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    block this user Alexander Shackman

    Post Doctorate

    UW-Madison
    University of Wisconsin-Madison

    The role of asymmetrical frontal cortical activity in aggression.

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    Aggression correlates with relatively greater left than right frontal electroencephalographic activity (inverse of EEG alpha power). The present experiment extends this research by manipulating frontal asymmetry and examining its effect on aggression. Participants were assigned to increase left frontal activation or increase right frontal activation by contracting their contralateral hand. They then received insulting feedback and played a game in which they could aggress toward the person who insulted them. Right-hand contractions caused greater left than right central and frontal activation and aggression as compared to left-hand contractions. Within the right-hand contraction condition, greater relative left frontal activity was associated with greater aggression.

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    Description

    Title : The role of asymmetrical frontal cortical activity in aggression.
    Author(s) : Carly K Peterson, Alexander J Shackman, Eddie Harmon-Jones
    Abstract : Aggression correlates with relatively greater left than right frontal electroencephalographic activity (inverse of EEG alpha power). The present experiment extends this research by manipulating frontal asymmetry and examining its effect on aggression. Participants were assigned to increase left frontal activation or increase right frontal activation by contracting their contralateral hand. They then received insulting feedback and played a game in which they could aggress toward the person who insulted them. Right-hand contractions caused greater left than right central and frontal activation and aggression as compared to left-hand contractions. Within the right-hand contraction condition, greater relative left frontal activity was associated with greater aggression.
    Keywords : adolescent, adult, aggression, aggression physiology, data interpretation, statistical, electroencephalography, female, functional laterality, functional laterality physiology, hand, hand physiology, humans, motor cortex, motor cortex physiology, muscle c

    Subject : unspecified
    Area : Other
    Language : English
    Year : 2008

    Affiliations UW-Madison
    Journal : Psychophysiology
    Volume : 45
    Issue : 1
    Pages : 86-92
    Url : http://www.ncbi.nlm.nih.gov/pubmed/17850239

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