Longitudinal changes in MMN and P3 during emotional processing in adolescents who engage in NSSI: a 12-week follow-up study - Takeaways - MDSpire

Longitudinal changes in MMN and P3 during emotional processing in adolescents who engage in NSSI: a 12-week follow-up study

  • By

  • Jianqiang Bi

  • Pei Liu

  • Zhenpeng Xue

  • Xiujuan Li

  • Qiang Xu

  • Yanbin Jia

  • Jianping Lu

  • June 10, 2026

  • 0 min

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  • 1

    A 12-week clinical intervention reduced self-injury ideation days and NSSI episode frequency in adolescents with NSSI.

  • 2

    The intervention decreased MMN amplitude to negative stimuli, indicating reduced automatic detection of negative emotional information.

  • 3

    P3 amplitude to negative stimuli increased post-intervention, suggesting enhanced controlled evaluation of negative emotions.

  • 4

    Responses to positive and neutral conditions remained stable, indicating specific effects of the intervention on negative stimuli.

  • 5

    MMN and P3 may serve as biomarkers for tracking intervention responses in adolescents with NSSI.

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