Impulsivity, Temporal Processing, and Non-Suicidal Self-Injury in Adolescents: Insights from Behavioral and fNIRS Research

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Adolescents with non-suicidal self-injury (NSSI) show significantly higher impulsivity and temporal processing deficits compared to typically developing peers.
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The study identified impulsivity, short-interval temporal discrimination, and time estimation bias as predictors of NSSI in adolescents.
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Neuroimaging revealed lower accuracy on cognitive tasks and hypoactivation in the left dorsolateral prefrontal cortex among adolescents with NSSI.
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NSSI is associated with a dual failure of inhibitory control and temporal processing, suggesting a need for targeted interventions.
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The findings highlight the importance of understanding neuropsychological mechanisms underlying NSSI for effective public health strategies.

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