Abstract
The right dorsolateral prefrontal cortex (rDLPFC) plays an essential role in social decision-making. Although several neural imaging studies have provided evidence that the rDLPFC is correlated with fairness perception, little research has investigated the causal effect of this encephalic region on individuals’ consciousness, particularly perceptions of organizational fairness. The present study explores the causal relationship between the rDLPFC and organizational fairness perception by using brain modulation techniques. Healthy participants received transcranial direct current stimulation (tDCS) and fulfilled the modified ultimatum game (UG) in the sham-controlled experiment. Our results showed that only cathodal stimulation of the rDLPFC resulted in increasing rejection offers compared with the sham stimulation in conditions of disadvantageous inequity. No differences were found between the anodal and sham stimulation in any inequity condition. This study strengthens the main functional effects of the rDLPFC in negative emotional control in relation to organizational fairness perceptions.
Highlights
Organizations, and the social relationships they involve, are based on fairness values
The 3 × 2 mixed-model analysis of variance (ANOVA) revealed the following: the main effect for treatment was significant (F[2,84] = 3.24, p = 0.04, η2 = 0.07); least significant difference (LSD) post hoc analysis showed that the mean of the rejection size in the cathodal group (M = 4.75) was significantly higher than that in the sham group (M = 2.72) and anodal group (M = 2.38)
Our results showed that the neural effects of the right dorsolateral prefrontal cortex (rDLPFC) on organizational fairness perception were dependent on inequity type
Summary
Organizations, and the social relationships they involve, are based on fairness values. Questionnaire methods have typically been applied to identify organizational unfairness perception leading to negative outcomes such as theft, dissatisfaction, and poor performance (Greenberg, 1990; Colquitt et al, 2001). Both organizations and individuals seek to gain benefits and avoid losses. Organizations should be considered a decision-making body tDCS to rDLPFC: Organizational Fairness Perception or behavioral subject pursuing the maximization of its own interests. Fairness perception can be discussed from the perspective of games between an organization and its members
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