网瘾者对真人愤怒面孔的记忆优势效应

Memory Advantage Effect of Real Angry Faces in Internet Addicts

目的:采用学习—再认范式探讨网瘾者对真人面孔和卡通面孔记忆加工的差异,以期揭示网瘾者偏好网络社交的深层动机,为网络成瘾的干预提供有效理论支持。方法:采用Young《网络成瘾量表》从382名青少年中,筛选出网瘾者15名,非网瘾控制组被试18名,以学习—再认范式来比较两组被试对真人、卡通两种面孔的表情记忆差异。结果:(1)相比于控制组被试,网瘾被试对愤怒面孔的记忆成绩优于其他表情面孔,存在负性表情面孔记忆优势;(2)网瘾被试对愤怒面孔的记忆优势在真人面孔中更明显,对真人愤怒面孔的记忆成绩更好。结论:相较于控制组被试,网瘾被试对真人愤怒面孔表现出记忆优势效应,存在负性记忆偏向。

Objective： The present studyused the learning-recognition paradigm to investigate the differences of memory processing between real expressional faces and cartoon expressional faces in Intemet addicts. Methods： Totally 382 adolescents were identified based on Young＇ s Online Internet Addiction Test（IAT）, from which 15 Internet addicts and 18 healthy control individuals（HCs） were selected. Results： （1）Compared with HCs, Internet addicts had memory advantage of negative faces relative to the other emotional faces. （2）More importantly, the memory advantage effect of negative faces in Internet addicts was more significant in real angry faces, showing better memory of real angry faces. Conclusion： Internet addicts have memory advantage effect of real angry faces relative to healthy subjects.