Faculty

Gretchen L Haas, PhD

Associate Professor of Psychiatry and Psychology

Contact Details

3811 O'Hara St.
Pittsburgh
 
PA
 
15213
Email
Assistant
Deborah Orand

Education & Training

PhD
Clinical Psychology, Wayne State University, College of Liberal Arts and Sciences
MA
Psychology, Wayne State University, College of Liberal Arts and Sciences
Clinical Psychology (Child), Children's Hospital of Michigan
Clinical Psychology (Adult), VA Medical Center, Allen Park
Psychoanalysis and Psychoanalytic Psychotherapy, Postgraduate Center for Mental Health

Professional Affiliations

President of the Board, American Foundation for Suicide Prevention
Chair, Scientific Council, American Foundation for Suicide Prevention
Member, American Psychological Association
Member, Society for Neuroscience
Member, Society for Biological Psychiatry
Member, International Early Psychosis Association

Selected Honors & Awards

2024 Excellence in Research Award, VA Pittsburgh Healthcare System, Department of Veterans Affairs
Levy Foundation Award for Schizophrenia Research, Stephen Levy Foundation

Research Interests

Schizophrenia and psychotic disorders; Prodromal indicators of risk for psychosis; Etiology & risk for suicide in psychosis
Selected Research Publications & Products
  1. Pless LL, Mitchell-Miland C, Seo YJ, Bennett CB, Freyberg Z, Haas GL. Psychiatric factors predict type 2 diabetes mellitus in US Veterans. Nature: Schizophrenia, 2025 Apr 17;11(1):63. https://doi: 10.1038/s41537-025-00616-y. PMID: 40240769, PMCID: PMC12003899
  2. Haudrich EA, Burns EK, Gupta T, Haas GL, Horton LE. The day-to-day influence of trauma exposure and sleep dysfunction on everyday stress in youth at familial high-risk for psychotic disorders. Schizophr Res, 2024 Dec:274:535-544. https://doi: 0.1016/j.schres.2024.10.024. PMID:39586206 PMCID: PMC11803678
  3. Hill SY, Jones BL, Haas GL. Suicidal ideation and aggression in childhood, genetic variation and young adult depression. J Affect Disord. 2020 Jul 24;276:954-962. doi: 10.1016/j.jad.2020.07.049. PMID: 32745832
  4. Horton, LE, Bridgwater, MA, & Haas, GL. Emotion recognition and social skills in child and adolescent offspring of parents with schizophrenia. Cognitive Neuropsychiatry, 2017 22(3), 175185. https://doi.org/10.1080/13546805.2017.1297223
  5. Haas GL, Garratt LS, Sweeney JA: Delay to first antipsychotic medication in schizophrenia: Impact on symptomatology and clinical course of illness. J Psychiatr Res May-Aug 1998, 32(3-4):151-9. PMID: 9793868.

Clinical Interests

Schizophrenia & psychotic disorders; Precision mental health; Suicidal behavior in schizophrenia
Selected Clinical Publications & Products
  1. Rubin LH, Haas GL, Keshavan MS, Sweeney JA, Maki PM. Sex difference in cognitive response to antipsychotic treatment in frist-episode schizophrenia. Neuropsychopharm, 33(2):290-7, 2008 Jan. PMID: 17392734; PMCID: PMC4394734; NIHMSID: NIHMS478562
  2. Haas GL, Glick ID, Clarkin JF, Spencer JH, Lewis AB: Gender and schizophrenia outcome: A clinical trial of an inpatient family intervention. Schizophr Bull 1990, 16(2):277-92. PMID: 2197716
  3. SorecaI, Boudreaux-KellyM, Y, HaasGL.The impact of the global pandemic on Veterans with serious mental illness (SMI): Healthcare utilization and mortality. Behav Sci (Basel), 2024 Apr 24;14(5):356. https://doi: 10.3390/bs14050356. PMID: 38785847 PMCID: PMC11117568
  4. Inpatient family intervention: a randomized clinical trial. II. Results at hospital discharge. Arch Gen Psychiatry Mar 1988, 45(3):217-24. PMID: 3277578.
  5. Miranda O, Qi X, Brannock MD, Whitworth R, Kosten T, Ryan ND, Haas GL, Kirisci L, Wang L. Emulating a randomized clinical trial with real-world data to evaluate the effect of antidepressant use in PTSD patients with high suicide risk. Front Psychiatry. 2025 Jan 28;15:1526488. doi: 10.3389/fpsyt.2024.1526488. PMID: 39935628; PMCID: PMC11811752.

Education Interests

Research mentorship/postdoctoral research training; Medical student/resident education; Psychology internship training
Selected Education Publications & Products
  1. Haas, GL. Suicide. Comprehensive Review of Psychiatry (Psychiatry Board Review) Oakstone Publishing/CME, video lecture series. 2024.
  2. Kasckow, J., Appelt, C., Haas, G., Huegel, S., Fox, L., Gurklis, J. & Daley, D. Development of a recovery manual for suicidal patients with schizophrenia. Community Ment Health J. 2012 Oct;48(5):564-7. doi: 10.1007/s10597-011-9477-7. Epub 2011 Dec 21. PMID: 22187086 PMCID: PMC3535324 DOI: 10.1007/s10597-011-9477-7
  3. Haas, GL: Psychotherapeutic interventions for recent-onset schizophrenia: A review and guidelines. Prim Care Companion to J Clin Psychiatry Dec 2000, 7(12):63-8.
  4. Longenecker JM, Haas GL, Salisbury DF. Hierarchical Symptom Components in Early Psychosis. Schizophr Bull. 2022 Jun 21;48(4):893-901. doi: 10.1093/schbul/sbac048. PMID: 35639737; PMCID: PMC9212103.
  5. Mann JJ, Ellis SP, Waternaux CM, Liu X, Oquendo MA, Malone KM, Brodsky BS, Haas GL, Currier D. Classification trees distinguish suicide attempters in major psychiatric disorders: a model of clinical decision making. J Clin Psychiatry. 2008 Jan;69(1):23-31. doi: 10.4088/jcp.v69n0104. PMID: 18312034; PMCID: PMC3773877.

New Psychosis Research in Neuropsychopharmacology and Psychological Medicine

New Research in Psychological Medicine and Neuropsychopharmacology

More than 20 members of the Department of Psychiatry faculty conduct a wide range of research pertaining to schizophrenia, bipolar disorder, and other psychotic disorders. Recent Pitt Psychiatry studies in Neuropsychopharmacology and Psychological Medicine present new findings pertaining to clinical high risk for psychosis and first-episode psychosis. Reduced GABA/glutamate in the thalamus of individuals at...

A Unique Approach to Lifespan Diagnosis: The Psychological Autopsy

The Psychological Autopsy

Many Pitt Psychiatry scientists use postmortem human brain tissue to identify neural alterations associated with mental disorders to guide the development of novel treatments. They do so with confidence that a team of psychologists and psychiatrists have systematically validated the diagnoses of each donor subject. This lifespan review is an uniquely intensive version of a process known as the “psychological...

New from Pitt Psychiatry: Improved Understanding of Neural Mechanisms Associated with Duration of Untreated Psychosis

Photo Credit: Electric Brain by Michael Coghlan

Many patients experiencing first-episode psychosis don’t receive medical care until they have endured psychotic symptoms for an extended period, which is referred to as duration of untreated psychosis (DUP). Such long periods of untreated psychosis—the average length is 74 weeks—are associated with poorer clinical outcomes, creating an urgent need to improve the means to reduce DUP. An important step toward this...