Oscillatory brain activity related to control mechanisms during laboratory-induced reactive aggression.

Frontiers in Behavioral Neuroscience
Ulrike M KrämerThomas F Münte

Abstract

Aggressive behavior is a common reaction in humans after an interpersonal provocation, but little is known about the underlying brain mechanisms. The present study analyzed oscillatory brain activity while participants were involved in an aggressive interaction to examine the neural processes subserving the associated decision and evaluation processes. Participants were selected from a larger sample because of their high scores in trait aggressiveness. We used a competitive reaction time task that induces aggressive behavior through provocation. Each trial is separated in a decision phase, during which the punishment for the opponent is set, and an outcome phase, during which the actual punishment is applied or received. We observed provocation-related differences during the decision phase in the theta band which differed depending on participants' aggressive behavior: high provocation was associated with an increased frontal theta response in participants refraining from retaliation, but with reduced theta power in those who got back to the opponent. Moreover, more aggressive decisions after being punished were associated with a decrease of frontal theta power. Non-aggressive and aggressive participants differed also in their ...Continue Reading

Citations

Nov 24, 2011·PloS One·Ulrike M KrämerThomas F Münte
Jun 28, 2011·International Journal of Psychophysiology : Official Journal of the International Organization of Psychophysiology·Vilfredo De PascalisMarco Rotonda
Oct 19, 2017·Social Cognitive and Affective Neuroscience·Frederike BeyerChristian F Beckmann
Jan 15, 2019·Experimental Neurobiology·SeungYeong ImChang-Hun Lee
Jun 20, 2019·Frontiers in Behavioral Neuroscience·Xue XiaXiaochun Wang

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