sensory ataxia


ataxia

 [ah-tak´se-ah] failure of muscular coordination; irregularity of muscular action. adj., adj atac´tic, atax´ic.cerebellar ataxia ataxia due to disease of the cerebellum.Friedreich's ataxia see friedreich's ataxia.frontal ataxia disturbance of equilibrium associated with tumor of the frontal lobe.hereditary ataxia Friedreich's ataxia.hysterical ataxia ataxia recognizable as a conversion symptom; see also astasia-abasia.locomotor ataxia tabes dorsalis.sensory ataxia ataxia due to loss of proprioception (joint position sense), resulting in poorly judged movements and becoming aggravated when the eyes are closed.ataxia-telangiectasia a severe, autosomal recessive, progressive ataxia, associated with telangiectasias (dilation of small blood vessels) in the skin and eyes; immunodeficiency with frequent infections of the respiratory tract from sinuses to lungs; and abnormal eye movements. Called also Louis-Bar's syndrome.

sen·so·ry a·tax·i·a

an ataxia due to impairment of position sense caused by lesions located at some point along the central or peripheral sensory pathways.

sensory ataxia

Ataxia due to interference in conduction of sensory responses, esp. proprioceptive impulses from muscles. The condition becomes aggravated when the eyes are closed. See: Romberg sign; spinal ataxiaSee also: ataxia