Movement disorders and brain lesions.txt

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Author:
rere_girl4ever
ID:
291562
Filename:
Movement disorders and brain lesions.txt
Updated:
2014-12-14 15:05:25
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Movement disorders brain lesions
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Movement disorders and brain lesions.txt
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Movement disorders and brain lesions.txt
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  1. What are Lewy bodies composed of?
    Composed of a-synuclein— intracellular eosinophilic inclusion
  2. Composed of a-synuclein— intracellular eosinophilic inclusion
    Lewy bodies
  3. Chromosome number associated with Huntington disease?
    Chromosome 4
  4. Which neurotransmitters are affected in Huntington disease?
    Decreased levels of GABA and ACh in the brain.
  5. Intention tremor Slow, zigzag motion when pointing/extending toward a target is due to which disease?
    Cerebellar dysfunction
  6. How do neurons die in Huntington disease?
    Neuronal death via NMDA-R (N-methyl-D aspartate - R) binding and glutamate toxicity.
  7. What part of the brain undergoes atrophy in Huntington Disease?
    Atrophy of caudate nuclei
  8. A lesion to the Right parietal-temporal cortex results in?
    Spatial neglect syndrome (agnosia of the contralateral side of the world)
  9. A lesion to the Left parietal-temporal cortex results in?
    • Agraphia, acalculia, finger agnosia, and left-right disorientation
    • Gerstmann syndrome.
  10. A lesion to the Reticular activating system (midbrain) results in?
    Reduced levels of arousal and wakefulness (e.g., coma)
  11. A lesion to the Basal ganglia results in?
    • Tremor at rest, chorea, or athetosis.
    • Parkinson disease.
  12. Damage to the cerebellum results in?
    Ipsilateral deficits; fall toward side of lesion
  13. Damage to the Cerebellar vermis results in?
    Truncal ataxia, dysarthria (difficulty saying words because of muscle problems)
  14. A lesion to the Subthalamic nucleus results in?
    Contralateral hemiballismus
  15. A lesion to the Hippocampus (bilateral) results in?
    Anterograde amnesia— inability to make new memories
  16. What happens in a lesion to the Paramedian pontine reticular formation?
    Eyes look away from side of lesion
  17. What happens in a lesion to the Frontal eye fields?
    Eyes look toward lesion

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