
  6. What are aphasias?
    • Defects in language
    • Often a result of a left hemisphere lesion
  7. What are the major regions involved in language/speech?
    • Planum temporale
    • Wernicke's Area
    • Broca's Area
    • Superior Longitudinal Fasciculus
  8. Wernicke's Area:

    1. Function?
    2. Lesion result?
    • 1. Speech comprehension
    • 2. Sensory aphasia aka Wernicke's Aphasia
  9. Broca's Area:

    1. Function?
    2. Lesion result?
    • 1. Speech production
    • 2. Motor Aphasia (dominant side), monotonic speech (non-dominant side)
  10. Superior Longitudinal Fasciculus:

    1. Function
    2. Lesion result?
    • 1. Interconnects Wernicke's and Broca's Areas
    • 2. Condunction Aphasia (cannot repeat phrases or words)
  11. What is Astereognosis and where is the associated lesion?
    • Inability to recognize an object by touching it
    • Parietal lobe lesion
  12. What is Contralateral Neglet and where is the associated lesion?
    • Unaware of the left (contralateral) space
    • Lesion in right parietal cortex
  13. What are the responsibilites of the Prefrontal Cortex?
    • Concentration
    • Abstract resoning
    • Capacity to understand delayed rewards
  14. What procedure is utilized for terminally ill patients in great pain?
    Prefrontal Lobotomies
  15. What are the signs of schizophrenia?
    • Delusions
    • Hallucinations
    • Disordered thinking/language

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