中华行为医学与脑科学杂志
中華行為醫學與腦科學雜誌
중화행위의학여뇌과학잡지
Chinese Journal of Behavioral Medicine and Brain Science
2015年
9期
830-834
,共5页
爱荷华赌博任务%风险决策%动机%情绪
愛荷華賭博任務%風險決策%動機%情緒
애하화도박임무%풍험결책%동궤%정서
Risk taking and decision making%Iowa gambling task%Emotion%Motivation
目的 探讨趋近和回避动机情绪对不确定性决策的影响.方法 采用随机数表法将300名大学生被试分配到控制组和四种情绪组(高兴、宁静、愤怒、厌恶),每组60名,各情绪组被试分别观看100～ 140 s视频诱发相应的情绪后,评估情绪强度和主观情绪体验,并完成爱荷华赌博任务(Iowa gamblingtask,IGT).结果 与回避动机情绪(宁静/厌恶)组相比,趋近动机情绪(高兴/愤怒)组被试在决策失败后会更频繁的转换选牌方向(转换率:0.67±0.01 vs 0.75±0.01),随着决策次数的增加,趋近动机情绪组被试的选牌净分数[组块1～5:(-6.28±0.66)分vs(-1.67±0.63)分vs (7.63±0.57)分vs(6.43±0.52)分vs(8.03±0.61)分]显著高于回避动机情绪组[组块1～5:(-5.85±0.66)分vs(-1.36±0.62)分vs(2.78±0.57)分vs(1.93±0.52)分vs(2.90±0.61)分],且该趋势会随着情绪强度的增强而日趋明显.结论 情绪对不确定性决策的影响主要体现在情绪的动机维度而非效价维度,同时,情绪对决策的影响还受到情绪强度的调节.结果提示情绪的动机模型能更有效预测情绪对IGT决策的影响.
目的 探討趨近和迴避動機情緒對不確定性決策的影響.方法 採用隨機數錶法將300名大學生被試分配到控製組和四種情緒組(高興、寧靜、憤怒、厭噁),每組60名,各情緒組被試分彆觀看100～ 140 s視頻誘髮相應的情緒後,評估情緒彊度和主觀情緒體驗,併完成愛荷華賭博任務(Iowa gamblingtask,IGT).結果 與迴避動機情緒(寧靜/厭噁)組相比,趨近動機情緒(高興/憤怒)組被試在決策失敗後會更頻繁的轉換選牌方嚮(轉換率:0.67±0.01 vs 0.75±0.01),隨著決策次數的增加,趨近動機情緒組被試的選牌淨分數[組塊1～5:(-6.28±0.66)分vs(-1.67±0.63)分vs (7.63±0.57)分vs(6.43±0.52)分vs(8.03±0.61)分]顯著高于迴避動機情緒組[組塊1～5:(-5.85±0.66)分vs(-1.36±0.62)分vs(2.78±0.57)分vs(1.93±0.52)分vs(2.90±0.61)分],且該趨勢會隨著情緒彊度的增彊而日趨明顯.結論 情緒對不確定性決策的影響主要體現在情緒的動機維度而非效價維度,同時,情緒對決策的影響還受到情緒彊度的調節.結果提示情緒的動機模型能更有效預測情緒對IGT決策的影響.
목적 탐토추근화회피동궤정서대불학정성결책적영향.방법 채용수궤수표법장300명대학생피시분배도공제조화사충정서조(고흥、저정、분노、염악),매조60명,각정서조피시분별관간100～ 140 s시빈유발상응적정서후,평고정서강도화주관정서체험,병완성애하화도박임무(Iowa gamblingtask,IGT).결과 여회피동궤정서(저정/염악)조상비,추근동궤정서(고흥/분노)조피시재결책실패후회경빈번적전환선패방향(전환솔:0.67±0.01 vs 0.75±0.01),수착결책차수적증가,추근동궤정서조피시적선패정분수[조괴1～5:(-6.28±0.66)분vs(-1.67±0.63)분vs (7.63±0.57)분vs(6.43±0.52)분vs(8.03±0.61)분]현저고우회피동궤정서조[조괴1～5:(-5.85±0.66)분vs(-1.36±0.62)분vs(2.78±0.57)분vs(1.93±0.52)분vs(2.90±0.61)분],차해추세회수착정서강도적증강이일추명현.결론 정서대불학정성결책적영향주요체현재정서적동궤유도이비효개유도,동시,정서대결책적영향환수도정서강도적조절.결과제시정서적동궤모형능경유효예측정서대IGT결책적영향.
Objective To explore the role of emotional valence and motivational direction avoidance on risk taking behavior.Methods In the experiment,300 healthy young adults were randomly assigned to a control and four emotion condition groups(60 per group),which induced by four short movie clips of 100～140 seconds' duration.To keep participants from suspecting a link between the emotional induction and the Iowa gambling task (IGT),participants were told that they would complete two experiments.The first experiment was to evaluate whether the movie clips were suitable for materials of the memory test,and the second was to complete a poke gambling task,and then they were required to read the instructions about the IGT.Immediately after reading the instructions and watching one of four movie clips and completing the scales of emotional appraisals,participants were asked to perform the IGT.At the end of the procedure,the experimenter asked the participants for their opinion about the experiments.They all answered that the two experiments were independent of each other.Results With approach-based emotion (amusement and anger) prompting more advantageous card selection along with the time course of the decision making relative to withdrawal-based emotion (serenity and disgust) (0.75±0.01 vs 0.67±0.01).Furthermore,compared with the latter(block 1-5:-5.85±0.66 vs-1.36±0.62 vs 2.78±0.57 vs 1.93±0.52 vs 2.90±0.61),the participants with approach-based emotion(block1-5:-6.28±0.66 vs-1.67±0.63 vs 7.63±0.57 vs 6.43±0.52 vs 8.03±0.61) preferred to transform the direction of card selection after getting negative feedback to avoid potentially high risks.Additionally,the main effect of the motivation direction mentioned above was more and more significant along with the increase of the intensity of the emotion.Conclusion A main effect of motivational direction,but not valence is observed in the present study,the results suggest that motivation dimension,relative to emotional valence,may be a more useful research perspective to study such decisions.
