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Clinical Trial
. 1998 Winter;11(4):181-5.
doi: 10.1177/089198879901100403.

Verbal fluency task affects gait in Parkinson's disease with motor freezing

R Camicioli  1 , B S Oken, G Sexton, J A Kaye, J G Nutt
Affiliations
Clinical Trial

Verbal fluency task affects gait in Parkinson's disease with motor freezing

R Camicioli et al. J Geriatr Psychiatry Neurol. 1998 Winter.

Abstract

We examined the effects of a simultaneous verbal fluency task on walking in Parkinson's disease (PD) patients with freezing of gait (PD-F) compared to nonfreezing patients (PD-NF) or control subjects (C). Effects of antiparkinsonian medications on gait in PD-F were examined. PD-F patients exhibited a greater increase in the number of steps to complete the walk with verbal fluency, even when the effect of medication was taken into account (mean increase +/- SD): PD-F = 4.2 +/- 4.6, n = 10; PD-NF = 0.1 +/- 1.6, n = 9; C = 1.5 +/- 1.5, n = 19; P = .007. Medications improved walking in PD-F patients by decreasing the number of steps, the time to walk, and freezing. PD-F patients may be more dependent on attention for walking.

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