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Rhonda M Merwin

Professor in Psychiatry and Behavioral Sciences
Psychiatry & Behavioral Sciences, Adult Psychiatry & Psychology
Box 3320 Med Ctr, Durham, NC 27710
2400 Pratt Street, Durham, NC 27705

Overview


Rhonda M. Merwin, PhD, is a Professor in the Department of Psychiatry and Behavioral Sciences. Dr. Merwin has expertise in eating disorders, Acceptance and Commitment Therapy (ACT), and psychological concerns in the management of Type 1 diabetes. She a Fellow and the current President of the Association for Contextual Behavioral Science, and 1 of 116 peer-reviewed ACT trainers worldwide. Dr. Merwin is leading work to address eating disorders in type 1 diabetes, a dangerous comorbidity that disproportionately affects women, and studies on the mechanisms of eating disorder development, maintenance and processes of change, and digital early interventions. Her research is funded by the National Institutes of Health (e.g., NIDDK, NIMH) and Breakthrough T1D (formerly the Juvenile Diabetes Research Foundation, JDRF), among other sponsors. Dr. Merwin is the author of ACT for Anorexia: A Guide for Clinicians. Her lab focuses on problematic eating and weight control, or more broadly, problems that arise from an adversarial relationship with the body or the body's cues, and/or difficulty reading and responding to internal cues to meet one's physical and emotional needs. Her treatment development work integrates digital and mobile technologies to increase treatment access and for momentary assessment and intervention. Dr. Merwin directs the ACT Clinic at Duke which provides clinical services in ACT and in-depth training in ACT for psychiatry residents, clinical psychology graduate students, interns and fellows. She also teaches a psychotherapy course for psychiatry residents in the School of Medicine and conducts continuing education events/workshops locally, nationally and internationally. For more information about Dr. Merwin's research, education and clinical activities, see ACTatDuke.org.

Current Appointments & Affiliations


Professor in Psychiatry and Behavioral Sciences · 2025 - Present Psychiatry & Behavioral Sciences, Adult Psychiatry & Psychology, Psychiatry & Behavioral Sciences

Recent Publications


Psychological Inflexibility's Associations With Lifetime Anxiety Disorders.

Journal Article J Clin Psychol · March 25, 2026 BACKGROUND: Anxiety has protective functions and could be considered evolutionarily adaptive. Yet, anxiety can also become problematic, and anxiety disorders are common and costly. The present study tested a transdiagnostic conceptualization of anxiety dis ... Full text Link to item Cite

Association of eating disorders and/or insulin omission with impaired glycaemic control in persons living with type 1 diabetes: cross-sectional analysis of the French SFDT1 study.

Journal Article BMJ Open · March 19, 2026 OBJECTIVE: To address whether eating disorders (ED) or insulin omission (IOM) in adult persons living with type 1 diabetes (pwT1D) are associated with impaired glycaemic control. DESIGN: Cross-sectional analysis. SETTINGS: The French-Speaking Diabetes Soci ... Full text Link to item Cite

Ambulatory Cognitive Function and Cognitive Dispersion among Individuals with Type I Diabetes: Examining Biobehavioral and Glycemic Correlates.

Journal Article Arch Clin Neuropsychol · February 27, 2026 AIMS: Diabetes mellitus (DM) is widely regarded as an important risk factor for Alzheimer's Disease and Related Dementias (ADRD), with higher blood glucose variability (BGV) associating with greater ADRD risk. Few studies have linked BGV with ambulatory co ... Full text Link to item Cite
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Recent Grants


FlexED: A Digital, Gamified Early Intervention for Eating Disorders based on Acceptance and Commitment Therapy

ResearchPrincipal Investigator · Awarded by National Institute of Mental Health · 2025 - 2028

Changing the T1DE: A randomized controlled trial comparing ACT to supportive diabetes counseling

ResearchPrincipal Investigator · Awarded by Juvenile Diabetes Research Foundation · 2022 - 2027

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Education


University of Mississippi · 2006 Ph.D.

External Links


ACT at Duke