Substantial changes in cognitive-affective self-referential processing occur during adolescence. We studied the behavioral and ERP correlates of self-evaluation in healthy male and female adolescents aged 12-17 (N=109). Participants completed assessments of depression symptoms and puberty as well as a self-referential encoding task while 128-channel high-density EEG data were collected. Depression symptom severity was associated with increased endorsement of negative words and longer reaction times. In an extreme group analysis, a negative appraisal-bias subsample (n = 28) displayed decreased frontal P2 amplitudes to both positive and negative word stimuli, reflecting reduced early attentional processing and emotional salience. Compared to the positive appraisal-bias subsample (n = 27), the negative appraisal-bias subsample showed reduced LPP to positive words but not negative words, suggesting attenuated sustained processing of positive self-relevant stimuli. Findings are discussed in terms of neural processes associated with ERPs during negative versus positive self-appraisal bias, and developmental implications.

中文翻译：

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杯子是半空的：消极的自我评价偏见和对青春期积极自我评价的减弱的神经反应。

认知情感的自我参照处理发生在青春期的重大变化。我们研究了 12-17 岁健康男性和女性青少年（N=109）自我评价的行为和 ERP 相关性。参与者完成了对抑郁症状和青春期的评估以及自我参照编码任务，同时收集了 128 通道高密度 EEG 数据。抑郁症状的严重程度与消极词背书的增加和反应时间的延长有关。在极端组分析中，负面评估偏差子样本（n = 28）显示正面和负面词刺激的额叶 P2 振幅降低，反映早期注意力处理和情绪显着性降低。与正评估偏差子样本（n = 27）相比，负面评价偏向子样本显示 LPP 减少到正面词而不是负面词，表明对积极的自我相关刺激的持续处理减弱。在消极与积极的自我评价偏见期间，根据与 ERP 相关的神经过程和发展影响来讨论结果。