Neural Mechanisms of Decision Making in Hoarding Disorder

Identify inclusion criteria. Inclusion criteria for participants diagnosed with HD: 1. ages 18-70 2. primary diagnosis of hoarding disorder 3. sufficient severity of hoarding symptoms 4. stable on psychotropic medications for 1 month prior to study enrollment 5. capacity to provide informed consent 6. ability to tolerate clinical study procedures Inclusion criteria for healthy control participants: 1. ages 18-70 2. capacity to provide informed consent Identify exclusion criteria. Exclusion criteria for participants with HD: 1. psychiatric or medical conditions that make participation unsafe 2. pregnant or nursing females 3. concurrent use of any medications that might increase the risk of participation (e.g. drug interactions) 4. presence of metallic device or dental braces Exclusion criteria for healthy control participants: 1. any current or lifetime psychiatric diagnosis 2. current or past use of psychotropic medication 3. pregnant or nursing females 4. major medical or neurological problem 5. presence of metallic device or dental braces