工作记忆和风险取向类型对情感决策的影响  

The Influence of Working Memory and Types of Risk-Taking on Affective Decision-Making

作　　者：周灿灿[1,2] 游旭群[1] 漆振邦 宁红[2] 袁双双 甘萍[2] 

机构地区：[1]陕西师范大学心理学院,西安710062 [2]华中师范大学心理学院,武汉430079

出　　处：《心理与行为研究》2017年第1期128-135,共8页Studies of Psychology and Behavior

基　　金：教育部哲学社会科学研究重大课题攻关项目(11JZD044);高等学校博士学科点转向科研基金课题(20130202110014)

摘　　要：本研究采用爱荷华赌博任务(Iowa Gambling Task,IGT)范式,探究工作记忆在情感决策过程中的作用,以及风险取向类型与工作记忆的作用机制。以88名大学生为被试,采用自变量2(风险取向类型:风险偏好/风险规避)×2(工作记忆负荷:无负荷/有负荷)的混合实验设计。结果发现,高工作记忆负荷会降低被试的IGT成绩;工作记忆负荷和风险取向类型存在交互作用,即对于风险偏好型被试,工作记忆负荷对IGT损失敏感性的干扰并不明显,但对于风险规避型被试,高工作记忆负荷时的IGT损失敏感性比低工作记忆负荷时的更差。这些结果表明工作记忆和风险取向均会影响个体的情感决策。The purpose of the present study is to see the influence of working memory on affective decision-making performance, and to reveal the mechanism behind the effects of working memory and types of risk-taking. This research took a 2 （Types of risk-taking： risk preference/risk aversion） x2 （Working memory load： load/non-load） mixed experimental design. The dependent variable was participants＇ grades of Iowa Gambling Task （IGT） , which is the classic paradigm of affective decision-making in a laboratory environment. The participants are 88 university students. The results showed that high working memory load significantly declined the performance of IGT; working memory and the types of risk-taking had an interaction effect. Therefore, for participants of risk preference type, the interference of working memory on sensibility to the loss in IGT was not significant; while for the risk aversion type, wh suggested decisionthat, both working making en the working memory was occupied, the grades were worse. Overall, findings memory and the types of risk-taking have influence on individuals affective

关 键 词：工作记忆 风险取向类型 爱荷华博弈任务 情感决策 

分 类 号：B842.6[哲学宗教—基础心理学]