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Adjunct Faculty

Adjunct faculty typically have an academic or research appointment at another institution and contribute or collaborate with one or more School of Medicine faculty members or programs.

Adjunct rank details

Chadi Abdallah, MD

Associate Professor Adjunct of Psychiatry
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About

Titles

Associate Professor Adjunct of Psychiatry

Deputy Director for Research, and Director of Neuroimaging, Clinical Neuroscience Division, VA National Center for PTSD

Biography

Dr. Chadi G. Abdallah has expertise in antidepressants clinical trials, translational clinical neuroscience, multimodal neuroimaging, and the development of rapid acting antidepressant for the treatment of depression, PTSD and other stress-related psychiatric disorders. He employs broad range of pharmacological challenges, neuroimaging modalities, and network neuroscience approaches to study the neurobiology of depression and other psychiatric disorders and the mechanisms underlying treatment response and resistance. His research program focuses on understanding the mechanisms underlying trauma, depression, and chronic stress, with emphasis on the role of synaptic connectivity and neuroenergetics.

Last Updated on May 17, 2025.

Appointments

  • Psychiatry

    Associate Professor Adjunct
    Primary

Other Departments & Organizations

Education & Training

Neuroimaging Fellow
Yale University (2013)
McNeil Psychopharmacology Fellow
Yale University (2013)
Chief Resident
SUNY Downstate (2011)
Research Trainee
Cornell University (2011)
Resident
SUNY Downstate (2010)
MD
Lebanese University (2006)

Research

Research at a Glance

Yale Co-Authors

Frequent collaborators of Chadi Abdallah's published research.

Publications

2026

  • Resting-State Functional Connectivity of the Amygdala and Hippocampus in PTSD: Results From the PGC-ENIGMA PTSD Working Group
    Hinojosa C, Sun D, Russell C, Baird C, Hussain A, Sendi M, Jahanshad N, Salminen L, Olff M, Frijling J, Veltman D, Koch S, Nawijn L, van Zuiden M, Wang L, Zhu Y, Li G, Stein D, Ipser J, Koopowitz S, Neria Y, Zhu X, Ravid O, Zilcha-Mano S, Lazarov A, Suarez-Jimenez B, Huggins A, Ressler K, Jovanovic T, Fani N, Mueller S, Hudson A, Daniels J, Sierk A, Manthey A, Walter H, van der Wee N, van der Werff S, Vermeiren R, Rektor I, Říha P, Kaufman M, Lebois L, Baker J, King A, Liberzon I, Angstadt M, Davenport N, Disner S, Sponheim S, Straube T, Hofmann D, Lu G, Qi R, Wang X, Kunch A, Xie H, Quidé Y, El-Hage W, Lissek S, Berg H, Cisler J, Ross M, Herringa R, Grupe D, Nitschke J, Davidson R, Larson C, deRoon-Cassini T, Tomas C, Fitzgerald J, Feola B, Urbano-Blackford J, Olatunji B, May G, Nelson S, Gordon E, Abdallah C, Lanius R, Densmore M, Théberge J, Neufeld R, Baugh L, Simons R, Simons J, Magnotta V, Fercho K, Elman J, Panizzon M, Franz C, Lyons M, Kremen W, McLaughin K, Peverill M, Sambrook K, Thompson P, Stevens J, Morey R, van Rooij S. Resting-State Functional Connectivity of the Amygdala and Hippocampus in PTSD: Results From the PGC-ENIGMA PTSD Working Group. American Journal Of Psychiatry 2026, 183: 333-342. PMID: 41922983, DOI: 10.1176/appi.ajp.20250062.
    Peer-Reviewed Original Research
  • Disrupted intrathalamic and thalamocortical structural covariance networks in posttraumatic stress disorder
    Steele N, Hussain A, Sun D, Baird C, Russell C, Jahanshad N, Salminen L, Olff M, Frijling J, Veltman D, Koch S, Nawijn L, van Zuiden M, Wang L, Zhu Y, Li G, Stein D, Ipser J, Koopowitz S, Neria Y, Zhu X, Ravid O, Zilcha-Mano S, Lazarov A, Suarez-Jimenez B, Huggins A, Stevens J, Ressler K, Jovanovic T, van Rooij S, Fani N, Dennis E, Tate D, Cifu D, Walker W, Wilde E, Rektor I, Říha P, Kaufman M, Lebois L, Baker J, King A, Liberzon I, Angstadt M, Davenport N, Disner S, Sponheim S, Straube T, Hofmann D, Lu G, Qi R, Etkin A, Maron-Katz A, Wang X, Kunch A, Xie H, Quidé Y, El-Hage W, Lissek S, Berg H, Bruce S, Cisler J, Ross M, Herringa R, Grupe D, Nitschke J, Davidson R, Larson C, deRoon-Cassini T, Tomas C, Fitzgerald J, Feola B, Blackford J, Olatunji B, May G, Nelson S, Gordon E, Abdallah C, Lanius R, Densmore M, Théberge J, Neufeld R, Thompson P, Morey R. Disrupted intrathalamic and thalamocortical structural covariance networks in posttraumatic stress disorder. Network Neuroscience 2026, 10: 244-266. PMID: 41878614, PMCID: PMC13008379, DOI: 10.1162/netn.a.535.
    Peer-Reviewed Original Research
  • Childhood Maltreatment and Deviations from Normative Brain Structure: A Mega-Analysis of 3,711 Individuals from the ENIGMA MDD and ENIGMA PTSD Working Groups
    Wang H, Liu Z, Pozzi E, Hussain A, Sigar P, Abdallah C, Alexander N, Baker J, Bauer J, Blackford J, Cisler J, Connolly C, Cotton A, Daniels J, Dannlowski U, Densmore M, deRoon-Cassini T, Dima D, Du Plessis S, Etkin A, Fani N, Fisch L, Fitzgerald J, Frodl T, Fu C, Gonul A, Gordon E, Gotlib I, Goya-Maldonado R, Groenewold N, Grotegerd D, Hahn T, Hamilton J, Han L, Harpaz-Rotem I, Haswell C, Herringa R, Herzog J, Ipser J, Jahanshad N, Jovanovic T, Kaufman M, Kircher T, Konowski M, Koopowitz S, Krug A, Krystal J, Lanius R, Larson C, Lazarov A, Lebois L, Leehr E, Levy I, Li M, Manthey A, Maron-Katz A, McIntosh A, McLaughlin K, Meinert S, Mwangi B, Nelson S, Nenadić I, Neria Y, Neufeld R, Ojha A, Olatunji B, Olson E, Opel N, Peverill M, Ressler K, Ross M, Rosso I, Sacchet M, Sambrook K, Schmahl C, Seedat S, Shenton M, Sicorello M, Sierk A, Soares J, Stein D, Stein F, Stein M, Suarez-Jimenez B, Théberge J, Thomopoulos S, Tomas C, Usemann P, van den Heuvel L, van Rooij S, Walter H, Walter M, Wang X, Whalley H, Winter N, Wu M, Xie H, Yang T, Zhu X, Zilcha-Mano S, Zunta-Soares G, Frangou S, Thompson P, Salminen L, Sun D, Morey R, Stevens J, Schmaal L, Ho T. Childhood Maltreatment and Deviations from Normative Brain Structure: A Mega-Analysis of 3,711 Individuals from the ENIGMA MDD and ENIGMA PTSD Working Groups. Biological Psychiatry 2026 PMID: 41791639, DOI: 10.1016/j.biopsych.2026.02.016.
    Peer-Reviewed Original Research

2025

Academic Achievements & Community Involvement

Honors

  • honor

    Klerman Award, Honorable Mention

  • honor

    Patterson Trust Award in Clinical Research

  • honor

    NARSAD Young Investigator Award

  • honor

    Young Investigator Travel Award

  • honor

    Early Academic Career Award on Schizophrenia Research

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