23/24 Nervous System Flashcards
a person’s external expression of his/her inner emotional state
affect
continued pupillary dilation instead of constriction in the eye with a pre-chiasmic optic pathway lesion (e.g. optic neuritis) in response to shining a light in the damaged eye after first shining it in the normal eye
afferent pupillary defect (marcus-gunn pupil)
a loss of ability to express oneself in writing due to central lesion or to muscular incoordination
agraphia
inability to sit down because the though of doing so causes severe anxiety. patient has a feeling of restlessness and an urgent need of movement and complains of a feeling of muscular quivering
akathisia (acathisia)
complete or partial loss of muscle movement
akinesia
refers to a behavior used to limit pain
antalgic
inability to express oneself properly through speech, or loss of verbal comprehension. it is considered to be complete or total when both sensory and motor areas are involved
aphasia
impaired ability to coordinate muscular movement usually associated with staggering gait and postural imbalance
ataxia
slow, twisting, writhing movements, with larger amplitude than chorea, commonly involving the hands
atheotosis
an acute paralysis or weakness of one side of the face that is temporary
bell palsy
a general name for a large group of persisting, nonprogressive motor disorders appearing in young children and resulting from brain damage caused by birth trauma or intrauterine pathology
cerebral palsy
dance-like, involuntary rapid movemenss. can be associated with huntington disease, rheumatic fever, systemic lupus erythematosus and other conditions
chorea
rapidly alternating involuntary contraction and relaxation of skeletal muscles
clonus
irrecoverable deteriorative mental state, the common end result of many entities. loss of memory and other intellectual functions that is of sufficient severity to interfere with daily functioning
dementia
double vision caused by defective function of the extraocular muscles or a disorder of the nerves that innervate the muscles
diplopia
defective articulation secondary to a motor deficit involving the lips, tongue, palate, or pharynx (inability to pronounce or articulate words)
dysarthria
inability to quickly substitute antagonistic motor impulses to produce antagonistic muscular movements. inability to perform rapid alternating movements (pronation/supination of hands) indicates cerebellar dysfunction
dysdiadochokinesia