Background: Children with ADHD exhibit deficits not only with attentional control but also with emotional dysregulation and experiential avoidance. Acceptance and Commitment Therapy (ACT) directly targets these processes by enhancing psychological flexibility and reducing maladaptive responses to internal experiences. Functional Near-Infrared Spectroscopy (fNIRS) offers a feasible and reliable method for assessing cortical hemodynamics in the ADHD population due to its portability and robustness…
