Kayla A Steward1, Thomas A Novack2, Richard Kennedy3, Michael Crowe1, Daniel C Marson4, Kristen L Triebel5. 1. Department of Psychology, University of Alabama at Birmingham, Birmingham, AL, USA. 2. Department of Physical Medicine and Rehabilitation, University of Alabama at Birmingham, Birmingham, AL, USA. 3. Department of Medicine, University of Alabama at Birmingham, Birmingham, AL, USA. 4. Department of Neurology, University of Alabama at Birmingham, Birmingham, AL, USA dmarson@uabmc.edu. 5. Department of Neurology, University of Alabama at Birmingham, Birmingham, AL, USA.
Abstract
OBJECTIVE: The current study sought to determine whether the Wechsler Test of Adult Reading (WTAR) provides a stable estimate of premorbid intellectual ability in acutely injured patients recovering from traumatic brain injury (TBI). METHOD: A total of 135 participants (43 mild TBI [mTBI], 40 moderate/severe TBI [msevTBI], 52 healthy controls) were administered the WTAR at 1 and 12 months post-injury. RESULTS: Despite similar demographic profiles, participants with msevTBI performed significantly worse than controls on the WTAR at both time points. Moreover, the msevTBI group had a significant improvement in WTAR performance over the 1-year period. In contrast, those participants with mTBI did not significantly differ from healthy controls and both the mTBI and control groups demonstrated stability on the WTAR over time. CONCLUSIONS: Results indicate that word-reading tests may underestimate premorbid intelligence during the immediate recovery period for patients with msevTBI. Clinicians should consider alternative estimation measures in this TBI subpopulation.
OBJECTIVE: The current study sought to determine whether the Wechsler Test of Adult Reading (WTAR) provides a stable estimate of premorbid intellectual ability in acutely injured patients recovering from traumatic brain injury (TBI). METHOD: A total of 135 participants (43 mild TBI [mTBI], 40 moderate/severe TBI [msevTBI], 52 healthy controls) were administered the WTAR at 1 and 12 months post-injury. RESULTS: Despite similar demographic profiles, participants with msevTBI performed significantly worse than controls on the WTAR at both time points. Moreover, the msevTBI group had a significant improvement in WTAR performance over the 1-year period. In contrast, those participants with mTBI did not significantly differ from healthy controls and both the mTBI and control groups demonstrated stability on the WTAR over time. CONCLUSIONS: Results indicate that word-reading tests may underestimate premorbid intelligence during the immediate recovery period for patients with msevTBI. Clinicians should consider alternative estimation measures in this TBI subpopulation.
Authors: Kayla A Steward; Richard Kennedy; Thomas A Novack; Michael Crowe; Daniel C Marson; Kristen L Triebel Journal: J Head Trauma Rehabil Date: 2018 Jan/Feb Impact factor: 2.710
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