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Language and the Modulation of Impulsive Aggression

Received May 30, 2007; revised October 16, 2007; accepted October 22, 2007. The authors are affiliated with the Michael E. DeBakey Veterans Affairs Medical Center; Dr. Miller is also affiliated with the Department of Psychiatry at Baylor College of Medicine in Houston, Tex.; Drs. Collins and Kent are also affiliated with the Department of Neurology at Baylor College of Medicine. Address correspondence to Thomas A. Kent, M.D., 2B223 Neurology, 2002 Holcombe Blvd., Houston, TX 77030; tkent{at}bcm.tmc.edu (e-mail).

The current conceptualization of the functional anatomy of impulsive aggression relies on data largely derived from studies of animal models of defensive rage. However, animal models cannot account for the replicable findings of verbal impairments and abnormalities in the language processing regions of the brain, described in more recent studies of impulsive aggression in humans. The authors present an updated model of impulsive aggression that preserves the core defensive rage functional anatomy while implicating the brain regions associated directly and indirectly with language processing and their relationship to executive function as integral to the etiology, modulation, and treatment of impulsive aggression.

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