Tania “Abby” Ortiz Dominguez, M.D. Titles and Appointments Associate Professor Schools Medical School | Graduate School Departments Psychiatry Graduate Programs Biomedical Engineering You have reached the Academic Profile. For more information on the doctor and patient care, please visit the clinical profile. Biography Dr. Ortiz completed her medical training in Mexico and her postgraduate studies at McGill University and Dalhousie University. She is an Associate Professor at the Department of Psychiatry at UT Southwestern, where she leads the Computational Psychiatry Program. As an expert in bipolar disorder, her research focuses on understanding mood regulation and forecasting episodes of illness using mathematical models and wearable technology. For her work, Dr. Ortiz has been presented with more than 15 awards in her career, including the Samuel Gershon Award by the International Society of Bipolar Disorders, and the Clinical Innovator of the Year by Digital Health Canada. As a Principal Investigator, she has secured national and international funding from the National Institutes of Mental Health (NIMH), the Canadian Institutes for Health Research (CIHR), and the American Foundation for Suicide Prevention (AFSP). Research Interest Forecasting episodes of illness using mathematical models and wearable technology Understanding mood regulation Publications Featured Publications The futility of long-term predictions in bipolar disorder: mood fluctuations are the result of deterministic chaotic processes. Ortiz A, Bradler K, Mowete M, MacLean S, Garnham J, Slaney C, Mulsant BH, Alda M, Int J Bipolar Disord 2021 Oct 9 1 30 Reduced heart rate variability is associated with higher illness burden in bipolar disorder. Ortiz A, Bradler K, Moorti P, MacLean S, Husain MI, Sanches M, Goldstein BI, Alda M, Mulsant BH, J Psychosom Res 2021 Jun 145 110478 Nonlinear dynamics of mood regulation in unaffected first-degree relatives of bipolar disorder patients. A O, K B, J G, C S, S M, M A, J Affect Disord 2019 Jan 243 274-279 Episode forecasting in bipolar disorder: Is energy better than mood? Ortiz A, Bradler K, Hintze A, Bipolar Disord 2018 Jan Nonlinear dynamics of mood regulation in bipolar disorder. Ortiz A, Bradler K, Garnham J, Slaney C, Alda M, Bipolar Disord 2015 Mar 17 2 139-49 A systematic exploration of digital biomarkers for the detection of depressive episodes in bipolar disorder. Halabi R, Mulsant BH, Tolend M, Blumberger DM, DeShaw A, Hintze A, Gonzalez-Torres C, Husain MI, Kim HK, O'Donovan C, Alda M, Ortiz A, Npj Ment Health Res 2026 Feb 5 1 Beyond Step Count: Are We Ready to Use Digital Phenotyping to Make Actionable Individual Predictions in Psychiatry? Ortiz A, Mulsant BH, J Med Internet Res 2024 Aug 26 e59826 Challenges in defining treatment-resistant mania in adults: A systematic review. Gonzalez-Torres C, Mulsant BH, Husain MI, Alda M, Young RC, Ortiz A, Bipolar Disord 2024 Feb 26 1 7-21 A History of Suicide Attempt Is Associated with Increased Sympathetic Activation in Bipolar Disorder. Ortiz A, Park Y, MacLean S, Husain MI, Sanches M, Ravindran A, Mulsant BH, Can J Psychiatry 2024 Feb 69 2 126-137 The Role of Daily Steps in the Treatment of Major Depressive Disorder: Secondary Analysis of a Randomized Controlled Trial of a 6-Month Internet-Based, Mindfulness-Based Cognitive Behavioral Therapy Intervention for Youth. Dang K, Ritvo P, Katz J, Gratzer D, Knyahnytska Y, Ortiz A, Walters C, Attia M, Gonzalez-Torres C, Lustig A, Daskalakis Z, Interact J Med Res 2023 Dec 12 e46419 Results 1-10 of 12 1 2 Next Last Honors & Awards Clinical Innovator of the Year, Digital Health Canada (2023) Samuel Gershon Award for Junior Investigators, International Society for Bipolar DisordersThis is a prestigious award for the best research paper in the field of bipolar disorder by a junior researcher. The award was given for a paper on the mathematical modeling of sleep trajectories in bipolar disorder. (2016) Professional Associations/Affiliations ACNP Underrepresented Minority Task Force (2014) Canadian College of Psychopharmacology (2010) International Group for the Study of Lithium (IGSLi) (2023) International Mood Network (2016) International Society for Bipolar Disorders (2012) Royal College of Physicians and Surgeons of Canada (2012) Society for Biological Psychiatry (2017) Society for Chaos Theory in Psychology and Life Sciences (2022)
