CAJ | 학술논문

目的运用事件相关电位技术研究正常成年男性对正性情绪是否存在注意偏向以及可能的加工机制.方法研究对象为18名成年健康男性,实验任务是对正性及中性情绪图片的边框颜色进行判断,系统自动记录被试的反应时及正确率,Neuroscan32导脑电仪同时记录其脑电特征.结果行为学结果显示正常男性对两种情绪图片反应时分别为[(628.11±55.46)ms] vs[(628.81±53.92)ms],正确率分别为(96.87±4.42)％与(95.76±7.41)％均差异无统计学意义(P＞0.05);ERPs结果发现正常男性个体对正性情绪图片加工与中性情绪图片不同,表现为P2、P3幅值增强.正性情绪图片诱发的P2[(8.16±4.99) μV vs(4.30±3.83)μV]、P3[(6.31±4.53) μV vs (4.27±4.16) μV]幅值明显高于中性情绪图片诱发的P2、P3幅值.结论正常男性对正性情绪存在注意偏向;其加工机制可能与情绪控制加工有关.
목적 운용사건상관전위기술연구정상성년남성대정성정서시부존재주의편향이급가능적가공궤제.방법 연구대상위18명성년건강남성,실험임무시대정성급중성정서도편적변광안색진행판단,계통자동기록피시적반응시급정학솔,Neuroscan32도뇌전의동시기록기뇌전특정.결과 행위학결과현시정상남성대량충정서도편반응시분별위[(628.11±55.46)ms] vs[(628.81±53.92)ms],정학솔분별위(96.87±4.42)％여(95.76±7.41)％균차이무통계학의의(P＞0.05);ERPs결과발현정상남성개체대정성정서도편가공여중성정서도편불동,표현위P2、P3폭치증강.정성정서도편유발적P2[(8.16±4.99) μV vs(4.30±3.83)μV]、P3[(6.31±4.53) μV vs (4.27±4.16) μV]폭치명현고우중성정서도편유발적P2、P3폭치.결론 정상남성대정성정서존재주의편향;기가공궤제가능여정서공제가공유관.
Objective To study the mechanism underlying attentional biases toward event-related potentials (ERPs) in healthy male subjects.Methods 18 male healthy subjects performed emotional stroop task by pressing the buttons to the picture border color of two categories including the neutral and positive.The RT and Accuracy were recorded automatically.The ERPs were recorded by Neuroscan system.Results The behavioral results showed that neither the reaction time (628.11 ± 55.46) ms vs (628.81 ± 53.92) ms nor accuracy (96.87 ± 4.42) ％ vs (95.76±7.41)％ found difference under two conditions.ERPs results showed that the positive pictures evoked more greater P2 ((8.16±4.99)μV vs (4.30±3.83)μV) and P3 ((6.31±4.53)μV vs (4.27±4.16)μV) than neutral pictures.Conclusion Attentional biases toward positive emotion can be found in healthy male subjects,which can be related to emotional control process.