青少年藥物濫用是世界各國所關心的重大健康與社會治安議題,青少年藥物濫用行為深受同儕團體所影響。本研究欲了解社會排斥如何影響藥物濫用青少年,以問卷測量藥物濫用青少年組(實驗組)、非藥物濫用青少年組(對照組1)及一般青少年組(對照組2)在拒絕敏感度、負向情緒調控及需求威脅上的差異,同時採用腻波儀測量三組參與者在電腻化丟球遊戲(Cyberball task) 的腻波差異,以了解社會排斥對青少年藥物濫用行為的影響為何。問卷結果顯示於拒絕敏感度、負向情緒調控及需求威脅上,藥物濫用青少年皆與非藥物濫用者沒有差異,腻波研究結果則發現實驗組之回饋相關負波(feedback related-negativity, FRN) 顯著低於對照組2,回饋相關負波的出現與回饋監控的系統有關,當反應的結果(例如,金錢的遺失、錯誤的反應)比自己所預期更糟糕時而產生。與一般人相比,藥物濫用青少年回饋監控系統的弱化,可能使其於社交互動中,因缺乏同理他人,或自身行為監控能力的不足,導致丟球遊戲中的排斥階段,並非其預期之外的情境。藥物濫用青少年在回饋監控的系統的弱化為使其濫用藥物的可能原因。
Drug abuse in adolescents is a major concern in terms of both health and social security issues world-wide. One aspect of adolescent drug-related behavior is the effects of influence from their peer group. This study was designed to investigate how social exclusion affects adolescents with drug abuse. Questionnaires relating to rejection sensitivity, negative emotion regulation, and need-threat were used to assess the difference between adolescents with drug abuse in a reform school (experimental group), non-drug abuse adolescents in the reform school (control group 1) and normal senior high school students (control group 2). In addition, the Cyberball task combined with event-related potentials (ERPs) was used to investigate the effects of social exclusion in these adolescents. The results of the questionnaires showed that the experimental group did not differ from other two matched control groups in rejection sensitivity, negative emotion regulation or need-threat. The ERP results showed the feedback-related negativity (FRN) of the experimental group was significantly lower than that of control group 2. This component is related to the feedback monitoring system, and is seen when the result of the response (e.g., loss of money or an error) is worse than expectation. The difference seen may reflect the adolescents with drug abuse having a lack of empathy, and so less of an effect of social rejection.