Differences in brain circuitry for appetitive and reactive aggression as revealed by realistic auditory scripts

Moran, James; Weierstall, Roland; Elbert, Thomas

Differences in brain circuitry for appetitive and reactive aggression as revealed by realistic auditory scripts

Dateien

Moran_0-264601.pdfGröße: 3.2 MBDownloads: 402

Datum

2014

Projekt

Memo TV - Epigenetic, neural and cognitive memories of traumatic stress and violence

Open Access-Veröffentlichung

Open Access Gold

Sammlungen

Psychologie

Publikationstyp

Zeitschriftenartikel

Publikationsstatus

Published

Erschienen in

Frontiers in Behavioral Neuroscience. 2014, 8, 425. eISSN 1662-5153. Available under: doi: 10.3389/fnbeh.2014.00425

Zusammenfassung

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.

Fachgebiet (DDC)

150 Psychologie

Schlagwörter

aggression, violence, magnetoencephalography, oscillatory brain activity, motivation

Zitieren

ISO 690

MORAN, James, Roland WEIERSTALL, Thomas ELBERT, 2014. Differences in brain circuitry for appetitive and reactive aggression as revealed by realistic auditory scripts. In: Frontiers in Behavioral Neuroscience. 2014, 8, 425. eISSN 1662-5153. Available under: doi: 10.3389/fnbeh.2014.00425

BibTex

@article{Moran2014Diffe-29472,
  year={2014},
  doi={10.3389/fnbeh.2014.00425},
  title={Differences in brain circuitry for appetitive and reactive aggression as revealed by realistic auditory scripts},
  volume={8},
  journal={Frontiers in Behavioral Neuroscience},
  author={Moran, James and Weierstall, Roland and Elbert, Thomas},
  note={Article Number: 425}
}

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Universitätsbibliographie

Ja