Abstract:
:Aggressive behavior is thought to divide into two motivational elements: The first being a self-defensively motivated aggression against threat and a second, hedonically motivated "appetitive" aggression. Appetitive aggression is the less understood of the two, often only researched within abnormal psychology. Our approach is to understand it as a universal and adaptive response, and examine the functional neural activity of ordinary men (N = 50) presented with an imaginative listening task involving a murderer describing a kill. We manipulated motivational context in a between-subjects design to evoke appetitive or reactive aggression, against a neutral control, measuring activity with Magnetoencephalography (MEG). Results show differences in left frontal regions in delta (2-5 Hz) and alpha band (8-12 Hz) for aggressive conditions and right parietal delta activity differentiating appetitive and reactive aggression. These results validate the distinction of reward-driven appetitive aggression from reactive aggression in ordinary populations at the level of functional neural brain circuitry.
journal_name
Front Behav Neuroscijournal_title
Frontiers in behavioral neuroscienceauthors
Moran JK,Weierstall R,Elbert Tdoi
10.3389/fnbeh.2014.00425subject
Has Abstractpub_date
2014-12-09 00:00:00pages
425issn
1662-5153journal_volume
8pub_type
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