Blink reflex in Parkinson's disease with levodopa-induced dyskinesia.
Funct Neurol
; 4(3): 257-61, 1989.
Article
en En
| MEDLINE
| ID: mdl-2792861
ABSTRACT
We have studied the electrically evoked blink reflex (R1 and R2 components) in 40 parkinsonian patients with levodopa-induced dyskinesia (15 with facial dyskinesia, 13 with limb-truncal dyskinesia and 12 with mixed dyskinesia). R2 latencies (both ipsilateral and contralateral) were significantly prolonged in dyskinetic patients. These findings are indicative of decreased excitability of brainstem interneurones in the dyskinetic parkinsonians. We found no correlation between the neurophysiological pattern of blink reflex and the localization of dyskinesia.
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Banco de datos:
MEDLINE
Asunto principal:
Enfermedad de Parkinson
/
Parpadeo
/
Levodopa
/
Discinesia Inducida por Medicamentos
Límite:
Aged
/
Female
/
Humans
/
Male
/
Middle aged
Idioma:
En
Año:
1989
Tipo del documento:
Article