Neural Mechanisms of Response Inhibition Training for OCRD

Description

The impaired ability to suppress an inappropriate but pre-potent response (response inhibition; RI) characterizes several debilitating clinical problems, including obsessive-compulsive and related disorders (OCRD) such as obsessive-compulsive disorder, trichotillomania, and skin picking disorder. There is a critical need to develop an effective and durable treatment for OCRDs with demonstrable evidence for improving impaired RI. The purpose of our project is to examine the impact of a novel computerized intervention, response inhibition training (RIT), on neural indices of RI, and examine the mechanistic link between engagement of the neural RI targets and change in OCRD symptoms. To this end, this project will conduct a randomized clinical trial for individuals with OCD, trichotillomania, and/or skin picking disorders. Participants will be randomly assigned to 8 to 16 sessions of computerized RIT or a computerized placebo training. Various clinical, behavioral, and brain-imaging data will be acquired to evaluate the training effects at baseline, post-training, and 1-month follow-up periods.

Conditions

Obsessive-Compulsive Disorder, Tricholemmoma, Skin-Picking

Study Overview

Study Details

Study overview

The impaired ability to suppress an inappropriate but pre-potent response (response inhibition; RI) characterizes several debilitating clinical problems, including obsessive-compulsive and related disorders (OCRD) such as obsessive-compulsive disorder, trichotillomania, and skin picking disorder. There is a critical need to develop an effective and durable treatment for OCRDs with demonstrable evidence for improving impaired RI. The purpose of our project is to examine the impact of a novel computerized intervention, response inhibition training (RIT), on neural indices of RI, and examine the mechanistic link between engagement of the neural RI targets and change in OCRD symptoms. To this end, this project will conduct a randomized clinical trial for individuals with OCD, trichotillomania, and/or skin picking disorders. Participants will be randomly assigned to 8 to 16 sessions of computerized RIT or a computerized placebo training. Various clinical, behavioral, and brain-imaging data will be acquired to evaluate the training effects at baseline, post-training, and 1-month follow-up periods.

Neural Mechanisms of Response Inhibition Training for Obsessive-Compulsive Disorder and Related Conditions

Neural Mechanisms of Response Inhibition Training for OCRD

Condition
Obsessive-Compulsive Disorder
Intervention / Treatment

-

Contacts and Locations

Milwaukee

UWM Anxiety Disorders Laboratory, Milwaukee, Wisconsin, United States, 53211

Participation Criteria

Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.

For general information about clinical research, read Learn About Studies.

Eligibility Criteria

  • * age between 18 and 60
  • * moderate level of OCRD symptoms (Yale-Brown Obsessive Compulsive Scale total ≥ 16, Massachusetts General Hospital-Hair pulling Scale total ≥ 12, or Skin Picking Scale-Revised total ≥ 7)
  • * a primary diagnosis of OCRD (i.e., OCD, TTM, or SPD)
  • * estimated IQ \> 80
  • * presence of a RI deficits (SSRT ≥ 215ms).
  • * Current substance use disorder
  • * Severe ADHD
  • * Lifetime diagnosis of psychotic disorder, bipolar disorder, or schizophrenia
  • * Current psychotherapy
  • * Change in psychotropic medication status within 8 weeks before the study or during the study
  • * Use of stimulant medication
  • * Active suicidal risk
  • * Contraindications for MRI procedures

Ages Eligible for Study

18 Years to 60 Years

Sexes Eligible for Study

ALL

Accepts Healthy Volunteers

No

Collaborators and Investigators

University of Wisconsin, Milwaukee,

Hanjoo Lee, Ph.D., PRINCIPAL_INVESTIGATOR, University of Wisconsin, Milwaukee

Christine Larson, Ph.D., PRINCIPAL_INVESTIGATOR, University of Wisconsin, Milwaukee

Study Record Dates

2027-08