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Original Article

Predictors of invalid neuropsychological test performance after traumatic brain injury

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Pages 975-984 | Received 09 Jun 2003, Accepted 20 Jan 2004, Published online: 03 Jul 2009
 

Abstract

Objective: To investigate the usefulness of the Test of Memory Malingering (TOMM) and the California Verbal Learning Test-Second Edition (CVLT-II) in assessing invalid test performance after traumatic brain injury (TBI).

Design: Consecutive 3-year series of rehabilitation referrals (n = 132).

Methods and procedures: Percentage of participants who failed validity criteria was determined. Hierarchical logistic regression analysis and odds ratios were used to identify predictors of invalid test performance.

Results: Twenty patients (15%) performed in the invalid range when held to a priori specified criteria for invalid test performance (i.e. TOMM <45/50 on Trial 2 or CVLT-II <15/16 on Forced-Choice recognition trial). Both psychiatric history and financial compensation seeking were associated with an almost 4-fold increase in likelihood of invalid responding.

Conclusions: The TOMM and CVLT-II are sensitive to the potential impact of current financial compensation seeking and prior psychiatric history on neuropsychological test performance after TBI.

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