Justin MacKenzie, PhD

Research Interests

  • Clinical Health Psychology
  • Rehabilitation Psychology
  • Bariatric Surgery
  • Neuropsychology
  • Traumatic Brain Injury
  • Spinal Cord Injury
  • Stroke
  • Somatoform Disorders


  • English

Academic Information

  • Departments: Physical Medicine and Rehabilitation - Adjunct Assistant Professor

Academic Bio

Dr. MacKenzie is involved in a wide range of clinical, research, education, and training activities at the University of Utah. Clinically, Dr. MacKenzie provides inpatient, as well as, outpatient psychological/neuropsychological assessment and psychotherapy services for people who have experienced a variety of neurological conditions (including spinal cord injury, stroke, and traumatic brain injury). He is the current Interim Director for the Rehabilitation Psychology Clinic and the Director of Training for the University of Utah Rehabilitation Psychology Postdoctoral Fellowship Program. Dr. MacKenzie is also involved in research examining the influence of psychosocial factors on rehabilitation and bariatric surgery outcomes. More specifically, his current research interests examine the influence of interpersonal relationships and personality factors on physical and psychological health. Lastly, Dr. MacKenzie is involved in graduate level training for pre-doctoral psychology graduate students, training for APA psychology interns through the George E. Whalen Department of Veterans Affairs, post-doctoral training for rehabilitation psychology fellows, and education for pre-doctoral physical therapy students.

Education History

Type School Degree
Postdoctoral Fellowship University of Utah
Rehabilitation Psychology
Postdoctoral Fellow
Doctoral Training University of Utah
Clinical Psychology
Internship George E. Wahlen Department of Veterans Affairs Medical Center
Clinical Psychology
Predoctoral Internship
Graduate Training University of Utah
Undergraduate Arizona State University
B.Sc. (Hons)

Selected Publications

Journal Article

  1. Speed J, Musson M, MacKenzie JJ, Davis J (06/06/2016). Behavioral management of conversion disorder: Replication and extension. J Psychosom Res.
  2. MacKenzie JJ, Smith TW, Uchino BN, White PH, Light KC, Grewen KM (2014). Depressive symptoms, anger/hostility, and relationship quality in young couples. J Soc Clin Psychol, 33(4), 380-96.
  3. MacKenzie JJ, Smith TW, Uchino BN (2013). Cardiovascular reactivity during stressful speaking tasks in Mexican-American women: effects of language use and interaction partner ethnicity. J Behav Med, 36(6), 621-31.
  4. Smith TW, Uchino BN, MacKenzie J, Hicks AM, Campo RA, Reblin M, Grewen KM, Amico JA, Light KC (2013). Effects of couple interactions and relationship quality on plasma oxytocin and cardiovascular reactivity: empirical findings and methodological considerations. Int J Psychophysiol, 88(3), 271-81.
  5. Uchino BN, Cawthon RM, Smith TW, Light KC, MacKenzie J, Carlisle M, Gunn H, Birmingham W, Bowen K (2012). Social relationships and health: Is feeling positive, negative, or both (ambivalent) about your social ties related to telomeres? Health Psychol, 31(6), 789-96.
  6. Smith TW, Cribbet MR, Nealey-Moore JB, Uchino BN, Williams PG, MacKenzie J, Thayer JF (2011). Matters of the variable heart: respiratory sinus arrhythmia response to marital interaction and associations with marital quality. J Pers Soc Psychol, 100(1), 103-19.


  1. Smith TW, MacKenzie J (2006). Personality and risk of physical illness. [Review]. Annual Review of Clinical Psychology, 2, 435-67.


  1. Baron, C E, MacKenzie, J J, Smith, T W, Ibele, A R, amp Volckmann, E T (01/01/2016). Marital quality, anxiety, and depression in bariatric surgery candidates [Abstract]. Psychosomatic Medicine, 78(3), A81.
  2. Terrill, A, Einerson, J, Reblin, M, MacKenzie, J, Cardell, B, Berg, C, Majersik, J, amp Richards, L (7/1/2016). Promoting resilience in couples after stroke: Testing feasibility of a dyadic positive psychology-based intervention [Abstract]. Archives of Physical Medicine and Rehabilitation, 97(10), e62-e63.
  3. Chen, J, Zhai, Y, OLoughlin, J, Volckmann, E, MacKenzie, J, amp Ibele, A (7/1/2016). Higher BMI and weight related public distress may predict unnecessary returns to the emergency department following bariatric surgery [Abstract]. Surgery for Obesity and Related Disease, 12(7), S131-S132.
  4. Chen, J, MacKenzie, J, Zhai, Y, OLoughlin, J, Kohler, R, Morrrow, E, Ibele, A (2016). Preventing returns to the emergency department following bariatric surgery: Lessons learned from the early years of a bariatric program [Abstract]. Surgery for Obesity and Related Diseases, 12(7), S131.

Clinical Trials