Preparatory processes in Parkinsonian patients studied with multiple delayed reaction verbochronometry

C. Pasetti, D. Gaspari, G. Spinatonda, R. Colombo, P. Pinelli

Research output: Contribution to journalArticlepeer-review

Abstract

We studied verbal reactions to visual stimuli in ten subjects with idiopathic Parkinson's Disease (PD) of Hoehn-Yahr stages 1 through 2, untreated, and ten age-matched controls, by means of acousticogram (ACG), surface oromandibular EMG, electrolaryngogram (EGG), and lip and jaw movement recording. Mean reaction times were measured with a device that presented words, acquired the signals and calculated response times and durations. A slight slowing in Verbal Reaction Times (VRTs) was found in the PD group with respect to controls. In two patients we observed two bursts of EMG activity during the responses:an early contraction, and a later burst coinciding approximately with the ACG.

Original languageEnglish
Pages (from-to)133
Number of pages1
JournalItalian Journal of Neurological Sciences
Volume18
Issue number4
Publication statusPublished - 1997

ASJC Scopus subject areas

  • Neuroscience(all)
  • Clinical Neurology

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