ArticleBehavioral and brain functions : BBF2026
Developmental trajectories of prefrontal activation underlying emotional inhibitory control from adolescence to young adulthood: a functional near-infrared spectroscopy study.
Article in Behavioral and brain functions : BBF, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
backgroundUnderstanding the neural maturation of emotional inhibitory control (IC) from adolescence to young adulthood is critical but remains incompletely characterized. The present study examined age-related differences in prefrontal activation during emotional conflict processing using functional near-infrared spectroscopy (fNIRS).
methodsTwenty-six adolescents (ages 13-16, 15 male) and thirty young adults (ages 18-22, 16 male) completed an emotional Flanker task while behavioral responses and prefrontal hemodynamic activity were recorded with fNIRS.
resultsBoth groups exhibited a significant emotional Flanker effect, with slower responses on incongruent than congruent trials. fNIRS results suggested age-related differences in prefrontal recruitment patterns. Adolescents showed relatively stronger O
conclusionsThese findings suggest a developmental shift from relatively focal, right-lateralized prefrontal engagement in adolescence to more distributed bilateral recruitment in young adulthood. Such age-related differences may reflect changes in cognitive strategies alongside ongoing maturation of prefrontal networks, with localized right-sided activation in adolescents supporting behavioral performance through compensatory engagement and bilateral recruitment in young adults reflecting greater network integration and neural efficiency.
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