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The effect of moral identity on facial emotion processing in adolescents with hearing loss: An ERP study

Frontiers in Neuroscience

Abstract


Objective: This study examines whether the moral character of others influences the recognition of facial emotion expressions in adolescents with hearing loss and compares these effects with adolescents with typical hearing. Method: We used a moral priming paradigm to investigate the neural mechanisms of facial emotion perception (happy, neutral, and angry) in moral contexts (high moral, low moral). Event-related potentials (ERP) were used to assess brain responses. Results: Adolescents with typical hearing judged emotional valence independently of moral context, while adolescents with hearing loss rated faces with low moral levels more negatively. ERP analysis revealed early-stage moral information processing (N1, P1) in adolescents with typical hearing, whereas in adolescents with hearing loss, moral effects appeared in the middle (N2) and late stages (LPP). Conclusions: These findings highlight distinct neurocognitive mechanisms of emotion recognition in adolescents with hearing loss and emphasize the impact of moral identity on their emotional judgments.

Frontiers in Neuroscience Vol. 19 2025


Authors

Jian, M., Hu, Y., Yang, J., & Chen, J.

  https://doi.org/10.3389/fnins.2025.1559627

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