Neuro Terms
Terms
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- Anisocorial
- inequal pupil size. Cause can be a lesion, ICPor injury to the mid-brain
- Agnosia
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Inability to determine meaning or significance of sensory stimulus
Cause = Cerebral cortex lesion - Apraxia
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Inability to perform learned movements/defect in motor planning.
Cause = Cerebral cortex lesion - Aphasia
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Loss of language comprehension, expression or both.
Cause = cerebral cortex lesion - Analgesia
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Loss of pain sensation.
Cause = Lesion in the thalamus, lack of or damage to sensory nerve endings, - Hyperesthesia
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Increase in sensation
cause = lesions in the spinal cord, thalamus, sensory cortex or peripheral sensory nerve - Hypoesthesia
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Decrease in sensation.
cause = lesions in the spinal cord, thalamus, sensory cortex or peripheral sensory nerve - Anosognosia
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Inability to recognize body defect or disease
Cause = lesion in the right parietal cortex/right brain stroke - Astereognosis
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Inability to recognize form of object by touch
Cause = Lesion in pariatal cortex - Ataxia
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Lack of coordination of movement
Cause = lesion in sensory or motor pathways or the cerebellum and anti-seizure/sedatives/hypnotic drug toxicities - Deplopia
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Double vision
cause = lesion of extra occular muscles, cellerbellar damage - Dysarthria
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Loss of mechanics of speech. Meaning and comprehension is maintained.
Cause = Anti-seizure drugs, sedatives/hypnotic drugs toxicity. Lesion in cerelbellum - Dyskinesia
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Impairment of voluntary movement. resulting in fragment or incomplete movement.
Cause: disorder of the basal ganglia. Reaction to psychotropic drugs. - Dysphagia
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Difficulty swallowing
Causes = lesion of cranial nerves IX and X. - Homonymous Hemianopsia
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Loss of vision in one side of the visual field.
cause = injury to optic track or occipital cortex - Hemiplegia
- Paralysis of one side. Cause = storke or other lesion
- Nystagmus
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Jerking or bobbing of the eyes as the track a moving object.
cause = lesions in the cerebellum, brain stem, vestibular system, anti-seizure/sedative/hypnotic toxicity - Ophthalmoplegia
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Paralysis of eyeball movement
Cause = lesion in brain stem or Cn III, IV, VI - Opisthotonus
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Extreme arching of the back with retraction of the head
Cause = meningitis, tonic phase of a grand mal seizure - Papilla edema
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Choke disc, swelling of the optic nerve head
Cause = IICP