The programming and execution of movement sequences in parkinson's disease

George E. Stelmach, Charles J. Worringham, Edythe A. Strand

Research output: Contribution to journalArticlepeer-review

78 Scopus citations


Parkinsonian and neurologically normal subjects performed a finger-tapping task in which different sequence lengths had to be executed as rapidly as possible. For each response sequence, reaction time (RT), inter-tap-intervals (ITIs) and error patterns were recorded. It was found that the RT-sequence length relationship as well as the group ITI data were different for the two groups, indicative of impaired programming in the Parkinsonian subjects. This conclusion was supported by a relative dissociation of the first and subsequent taps and by a pattern of progressively increasing errors with longer tap sequences in the Parkinsonians.

Original languageEnglish (US)
Pages (from-to)55-65
Number of pages11
JournalInternational Journal of Neuroscience
Issue number1-2
StatePublished - 1987


  • Movement sequences
  • Parkinson's disease
  • Reaction time

ASJC Scopus subject areas

  • General Neuroscience


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