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Int J Psychophysiol. 2007 Nov;66(2):154-60. Epub 2007 May 3.

Trait anger predicts relative left frontal cortical activation to anger-inducing stimuli.

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Texas A&M University, Department of Psychology, 4235 TAMU, College Station, TX 77843-4235, USA.


Building on past research that has suggested that relatively greater left frontal cortical activity is associated with approach-related anger and that individuals who are high in trait anger are more likely to evidence angry responses, the present research tested whether individuals high in trait anger would be more likely to evidence relatively greater left frontal cortical activity in response to anger-eliciting pictorial stimuli. In the experiment, participants were exposed to pictures intended to evoke anger, fear/disgust, positive, or neutral affective reactions. Electroencephalographic (EEG) activity was recorded continuously, and alpha power was derived from the EEG to measure cortical activity. Trait anger was measured using the Buss and Perry Aggression Questionnaire [Buss, A.H., Perry, M., 1992. The aggression questionnaire. Journal of Personality and Social Psychology, 63, 452-459]. Results revealed that trait anger was positively related to greater relative left frontal cortical activity to anger-evoking pictures but not to other types of pictures.

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