Neural Network Correlates of Apathy, Disinhibition, and Executive Dysfunction in Active-Duty United States Special Operations Forces
Gilmore, N.; McKinney, I. R.; Tseng, C.-E. J.; Greve, D. N.; Maffei, C.; Healy, B. C.; Zurcher, N. R.; Hooker, J. M.; Tromly, S. L.; Perl, D. P.; Dams-O'Connor, K.; Mac Donald, C. L.; Edlow, B. L.; Bodien, Y.
Show abstract
United States Special Operations Forces (SOF) experience neurobehavioral symptoms that can adversely affect training and combat operations. Understanding the neurobiological basis for these symptoms may guide prevention and treatment. In 29 male active-duty SOF with mean (SD) 17(4) years of service, we tested whether self-reported symptoms of apathy, disinhibition, and executive dysfunction measured by the Frontal Systems Behavior Scale, were related to functional magnetic resonance imaging and positron emission tomography biomarkers (translocator protein and tau) of the limbic, salience, and executive control networks. Higher disinhibition was associated with lower functional connectivity and higher tau signal within the salience network.
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