Abstract:
:We investigated whether short-term saccadic adaptation modifies hand pointing. Subjects were presented with double-step targets, the second target jump occurring during the saccade to the first one and bringing the target back to 66% of the first target eccentricity, in order to reduce the gain of their gaze saccades. Before and after this adaptation phase, they pointed with their hand to single step targets while keeping their gaze straight ahead. The results show that the hand movements terminated at positions that were significantly less eccentric following the adaptation phase, resembling the adaptive modification seen in the gaze movements. These results suggest that the motor systems controlling gaze and hand use common information about target position.
journal_name
Neuroreportjournal_title
Neuroreportauthors
de Graaf JB,Pélisson D,Prablanc C,Goffart Ldoi
10.1097/00001756-199509000-00007subject
Has Abstractpub_date
1995-09-11 00:00:00pages
1733-6issue
13eissn
0959-4965issn
1473-558Xjournal_volume
6pub_type
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