Ipsidirectional impairment of prism adaptation after unilateral lesion of anterior cerebellum.
case_report · Level V
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Abstract
In a patient with damage of the left cerebellar cortex (SCA territory), the authors tested four combinations of exposure to optical shift (leftward prisms, right hand; rightward prisms, right hand; leftward prisms, left (ataxic) hand; rightward prisms, left (ataxic) hand). He adapted to rightward but not leftward prisms, independent of which hand was used during exposure. This suggests a role of anterior cerebellar cortex in the computation or compensation of ipsidirectional visual error.
Medical subject headings
- Cerebellar Diseases
- Cerebellum
- Perceptual Disorders
- Stroke