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Edward J. Hammond, PhD; B. J. Wilder, MD

Arch Neurol. 1983;40(6):366-369.

Abstract
• Pattern-reveral visual evoked potentials, far-field and cortical somatosensory evoked potentials, and auditory brainstem potentials were recorded in two patients with olivopontocerebellar atrophy. In one patient, visual evoked potentials exhibited prolonged latency and interocular latency differences in the absence of clinical visual dysfunction. Median and tibial nerve evoked cortical potentials were severely attenuated in the absence of somatosensory deficit or peripheral nerve slowing. The far-field somatosensory potentials, however, were well preserved. All components of the auditory brain-stem potentials had latencies within normal limits. In the other, more severely afflicted, patient, all visual, somatosensory, and auditory evoked potentials were abnormal.

Author Affiliations
From the Neurology and Medical Research Services, Veterans Administration Medical Center, and Department of Neurology, University of Florida, Gainesville.

Footnotes
Accepted for publication Oct 12, 1982.

Reprint requests to Neurology Service (127), Veterans Administration Medical Center, Gainesville, FL 32602 (Dr Hammond).

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