what is pans syndrome
From Wikipedia, the free encyclopedia. Pediatric acute-onset neuropsychiatric syndrome (PANS) is a neuropsychiatric syndrome still under research, leading to rapid onset Obsessive-compulsive disorder (OCD) and/or tics in children and adolescents.his portion of the brain is responsible for mediating cognition, emotion, and movement. Research into the etiology of obsessive-compulsive disorder has identified dysfunctions of the basal ganglia as a key factor for the onset of OCD. A similar syndrome in adults is known as Post-inflammatory Brain Syndrome (PIBS).