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Who is honest and why : baseline activation in anterior insula predicts inter-individual differences in deceptive behavior

Baumgartner, T. and Gianotti, L. R. and Knoch, D.. (2013) Who is honest and why : baseline activation in anterior insula predicts inter-individual differences in deceptive behavior. Biological psychology, Vol. 94, H. 1. pp. 192-197.

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Official URL: http://edoc.unibas.ch/dok/A6205372

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Abstract

Humans engage in deceptive behavior that negatively affects others. The propensity to deceive is, however, characterized by vast inter-individual heterogeneity that is poorly understood. Attempts to investigate the origins of this heterogeneity have so far mainly relied on subjective measures and have shown little predictive power. Here, we used resting electroencephalography to measure objective and stable individual differences in neural baseline activation in combination with an ecologically valid deception paradigm. Results showed that task-independent baseline activation in the anterior insula, a brain area implicated in mapping internal bodily states and in representing emotional arousal and conscious feelings, predicts individuals' propensity for deceptive behavior. The higher the neural baseline activation in this area is, the lower individuals' propensity to deceive. Moreover, results provide evidence that high baseline activation in the anterior insula is associated with negative affect and dispositional tendencies to avoid aversive emotional situations. These results provide converging neural and psychological evidence that individuals might avoid a deceptive act due to a highly active negative emotional system which would make a deceptive act too stressful and bothersome.
Faculties and Departments:07 Faculty of Psychology > Departement Psychologie > Ehemalige Einheiten Psychologie > Social and Affective Neuroscience (Knoch)
UniBasel Contributors:Baumgartner, Thomas and Gianotti, Lorena R. R. and Knoch, Daria
Item Type:Article, refereed
Article Subtype:Research Article
Bibsysno:Link to catalogue
Publisher:Elsevier
ISSN:0301-0511
Note:Publication type according to Uni Basel Research Database: Journal article
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Last Modified:31 Jan 2014 09:51
Deposited On:31 Jan 2014 09:51

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