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Journal Article

Citation

Eonta SE, Carr W, McArdle JJ, Kain JM, Tate C, Wesensten NJ, Norris JN, Balkin TJ, Kamimori GH. Aviat. Space Environ. Med. 2011; 82(1): 34-39.

Affiliation

Naval Medical Research Center, Silver Spring, MD 20910-7500, USA. stephanie.eonta@med.navy.mil

Copyright

(Copyright © 2011, Aerospace Medical Association)

DOI

unavailable

PMID

21235103

Abstract

INTRODUCTION: U.S. military troops deploying to war zones are currently administered the Automated Neuropsychological Assessment Metrics (ANAM4) Traumatic Brain Injury (TBI) Battery to establish individual neurocognitive performance baselines. In part, the utility of the ANAM4 TBI Battery baseline measurement depends on test-retest reliability of this instrument. The purpose of this report was to evaluate performance following multiple administrations of the ANAM4 TBI Battery: does performance in a repeated measures paradigm constitute a stable, interpretable indication of baseline neurocognitive ability? METHODS: The data presented here are from the ANAM4 TBI Battery administered four times to a group of U.S. Marines in Study 1 and eight times to a group of New Zealand Defence Force personnel in Study 2. RESULTS: The results show practice effect in five of six performance subtests in both Study 1 and Study 2. DISCUSSION: Results are consistent with expectations that multiple test sessions are required to reach stable performance on some computerized tasks. These results have implications for taking ANAM4 TBI Battery practice effects into account in test administration and in data interpretation.


Language: en

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