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Paul S. Regier

4 papers in the library · publishing 2021-2026

Papers

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Progressing from Simple to Multidimensional Models Towards a Biopsychosocial Framework of Addiction

Current Addiction Reports June 11, 2026 Paul S. Regier

Purpose of Review: Neuroscientific models of addiction have evolved over the past four decades from single-circuit dopamine frameworks to dual-process, tripartite, and multidimensional accounts. Despite these advances, existing models incompletely account for the lived experience of addiction and for developmental, social, and mental-health factors that contribute to heterogeneity in risk and...

Lifetime psychedelic use and opioid use disorder severity in a National Survey: the roles of psychedelic type and mental health.

Addictive behaviors June 1, 2026 Sebastian Ehmann, Nathan M. Hager, Paul S. Regier et al.

Opioid use disorder (OUD) remains a major public health crisis in the United States, with mental health disorders substantially increasing risk severity. Emerging evidence suggests psychedelics may relate to reduced OUD risk. This exploratory study examined associations between lifetime psychedelic use and OUD severity and tested whether these associations varied by mental health impairment....

Lifetime Psychedelic Use and Opioid Use Disorder Severity: Substance-Use Pattern Specific and Mental Health–Dependent Associations in a National Survey

PsyArXiv November 2, 2025 Sebastian Ehmann, Nathan M. Hager, Paul S. Regier et al. preprint

Lifetime Psychedelic Use and Opioid Use Disorder Severity: Substance-Use Pattern Specific and Mental Health–Dependent Associations in a National Survey

Classic psychedelics in the treatment of substance use disorder: Potential synergies with twelve-step programs.

The International journal on drug policy December 1, 2021 David B. Yaden, Andrea P Berghella, Paul S. Regier et al.

Several pilot studies have provided evidence supporting the potential of classic psychedelics like psilocybin in the treatment of substance use disorders (SUDs). If larger trials confirm efficacy, classic psychedelic-assisted psychotherapy may eventually be integrated into existing addiction treatments such as cognitive behavioral therapy, contingency management, and medication-assisted...