Objective: Loss of consciousness (LOC) during military-related combat and training can alter cognitive performance, thus the comparison between Armed Forces Qualification Test (AFQT), used to determine enlistment qualifications that predict military accomplishments, and post-enlistment measures is critical. This study investigates correlations between AFQT scores, LOC, and post-training and combat Wechsler Adult Intelligence Scale (WAIS-IV) IQ scores. Method: Participants (N = 186) were obtained from a large dataset of neuropsychological testing of military personnel. AFQT scores, IQ scores, and reported LOC were obtained for each participant. Results: With LOC, IQ was positively correlated with AFQT, r(112) = 0.601, p < 0.01. In addition, a positive correlation between AFQT and IQ scores was found for those who did not report LOC, r(43) = 0.688, p < 0.01. Reporting LOC did not statistically impact IQ scores, t(163) = -.611, p = 0.542, nor did it for AFQT scores, t(163) = .679, p =...

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