Regulating Together for Prader-Willi Syndrome: A Group Behavioral Therapy for Emotion Dysregulation

Child Participant Inclusion Criteria: * Ages 13-17.5 years * Confirmed genetic diagnosis of Prader-Willi Syndrome * Fluent in spoken English * Adolescent's use of flexible phrase speech or greater * Meeting clinically significant emotional dysregulation criteria * Willing to participate in weekly 90-minute group sessions * Family is willing to keep prescribed psychiatric medication and outside behavioral interventions stable * Parent, guardian, or legally authorized representative must provide written permission on behalf of the participant Child Participant Exclusion Criteria: * Initiation of new psychosocial intervention within 30 days prior to first day of treatment * Presence of physical aggression in the adolescent directed towards a peer outside the home that resulted in injury within 30 days prior to screening * Presence of comorbid major neuropsychiatric illness warranting other treatment approaches * Presence of any major sensory impairment that would limit participating in the material including blindness or uncorrected hearing loss Caregiver Inclusion Criteria: * Age ≥ 18 years * Lives and cares for their child with PWS for \> 50% of the year * Fluent in spoken English * Willing to participate in twice weekly 90-minute sessions, including one virtual session weekly Caregiver Exclusion Criteria: -Presence of any major sensory impairment that would limit participating in the material including blindness or uncorrected hearing loss