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COTA exam terms
Terms
Term | Definition |
---|---|
Dysmetria | the undershooting (hypometria) or overshooting (hypermetria) of a target; lack of coordination |
Dyssynergia | a breakdown in movement resulting in joints being moved separately to reach a desired target as opposed to moving in a smooth trajectory; decomposition of movement |
Dysdiadochokinesia | impaired ability to perform rapid alternating movements |
Ataxia | loss of motor control including tremors, dyskiadochokinesia, dyssynergia, and visual nystagmus |
Akinesia | the inability to initiate movements |
Athetosis | a dyskinetic condition that includes inadequate timing, force, and accuracy of movements |
Dystonia | an involuntary sustained distorted movement or posture involving contractions of groups of muscles |
Hemiballismus | a unilateral chorea characterized by violent forceful movement of the proximal muscles |
Ideational apraxia | a breakdown in the knowledge of what is to be done or how to perform; a lack of knowledge regarding object use |
Motor apraxia/ ideomotor apraxia | loss of access to kinesthetic memory so that purposeful movement cannot be achieved because of ineffective motor planning although sensation, movement and coordination are intact |
Somatoagnosia | a body scheme disorder that results in diminished awareness of body structure, and a failure to recognize body parts as one's own |
anosognosia | the unawareness of motor deficit |
dysarthria | motor speech disorder |
nystagmus | involuntary eye movements |
ptosis | drooping of the upper eyelid |
dyskinensia | involuntary, nonrepetitive movements |
myoclonus | a brief and rapid contraction of muscle(s) |