Cognitive Rehabilitation and Exposure-based Class for Compulsive Hoarding

The purpose of this protocol is to investigate the effectiveness of a manualized, 20-week group cognitive rehabilitation (CR) and exposure therapy (ET) course for compulsive hoarding. The overarching aim is to understand whether this course will decrease the core symptoms of hoarding and associated features.

Inclusion Criteria: * Include: * Individuals who exhibit subclinical and clinical levels of hoarding disorder, as determined by the SCID interview conducted at the screening assessment, will be eligible to participate in the study. Individuals may also display clinically relevant symptoms of hoarding as indicated by scores on the Hoarding Rating Scale Interview (HRS-I) and/or on the Saving Inventory-Revised (SIR). * Comorbid mood and anxiety disorders are permitted. * English-speaking * Pregnant women Exclusion Criteria: * Adults unable to consent * Individuals who are not yet adults (infants, children, teenagers) * Individuals who are over the age of 85 * Individuals with cognitive or physical impairments that would interfere with their participation (e.g., Dementia, uncorrected hearing) * Participants who have current or past psychotic symptoms or current or past alcohol/substance abuse/dependence may also be excluded. * Participants may also be excluded if they are currently in other forms of psychotherapy. * Participants may be excluded if they have had a change in psychotropic medications within three months of the baseline assessment/first class. * Participants may be excluded if hoarding is not their primary diagnosis. * Prisoners