Causal Role of the Right Dorsolateral Prefrontal Cortex in Organizational Fairness Perception: Evidence From a Transcranial Direct Current Stimulation Study

Li, Xi; Xiong, Guanxing; Dong, Zhiqiang; Cai, Shenggang; Zhao, Jun; She, Zhe; Guo, Yuchen

doi:10.3389/fnbeh.2020.00134

Cited by 4 publications

(4 citation statements)

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“…The RSA results revealed a significant connection between the ERP data and behavioral data. In the UG, individuals make value trade‐offs to maximize their self‐interest while also controlling the negative feelings induced by unequal reward distribution (Li et al, 2020 ). This study also takes the proposers' intentions into account.…”

Section: Discussionmentioning

confidence: 99%

Intention affects fairness processing: Evidence from behavior and representational similarity analysis of event‐related potential signals

Qin

et al. 2023

Human Brain Mapping

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In an ultimatum game, the responder must decide between pursuing self‐interest and insisting on fairness, and these choices are affected by the intentions of the proposer. However, the time course of this social decision‐making process is unclear. Representational similarity analysis (RSA) is a useful technique for linking brain activity with rich behavioral data sets. In this study, electroencephalography (EEG) was used to measure the time course of neural responses to proposed allocation schemes with different intentions. Twenty‐eight participants played an ultimatum game as responders. They had to choose between accepting and rejecting the fair or unfair money allocation schemes of proposers. The schemes were offered based on the proposer's selfish intention (monetary gain), altruistic intention (donation to charity), or ambiguous intention (unknown to the responder). We used a spatiotemporal RSA and inter‐subject RSA (IS‐RSA) to explore the connections between event‐related potentials (ERPs) after offer presentation and intention presentation with four types of behavioral data (acceptance, response time, fairness ratings, and pleasantness ratings). The spatiotemporal RSA results revealed that only response time variation was linked with the difference in ERPs at 432–592 ms after offer presentation on the posterior parietal and prefrontal regions. Meanwhile, the IS‐RSA results found a significant association between inter‐individual differences in response time and differences in ERP activity at 596–812 ms after the presentation of ambiguous intention, particularly in the prefrontal region. This study expands the intention‐based reciprocal model to the third‐party context and demonstrates that brain activity can represent response time differences in social decision‐making.

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Section: Discussionmentioning

confidence: 99%

Intention affects fairness processing: Evidence from behavior and representational similarity analysis of event‐related potential signals

Qin

et al. 2023

Human Brain Mapping

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“…In the sham condition, the electrode was placed in the same position for RH anode stimulation. The reference electrode was placed over the other side of the deltoid muscle (Li et al, 2020; Priori et al, 2008). The current was delivered through battery-DC-STIMULATOR (NeuroConn, Ilmenau, Germany) using two saline-soaked surface sponge electrodes (5 cm × 7 cm).…”

Section: Studymentioning

confidence: 99%

“…Heekeren et al (2004) showed that the left DLPFC integrates different event modalities and is active in choice contexts. X. Li et al (2020) indicated that the right DLPFC is more sensitive to reward, leading to its involvement in supporting reward-exploring behaviors, such as updating actions toward favorable choices.…”

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confidence: 99%

“…X. Li et al (2020) indicated that the right DLPFC is more sensitive to reward, leading to its involvement in supporting reward-exploring behaviors, such as updating actions toward favorable choices. Therefore, our article will provide neural evidence through bilateral and unilateral tDCS paradigms to identify the causal relationship between the DLPFC and the gain-loss framing effect of intertemporal choice.…”

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confidence: 99%

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Modulating the activity in the dorsolateral prefrontal cortex changes gain–loss framing effect of intertemporal choice: A transcranial direct current stimulation study.

Xiong¹,

Wu²,

Dong³

et al. 2023

Journal of Neuroscience, Psychology, and Economics

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Intertemporal choice refers to decisions involving trade-offs between costs and benefits occurring at different times. Studies have found that the dorsolateral prefrontal cortex (DLPFC) is involved in intertemporal choice for gains and losses. However, the causal role of the DLPFC in the gain–loss framing effect of intertemporal choice remains under investigation. The present study explores the causal relationship between the DLPFC and the intertemporal framing effect using transcranial direct current stimulation (tDCS). In Study 1, using the bifrontal tDCS paradigm, participants performed delay discounting tasks in the situations of gains and losses while receiving right anodal/left cathodal or sham stimulation in the DLPFC. In Study 2, to further reveal the effect of the right DLPFC, we applied a unilateral stimulation paradigm (right anodal or sham stimulation in DLPFC) in the same intertemporal framing effect tasks. Our results showed that (a) compared with the sham control stimulation, the gain–loss framing effect of intertemporal choice disappeared after receiving right anodal/left cathodal stimulation in the DLPFC and (b) such effect also disappeared when receiving unilateral stimulation in the right DLPFC. These findings confirmed that the right DLPFC plays a critical role in the gain–loss framing effect of intertemporal decision making.

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Cyborg Virtues: Using Brain Stimulation for Moral Enhancement

Hughes

2023

Advances in Neuroethics

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Causal Role of the Right Dorsolateral Prefrontal Cortex in Organizational Fairness Perception: Evidence From a Transcranial Direct Current Stimulation Study

Cited by 4 publications

References 50 publications

Intention affects fairness processing: Evidence from behavior and representational similarity analysis of event‐related potential signals

Intention affects fairness processing: Evidence from behavior and representational similarity analysis of event‐related potential signals

Modulating the activity in the dorsolateral prefrontal cortex changes gain–loss framing effect of intertemporal choice: A transcranial direct current stimulation study.

Cyborg Virtues: Using Brain Stimulation for Moral Enhancement

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