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  • Matthew T. Tull, PhD

     tull, matthew

    Associate Professor
    Director of Anxiety Disorder Research and
    Anxiety Disorders Treatment Clinic
    Phone: (601) 815-6518


    • BA - Wake Forest University, Winston-Salem, NC, 1998
    • MA - Experimental psychology, Southern Methodist University, 2000
    • PhD - Clinical psychology, University of Massachusetts, 2005


    • Clinical internship, Boston Consortium in Clinical Psychology (rotations at Boston VA Outpatient Clinic, Residential Substance Abuse Treatment Center and the National Center for PTSD, Behavioral Sciences Division), 2004-05
    • Postdoctoral Fellow, Center for Addictions, Personality and Emotion Research, University of Maryland, College Park, MD, 2005-06
    • Research assistant professor, Department of Psychology, and Director of Emotion Research, Center for Addictions, Personality and Emotion Research, University of Maryland, 2006-08
    • Assistant professor, Division of Psychology, Department of Psychiatry and Human Behavior, University of Mississippi Medical Center, Jackson, MS, 2008-present

    Research interests

    Dr. Tull's research broadly focuses on understanding the role of difficulties in emotion regulation (especially in the form of emotional avoidance) in the development and maintenance of the anxiety disorders, with a particular focus on PTSD, panic disorder, and generalized anxiety disorder. His current research focuses on examining the emotionally avoidant function of substance use among individuals with PTSD, as well as the negative clinical outcomes associated with the presence of co-occurring PTSD among substance users (e.g., substance abuse treatment drop-out, engagement in HIV-risk behaviors).

    Dr. Tull has been the recipient of two grants from the National Institute on Drug Abuse and currently serves as co-investigator on a grant funded by the National Institute of Mental Health (PI: Kim L. Gratz, PhD) and a grant from the Canadian Institutes of Health Research (Neurosciences, Mental Health, and Addiction) (PIs: Alex Chapman, PhD, and Kim L. Gratz, PhD).