| Objectives:To explore the effects of childhood psychological abuse on attention bias and positive emotion induction in individuals with different negative emotional faces.Methods:（1）The Child Psychological Abuse Scale was distributed to 1918college students to screen the required subjects.（2）In experiment 1,30 psychological victims and 30 non-psychological victims were selected,and the modified point detection paradigm was used to measure the attention bias of the subjects.A mixed experimental design was adopted:2（group:psychological abuse group,non-psychological abuse group）×4（face nature:anger,disgust,sadness,pleasure）×2（consistency:agreement,inconsistency）.（3）In experiment 2,positive emotion video"Love Apartment"and neutral emotion video"Landscape of the Earth"were selected for emotional induction.Fifty other psychological masochists were randomly divided into two groups of 25 each.Before and after watching the videos of each group,they filled in the positive and negative Emotion Scale,and then performed the dot detection task.A mixed experimental design of 2（group:positive emotion evoked group,neutral emotion group）×4（face nature:anger,disgust,sadness,pleasure）×2（consistency:consistency,inconsistency）was adopted.Results:In experiment 1,（1）The masochistic group responded significantly faster to angry,disgusted and sad faces in the consistent condition than in the inconsistent condition.（2）Under inconsistent conditions,the response of the masochistic group to angry,disgusted and sad faces was significantly slower than that of happy faces,in which RT sad>RT disgusted>RT angry>RT happy.（3）When disgust and sadness were presented for 500ms,the response time of psychological masochists under inconsistency was significantly greater than that of baseline response,showing obvious disengagement difficulties.In experiment 2,under the induction of positive emotions,there was no significant difference between the response time of childhood psychologically abused individuals to the three negative emotional faces of anger,disgust and sadness when they were consistent and when they were inconsistent,while the response time of neutral emotional group individuals to the three negative emotional faces when they were inconsistent was significantly longer than that when they were consistent.Conclusions:（1）There was an attentional bias towards negative emotional faces in childhood psychological abuse.（2）At 500ms,compared with angry faces,the psychological abused individuals in childhood tended to pay more attention to sad and aversive faces,which was manifested as difficulty in dissolving attention.（3）Positive emotion induction could effectively weaken the attention bias of psychological abused individuals in childhood to negative emotional faces. |
