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The impact of TMS‐enhanced cognitive control on forgiveness processes
Author(s) -
Maier Moritz J.,
Rosenbaum David,
Brüne Martin,
Fallgatter Andreas J.,
Ehlis AnnChristine
Publication year - 2021
Publication title -
brain and behavior
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.915
H-Index - 41
ISSN - 2162-3279
DOI - 10.1002/brb3.2131
Subject(s) - forgiveness , psychology , generosity , ultimatum game , dictator game , cognition , anger , dorsolateral prefrontal cortex , feeling , affect (linguistics) , social psychology , control (management) , cognitive psychology , prefrontal cortex , neuroscience , communication , philosophy , theology , management , economics
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.

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