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Awareness of activity limitations and prediction of performance in patients with brain injuries and orthopedic disorders

Published online by Cambridge University Press:  01 March 2004

SONJA FISCHER ,
LANCE E. TREXLER  and
SIEGFRIED GAUGGEL
SONJA FISCHER
Affiliation:
Department of Psychology, University of Technology Chemnitz, Chemnitz, Germany and Praxis fuer Neuropsychologische Rehabilitation Prof. Fries, Munich, Germany
LANCE E. TREXLER
Affiliation:
Hook Rehabilitation Center, Community Hospitals Indianapolis, Indiana, and Indiana University School of Medicine, USA
SIEGFRIED GAUGGEL
Affiliation:
Department of Psychology, University of Technology Chemnitz, Chemnitz, Germany
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Abstract

The aim of this study was to compare the accuracy of performance predictions in experimental tasks with patients' awareness of activity limitations. Participants were 24 patients with brain injuries (i.e., traumatic brain injury and cerebrovascular disorders) and 22 patients with orthopedic disorders. Prediction of performance was examined in a memory task (word list learning) and a motor task (finger tapping). Awareness of activity limitations was measured by comparing patients' self-ratings and staff ratings in the Patient Competency Rating Scale (PCRS). Results for the PCRS showed that patients with orthopedic disorders underestimated and patients with brain injuries (i.e., patients with TBI) overestimated their level of functioning in the total scale and the social/emotional subscale in comparison to staff ratings. Both patient groups agreed with staff ratings in physical/basic self-care items. In the predicted performance tasks a similar pattern could be observed: None of the groups showed an overestimation of performance in the motor task, whereas patients with brain injuries overestimated their competency in the memory task. However, the agreement between both awareness measures (PCRS, predicted performance) was only low, which indicates that they might measure different aspects or levels of self-awareness. (JINS, 2004, 10, 190–199.)

Keywords

AwarenessActivity limitationsPredicted performanceBrain injury
Type
Research Article
Information
Journal of the International Neuropsychological Society , Volume 10 , Issue 2 , March 2004 , pp. 190 - 199
Copyright
© 2004 The International Neuropsychological Society

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