Spatial discrimination is abnormal in focal hand dystonia

• Published in: Neurology Vol. 55; no. 12; p. 1869
• Main Authors: Bara-Jimenez, W, Shelton, P, Hallett, M
• Format: Journal Article
• Language: English
• Published: United States 26.12.2000
• Subjects: Adult; Dystonia - physiopathology; Female; Hand - physiopathology; Humans; Male; Middle Aged; Somatosensory Cortex - physiopathology; Space Perception - physiology; Task Performance and Analysis

In patients with focal hand dystonia, abnormal digit representations in the primary somatosensory cortex (S1) could be the result of enlarged and overlapping receptor fields, as suggested by an animal model of dystonia. A possible clinical correlate of this S1 abnormality is a disturbed spatial disc...