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Alternative TitleThe influence of self-affirmation on behavioral and neural responses to outcomes of decision-making
Thesis Advisor蔡华俭
Degree Grantor中国科学院研究生院
Place of Conferral北京
Degree Discipline心理学
Keyword自我肯定 家庭我肯定 风险决策 情绪 神经反应
Abstract大量研究表明,面对威胁、挫折、困难等时,自我肯定会减少个体的防御性和负性反应,增加积极的适应性行为。本研究通过五个实验对自我肯定如何影响决策后结果反馈引起的各种行为(如,情绪、风险寻求、合作倾向)和神经生理反应进行了系列研究。实验一(N = 51)、实验二(N = 86)和实验三(N = 42)以经济赌博游戏为基本范式,考察面对损失和收益结果时,自我肯定能否影响个体的情绪反应、后继的冒险行为以及神经生理反应(反馈相关负波和P3);实验四(N = 94)和实验五(N = 38)以最后通牒游戏为基本范式,考察面对不公平和公平分配时,自我肯定是否会影响个体的情绪反应、后继的合作行为以及神经生理反应(反馈相关负波和P3)。
Other AbstractResearch has established that self-affirmation could reduce defensive and negative responses and increase positive and adaptive behaviors in coping with threat, frustrate and difficulties. In this research, five experiments were conducted to examine the influence of self-affirmation on behavioral (e.g., emotion, risk-seeking, cooperation) and neurophysiological responses to outcome feedback of decision-making. Experiment 1 (N = 51), Experiment 2 (N = 86), and Experiment 3 (N = 42) were based in Monetary Gambling Task (MGT) and examined whether self-affirmation could influence negative emotion experiences, ensuing risk behavior and neurophysiological responses (feedback-related negativity and P3) when facing loss and gain outcomes. Experimental 4 (N= 94) and Experiment 5 (N= 38) were based on Ultimatum Game (UG) and examined whether self-affirmation could modulate the emotion experiences, ensuing cooperation and neurophysiological responses (feedback-related negativity and P3) when facing unfair and fair offers.
Results based on MGT showed that (1) behaviorally, self-affirmation reduced negative emotion experiences caused by negative feedback but enhanced positive ones caused by positive feedback; however, regardless of the valence of feedback, self-affirmation increased tendencies of ensuing risk-aversion and self-enhancement; (2) on neural indexes, compared with positive feedback, self-affirmation augmented feedback-related negativity (FRN) elicited by negative feedback but made no difference in P3. Results based on UG showed that (1) behaviorally, self-affirmation reduced negative emotion experiences caused by unfair offer, increased the tendency of ensuing cooperating with the same partner and making self-enhancing decisions; (2) on neural indexes, self-affirmation enlarged the P3 elicited by unfair offer but produced no influence on FRN. In summary, self-affirmation enhanced adaptive responses to feedback of decision-making and facilitated process of negative feedback information.
These findings deepen people’s understanding of the function of self-affirmation as well as its neural mechanism, extend the potential application of self-affirmation in decision-making, and provide a new way to cope with responses to negative outcomes of decision-making. Since the familial self-affirmation paradigm, which is particularly useful in China, was employed in the experiments conducted in China, the findings also provide novel behavioral and neural evidences for the utility of familial self-affirmation.
Subject Area基础心理学
Document Type学位论文
First Author AffilicationInstitute of Psychology, Chinese Academy of Sciences
Recommended Citation
GB/T 7714
杨璟. 自我肯定影响决策结果的行为和神经反应[D]. 北京. 中国科学院研究生院,2014.
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