Abstract
Obsessive-Compulsive Disorder (OCD) is characterized by obsessions (intrusive thoughts) and compulsions (repetitive acts), often associated with concerns about symmetry, patterns, and hygiene. Functional near-infrared spectroscopy (fNIRS) allows noninvasive and real-time monitoring of cerebral blood oxygenation, making it an ideal device for detecting hemodynamic changes in situations suc…