Rationale Military personnel are exposed to bouts of acute stress during their careers, in which cognitive processes associated with decision-making might simultaneously suffer. Currently, it is still unclear how hormones and neurotransmitters involved in the acute stress response specifically affect these decision-making subprocesses, particularly in the military. Objectives We aimed to expose military personnel to pharmacolo...

Aggression after military deployment is a common occurrence in veterans. Neurobiological research has shown that aggression is associated with a dysfunction in a network connecting brain regions implicated in threat processing and emotion regulation. However, aggression may also be related to deficits in networks underlying communication and social cognition. The uncinate and arcuate fasciculi are integral to these networks, t...