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01.09.2007 | Research Article

Assessing the neural correlates of self-enhancement bias: a transcranial magnetic stimulation study

verfasst von: Virginia S. Y. Kwan, Veronica Barrios, Giorgio Ganis, Jamie Gorman, Claudia Lange, Monisha Kumar, Alejandro Shepard, Julian Paul Keenan

Erschienen in: Experimental Brain Research | Ausgabe 3/2007

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Abstract

Considerable research has focused on overly positive self-perceptions (self-enhancement), and yet little is known about the underlying neural mechanisms. The present study sought to assess the neural correlates of self-enhancement by applying Transcranial Magnetic Stimulation (TMS) to three brain regions. Twelve participants rated their best friend, as well as the self on a set of desirable or undesirable traits while TMS pulses were delivered in a virtual lesion manner. During the baseline condition (Sham TMS), participants produced more desirable and fewer undesirable ratings for themselves as compared to their best friend, showing self-enhancement. Compared to Sham TMS, TMS delivered to the Medial Prefrontal Cortex (MPFC) reduced self-enhancement whereas TMS delivered to the Supplementary Motor Area (SMA) and the precuneus did not. Together, these findings suggest that the MPFC may influence self-enhancement.

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Titel: Assessing the neural correlates of self-enhancement bias: a transcranial magnetic stimulation study
verfasst von: Virginia S. Y. Kwan
Veronica Barrios
Giorgio Ganis
Jamie Gorman
Claudia Lange
Monisha Kumar
Alejandro Shepard
Julian Paul Keenan
Publikationsdatum: 01.09.2007
Verlag: Springer-Verlag
Erschienen in: Experimental Brain Research / Ausgabe 3/2007
Print ISSN: 0014-4819
Elektronische ISSN: 1432-1106
DOI: https://doi.org/10.1007/s00221-007-0992-2

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