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1、情緒效價強度對抑郁癥狀個體認(rèn)知控制的影響李嘉雯,馮正直,廖成菊,蔣娟,王曉霞（400038重慶,第三軍醫(yī)大學(xué)護理學(xué)院心理學(xué)教研室）[摘要]目的：探討情緒刺激效價強度對抑郁癥狀個體認(rèn)知控制的影響特點。方法：以貝克抑郁量表和Zung編制的抑郁自評量表為工具，選取重慶某大學(xué)本科生，發(fā)放問卷600份，回收有效問卷585份。在重慶某所大學(xué)對520人進行前期問卷篩查利用貝克抑郁量表（Beckdepressioninvertory，BDI）和自評抑郁量表（self-ratingdepressionscales，SDS）進行篩選，得到抑郁癥狀被試23名和健康被試23名篩選出健
2、康被試與抑郁癥狀被試各23名，利用經(jīng)典的雙選擇情緒Oddball實驗范式，比較不同情緒刺激效價強度對兩組被試的認(rèn)知控制的正確率和反應(yīng)時的差異。結(jié)果：①從正確率分析來看，健康組(F=11.221，P<0.01)與抑郁癥狀組(F=12.310，P<0.01)分別在情緒效價強度變化上有顯著差異，兩組在高負(fù)性、中性和低正性中目標(biāo)刺激均高于高正性和低負(fù)性，高正性和低負(fù)性沒有差異。②從反應(yīng)時分析來看，健康組(F=2.903，P<0.05)與抑郁癥狀組(F=3.256，P<0.05)分別在情緒效價強度（愉悅度）變化上有顯著差異；但是對于健康組，在高負(fù)性、中性、低正性和高正性
3、中目標(biāo)刺激反應(yīng)時長于低負(fù)性；對于抑郁癥狀組，在高負(fù)性和低正性中目標(biāo)刺激反應(yīng)時高于中性和高正性。結(jié)論:情緒效價強度對抑郁癥狀個體的認(rèn)知控制影響存在差異，且影響程度隨著情緒強度變化而變化。隨著負(fù)性情緒強度的增加，抑郁癥狀個體認(rèn)知控制反應(yīng)延遲；隨著正性情緒強度的增加，抑郁癥狀個體認(rèn)知控制反應(yīng)提前。[關(guān)鍵詞]情緒；效價；認(rèn)知控制；抑郁癥狀；影響TheeffectofValenceStrengthforDifferentEmotionalStimulionCognitiveControlinDepressiveSymptomIndividualsLiJianwen,Fe
4、ngZhengzhi,LiaoChengju,JiangJuan,WangXiaoxia(DepartmentofPsychology,CollegeofNurseing,ThirdMilitaryUniversity,ChongQing,400038)[Abstract]Object:Toinvestigatetheeffectofvalencestrengthfordifferentemotionalstimulioncognitivecontrolindepressivesymptomindividuals.Methods:Atotalof23healt
5、hindividualsand23matcheddepressivesymptomindividualsbasedonBeckdepressioninventory(BDI)andself-ratingdepressionscale(SDS)wereenrolledinthisstudy.Theemotionaloddballtaskwerecarriedoutonthemtocomparetheiraccuraciesandreactiontimesoftargetsimuluseffectedbyvalencestrengthofdifferentemot
6、ionalstimuli.Result:(1)Theaccuraciesdatashowedthattherewassignificantdifferenceindifferentvalencestrengthforhealthgroup(F=11.221,P<0.01),andalsofordepressivesymptomgroup(F=12.310,P<0.01);thentheaccuraciesoftargetsimulusinhighlynegative,neutralandmoderatelypositiveweresignificanthigh
7、erthanhighlypositiveandmoderatelynegativeineithergroup.(2)Thereactiontimesdatashowedthattherewassignificantdifferenceindifferentvalencestrengthforhealthgroup(F=2.903,P<0.05),thereactiontimesoftargetsimulusinhighlynegative,neutral,moderatelypositiveandhighlypositiveweresignificantlon
8、gerthanmoderatelyne
