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Patients with Parkinson's disease can successfully remember to execute delayed intentions

Published online by Cambridge University Press:  14 August 2007

MAREIKE ALTGASSEN ,
JACQUELINE ZÖLLIG ,
UTE KOPP ,
RACHAEL MACKINLAY  and
MATTHIAS KLIEGEL
MAREIKE ALTGASSEN
Affiliation:
Department of Psychology, University of Zurich, Zurich, Switzerland
JACQUELINE ZÖLLIG
Affiliation:
Department of Psychology, University of Zurich, Zurich, Switzerland
UTE KOPP
Affiliation:
Klinik für Neurologie, Charité, Universitätsmedizin Berlin, Berlin, Germany
RACHAEL MACKINLAY
Affiliation:
Department of Psychology, University of Zurich, Zurich, Switzerland
MATTHIAS KLIEGEL
Affiliation:
Department of Psychology, University of Zurich, Zurich, Switzerland
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Abstract

The present study investigated prospective memory in patients with Parkinson's disease (PD) and healthy controls. In addition, the influence of task importance on participants' performance was examined. Experimental settings required participants to focus either on the prospective or the ongoing task. The three main findings are (1) PD patients performed as well on a prospective memory task as healthy controls when the focus was laid on the prospective memory task, (2) their prospective memory performance was impaired when the ongoing activity was stressed, and (3) differences in working memory capacity were related to these differential effects. Results indicate that PD patients can perform event-based prospective memory tasks to a normal degree if the prospective task component is prioritized. Data also suggest that a reduced working memory capacity plays an important role in this process. Findings are discussed in terms of conceptual, methodological, and clinical implications. (JINS, 2007, 13, 888–892.)

Keywords

Prospective memoryParkinson's diseaseTask importanceWorking memoryPlanningExecutive function
Type
BRIEF COMMUNICATION
Information
Journal of the International Neuropsychological Society , Volume 13 , Issue 5 , September 2007 , pp. 888 - 892
Copyright
2007 The International Neuropsychological Society

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