Abstract:
:In 47 patients with Parkinson's disease, we studied the visual evoked potential (VEP) using the pattern-reversal checkerboard (CBVEP) and the grating (GVEP) stimuli before and after 3 months of L-dopa therapy. The P100 latency in both CBVEP and GVEP was prolonged before L-dopa therapy, usually commensurate with the degree of motor disability. Clinical improvement of the parkinsonian state after L-dopa therapy was associated with shortening of the P100 latency in CBVEP, but not significantly in GVEP.
journal_name
Neurologyjournal_title
Neurologyauthors
Bhaskar PA,Vanchilingam S,Bhaskar EA,Devaprabhu A,Ganesan RAdoi
10.1212/wnl.36.8.1119subject
Has Abstractpub_date
1986-08-01 00:00:00pages
1119-21issue
8eissn
0028-3878issn
1526-632Xjournal_volume
36pub_type
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