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The impact of TMS-enhanced cognitive control on forgiveness processes

: Maier, Moritz J.; Rosenbaum, David; Brüne, Martin; Fallgatter, Andreas J.; Ehlis, Ann-Christine

Volltext urn:nbn:de:0011-n-6342515 (495 KByte PDF)
MD5 Fingerprint: cfaa4d674332800296e6330d909d8838
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Erstellt am: 27.4.2021

Brain and behavior 11 (2021), Nr.5, Art. e02131, 7 S.
ISSN: 2162-3279
ISSN: 2157-9032
Deutsche Forschungsgemeinschaft DFG
EH 388/2-1
Kognitive Kontrolle und der präfrontale Kortex: Funktionelle Messungen und Effekte von Neuromodulation bei gesunden Probanden und einer hoch-impulsiven Risikostichprobe
Zeitschriftenaufsatz, Elektronische Publikation
Fraunhofer IAO ()

Background: Cognitive control is thought to be necessary for forgiveness processes.
Materials and Methods: To examine this correlation, highly impulsive participants, who often fail to inhibit feelings of revenge, received activating theta burst stimulation (TBS) of a classical cognitive control region of the brain, the right dorsolateral prefrontal cortex (rDLPFC). For testing forgiveness ability participants received verum TBS versus sham TBS in a randomized, double‐blinded, within‐subjects design. In both sessions, they first learned that there are fair and unfair opponents in an ultimatum game, and subsequently played a dictator game with reversed roles with the option to revenge or forgive the opponents from the previous game.
Results: Contrary to our hypothesis, activating TBS did not increase forgiving behavior toward unfair opponents. However, it increased the generosity toward previously fair opponents.
Conclusion: As an explanation it is discussed that the TBS can only affect “cold” emotions such as greed, but not the “hot” emotions such as anger.