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Cognitive estimation in traumatic brain injury

Published online by Cambridge University Press:  14 August 2007

NOAH D. SILVERBERG ,
ROBIN A. HANKS  and
CHERISSE MCKAY
NOAH D. SILVERBERG
Affiliation:
Department of Psychology, University of Windsor, Windsor, Ontario, Canada
ROBIN A. HANKS
Affiliation:
Department of Rehabilitation Psychology and Neuropsychology, Rehabilitation Institute of Michigan, and Department of Physical Medicine and Rehabilitation, Wayne State University School of Medicine, Detroit, Michigan
CHERISSE MCKAY
Affiliation:
Department of Psychology, University of Windsor, Windsor, Ontario, Canada
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Abstract

The present study explores the construct and ecological validity of the Biber Cognitive Estimation Test (BCET) in a traumatic brain injury (TBI) sample. Participants completed the BCET in the course of a neuropsychological evaluation at 1–15 years after injury. BCET scores correlated moderately with other standard measures of executive functioning, and contrary to our hypotheses, at least as high with neuropsychological tests with minimal demands on executive functioning. Moreover, partialing out the portion of BCET variance not attributable to executive functioning markedly attenuated the former correlations. With respect to ecological validity, BCET scores did not predict concurrent functional status, as measured by the Disability Rating Scale. By comparison, standard measures of executive functioning strongly correlated with each other, correlated less strongly with nonexecutive functioning measures, and predicted functional status. In conclusion, unlike standard measures of executive functioning, the BCET demonstrated poor construct and ecological validity in TBI patients.(JINS, 2007, 13, 898–902.)

Keywords

Neuropsychological testsNeurobehavioral manifestationsHead injuriesClosed head injuriesPenetratingCognitionJudgment
Type
BRIEF COMMUNICATION
Information
Journal of the International Neuropsychological Society , Volume 13 , Issue 5 , September 2007 , pp. 898 - 902
Copyright
2007 The International Neuropsychological Society

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