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agnosia
loss of ability to recognize importance of sensory impressions
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agraphia
loss of ability to express thoughts in writing
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analgesia
loss of pain sensation
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aphasia
loss of power of expression by speech, writing, or signs or of comprehension of spoken or written language
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apraxia
loss of ability to perform purposeful movements in the absence of sensory or motor damage, e.g.: inability to use objects correctly
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ataxia
inability to perform coordinated movements
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athetosis
bizarre, slow,twisting, writhing movements resembling a snake or worm
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chorea
sudden rapid, jerky, purposeless movement involving limbs, trunk, or face
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clonus
rapidly alternating involuntary contraction and relaxation of a muscle in response to sudden stretch
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coma
state of profound unconsciousness from which person cannot be aroused
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decerebrate rigidity
arms stuffly extended, adducted, internally rotated' legs stiffly extended, plantar flexed
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decorticate rigidity
arms adducted and flexed, wrists and fingers flexed' legs extended, internally rotated, plantar flexed
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dysarthria
imperfect articulation of speech due to problems of muscular control resulting from central or peripheral nervous system damage
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dysphasia
impairmebt in speech consisting in lack of coordination and inability to arrange words in their proper order
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extinction
disappearance of conditioned response
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fasciculation
rapid continuous twitching of resting muscle without movement fo limb
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flaccidity
loss of muscle tone, limp
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graphesthesia
ability to "read" a number by having it traced on the skin
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hemiplegia
loss of motot power (paralysis) on one ide of the body, usually caused by a cerebrovascular accident' paralysis occurs on the side opposite of lesion
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lower motor neuron
motor neuron in the peripheral nervous system with its nerve fiber extending out to the muscle and only its cell body in the central nervous system
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myoclonus
rapid sudden jerk of muscle
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nuchal rigidity
sitffnes in cervial neck
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nystagmus
back and forth oscillation of the eyes
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opisthotonos
prolonged arching of back, with head and heals bent backward and meningeal irritation
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paralysis
decreased or loss of motor function due to problem with motor nerve or muscle fibers
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paraplegia
impairment or loss of motor function due to problem with motor/sensory function in the lower hapf of the body
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paresthesia
abnormal sensation; tingling, burning, numbness, prickling, crawling
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point localization
ability of the person to discriminate exactly where onthe body the skin has been touched
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proprioception
sensory information concerning body movements and position of the body in space
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spasticity
continous resistance to strectching by a muscle due to abnormally increased tension, with increased deep tendon reflexes
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stereognosis
ability to recognize objects by feeling their forms, sizes and weights while the eyes are closed
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tic
repetitive twitching of a muscle group at inappropriate times; a wink, grimace
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tremor
involuntary contraction of opposing muscle groups resulting in ryhthmic movemenbt of one or more joints
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two-point discrimination
ability to distinguish the separation of two simultaneous pinpricks on the skin
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upper motor neuron
nerve located entrirely whithin the central nervous system
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