Related Experiment Videos
Right side neglect in right cerebellar lesion
M C Silveri1, S Misciagna, G Terrezza
1Neuropsychology Service, Institute of Neurology, Catholic University, Largo A Gemelli 8, 00168 Rome, Italy. silveri@rm.unicatt.it
Journal of Neurology, Neurosurgery, and Psychiatry
|June 20, 2001
Summary
A right cerebellar lesion caused right-sided hemineglect, a spatial disorder. This resulted from disrupted motor organization due to left frontal diaschisis, impacting a cerebellum-frontal lobe network.
Area of Science:
- Neuroscience
- Neurology
- Cerebellar studies
Background:
- Cerebellar lesions are known to cause various neurological deficits.
- Hemineglect is a complex spatial disorder often associated with parietal or frontal lobe damage.
Observation:
- A patient presented with right-sided hemineglect following a lesion in the right cerebellum.
- This specific presentation challenges typical lesion-deficit correlations.
Findings:
- The right hemineglect was interpreted as a secondary effect of impaired motor organization in the right hemispace.
- This deficit was attributed to left frontal diaschisis, a functional impairment in the left frontal lobe.
Implications:
- Suggests a highly integrated neural system involving the lateral cerebellum and contralateral frontal lobe.
- Highlights the cerebellum's role in spatial awareness and motor control beyond motor execution.
- Provides insights into diaschisis as a mechanism for remote functional deficits.