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Anahita Bassir Nia, MD

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Anahita Bassir Nia, MD

Anahita Bassir Nia, MD

Research Psychiatrist

Clinical Neurosciences Division

See staff directory for contact information.

Academic Appointment

  • Yale University, School of Medicine, Assistant Professor of Psychiatry


  • Icahn School of Medicine at Mount Sinai, Department of Psychiatry, Addiction Psychiatry Fellowship 2018
  • Icahn School of Medicine at Mount Sinai Beth Israel, Department of Psychiatry, Psychiatry Residency 2016

Expertise and Interests

  • Endocannabinoid system alterations in response to trauma or chronic stress
  • Effects of trauma factors including developmental and accumulative effects on endocannabinoid system and stress response
  • Endocannabinoid system modulation in PTSD treatment and stress response
  • Endocannabinoid system alterations in relation to cannabis and opioid use in individuals with PTSD and chronic stress
  • Stress response in individuals with PTSD and history of trauma and chronic stress
  • Stress-induced relapse in comorbidity of opioid use disorder with PTSD and chronic stress

Membership in Professional Societies

  • American Academy of Addiction Psychiatry, Cannabis Interest Committee
  • American Society of Clinical Psychopharmacology, CME/Meeting Committee and Program Committee
  • College on Problems of Drug Dependence, Publication Committee
  • Society of Biological Psychiatry
  • American Psychiatric Association

Awards and Honors

  • Clinician Scientist Training Program (k12), Division of Substance Use, Department of Psychiatry, Yale School of Medicine (2019)
  • American Psychiatric Association (APA) Research Colloquium for Junior Investigators (2017)
  • Research in Addiction Medicine Scholars (RAMS) Program fellowship award (2016)
  • American Academy of Addiction Psychiatry (AAAP) fellow travel award (2016)

Selected Publications

Bassir Nia A, D'Souza C, Cosgrove K, Pietrzak R, Harpaz-Rotem I. Differential effects of childhood vs. adulthood trauma in cannabinoid receptor type 1 (CB1R) availability in post-traumatic stress disorder (PTSD): A review of literature and pilot positron emission tomography (PET) study. Biological Psychiatry 89(9, 1) 2021: S328-S329.

Bassir Nia, A., Mann, C.L., Spriggs, S., DeFrancisco, D., Carbonaro, S., Parvez, L., Galynker, I., Perkel, C., & Hurd, Y.L. (2019) The association between synthetic cannabinoid use in relation to psychosis and agitation in an inpatient population and sex implications. Journal of Clinical Psychiatry, 80(4).

Bassir, Nia, A., Bender, R., & Harpaz-Rotem, I. (2019) Endocannabinoid system alterations in posttraumatic stress disorder: A review of developmental and accumulative effects of trauma. Chronic Stress, 3: 1-17.

Bassir, Nia, A., Mann, C., Kaur, H., Ranganathan, M. (2018) Cannabis use: Neurobiological, behavioral, and sex/gender considerations. Current Behavioral Neuroscience Report, 5(4):271-280.

Bassir, Nia, A. (2018) Opioid addiction and borderline personality disorder. American Journal of Addiction, 27(1):54-55.

Bassir, Nia, A. Hurd YL. (2018) Cannabidiol, an adjunct player in the antipsychosis arsenal. American Journal of Psychiatry, 175(3), 197-198.

Members of the press interested in scheduling an interview please see the contact for the media page.

PTSD Information Voice Mail: (802) 296-6300
Also see: VA Mental Health