海洛因戒除者的行为冲动性:基于DDT和IGT任务反应模式的探讨

被引：16

作者：

张锋 ^{[1
]}

周艳艳 ^{[2
]}

李鹏 ^{[2
]}

沈模卫 ^{[2
]}

机构：

[1] 宁波大学心理学系

[2] 浙江大学心理与行为科学系

来源：

心理学报 | 2008年 / 06期

关键词：

海洛因戒除者; 行为冲动性; 延迟折扣任务; 风险决策任务;

D O I：

暂无

中图分类号：

B849 [应用心理学];

学科分类号：

040203 ;

摘要：

以61名男性海洛因戒除者和32名正常成年男性为被试,探讨了海洛因戒除者在延迟折扣任务和Iowa赌博任务两种决策条件下的冲动性反应模式及其关系。结果发现,海洛因戒除者的决策行为受其对即时强化的超敏感性或"即时收益优先"模式控制,其高冲动性特质既表现为对强化物长远价值的非敏感性,又表现为对强化物潜在风险的耐受性;该类人群上述两方面的特征虽有一定关联,但二者分别反应了其行为冲动性的两个相对独立的维度,且具有跨戒除时相的相对稳定性。

引用

页码：642 / 653

页数：12

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