In a study examining the genetic influences on antisocial personality disorder,researchers found that,as compared with the brains of non-murderers of the same age and sex,the brains of murderers showed reduced activity in the ________,a brain area that helps with impulse control.

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The frontal lobe is responsible for impulse control, decision-making, and judgment. Studies have shown that individuals with antisocial personality disorder and violent tendencies have reduced activity in the frontal lobe, suggesting a genetic predisposition to these behaviors. The pineal gland is responsible for regulating sleep-wake cycles, the reticular formation is involved in arousal and attention, and the medulla regulates vital bodily functions such as breathing and heart rate, none of which have been linked to antisocial personality disorder or violent behavior.

In a Study Examining the Genetic Influences on Antisocial Personality