Forgiveness and cognitive control - Provoking revenge via theta-burst-stimulation of the DLPFC

NeuroImage
Moritz Julian MaierAnn-Christine Ehlis

Abstract

In order to act in a socially acceptable way, the ability to forgive is indispensable. It has been suggested that forgiveness relies on cognitive control, more specifically inhibition. In this study, we combined an ultimatum game (UG) and a dictator game (DG) with inhibitory, continuous theta-burst stimulation (cTBS; verum vs. placebo, within-subjects design) of the right dorsolateral prefrontal cortex (DLPFC) to investigate the effect of reduced cognitive control on forgiveness. To this end, participants played an UG against fair and unfair opponents, where they had to accept or reject (fair and unfair) monetary offers, and then received a cTBS prior to playing a DG against the same opponents with reversed roles. The participants now had the possibility to forgive the unfair opponents (allocation of a fair amount of money) or to take revenge whereby the cTBS effects were assessed with functional near-infrared spectroscopy. Following verum cTBS, participants allocated significantly less money to their unfair opponents than in the placebo cTBS condition. Also, reaction times (RTs) differed significantly between verum and placebo cTBS for unfair opponents (higher RTs following verum stimulation) but not for fair opponents. These ...Continue Reading

Citations

Apr 16, 2020·Frontiers in Psychology·Hui Liu, Haijiang Li
Jul 30, 2020·Scientific Reports·David RosenbaumAnn-Christine Ehlis
Sep 26, 2020·Scientific Reports·David RosenbaumAnn-Christine Ehlis
Aug 28, 2020·Frontiers in Psychiatry·Xiaoming WangYuan Zhou
Oct 17, 2019·Frontiers in Behavioral Neuroscience·Moritz Julian MaierAnn-Christine Ehlis
Feb 24, 2020·Neuroscience and Biobehavioral Reviews·Melike M FourieJean Decety
Mar 7, 2020·NeuroImage. Clinical·David RosenbaumAnn-Christine Ehlis
Mar 31, 2021·Brain and Behavior·Moritz J MaierAnn-Christine Ehlis

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