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 detailsChadi Abdallah, MD
Associate Professor Adjunct of PsychiatryAbout
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 ResearchDisrupted 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 ResearchChildhood 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
Lower Gyrification of the Ventromedial Prefrontal Cortex in Posttraumatic Stress Disorder: An ENIGMA-PTSD Study
Hussain A, Baird C, Huggins A, Russell C, Sun D, Rangel-Jimenez L, Abdallah C, Angstadt M, May G, Berg H, Blackford J, Cisler J, Daniels J, Davenport N, Davidson R, Densmore M, Disner S, El-Hage W, Etkin A, Fani N, Frijling J, Gordon E, Grupe D, Herringa R, Herzog J, Hofmann D, Hudson A, Jovanovic T, King A, Koch S, Lanius R, Lazarov A, Li G, Liberzon I, Lissek S, Lu G, Manthey A, Maron-Katz A, McLaughlin K, Mueller S, Nawijn L, Nelson S, Neria Y, Neufeld R, Nitschke J, Olatunji B, Olff M, Peverill M, Qi R, Quidé Y, Ravid O, Rektor I, Ressler K, Říha P, Ross M, Sambrook K, Schmahl C, Sierk A, Sponheim S, Stevens J, Straube T, Suarez-Jimenez B, Théberge J, van der Wee N, van der Werff S, van Rooij S, van Zuiden M, Veltman D, Vermeiren R, Walter H, Wang L, Zhu X, Zhu Y, Zilcha-Mano S, Jahanshad N, Thompson P, Morey R. Lower Gyrification of the Ventromedial Prefrontal Cortex in Posttraumatic Stress Disorder: An ENIGMA-PTSD Study. Biological Psychiatry Global Open Science 2025, 6: 100679. PMID: 41685071, PMCID: PMC12892079, DOI: 10.1016/j.bpsgos.2025.100679.Peer-Reviewed Original ResearchCombining DNA methylation features and clinical characteristics predicts ketamine treatment response for PTSD
Valizadeh A, Roache J, Zhang X, Hu Y, Gueorguieva R, Averill L, Ranganathan M, Wang Z, Williamson D, Shiroma P, Girgenti M, Petrakis I, López-Roca A, Young-McCaughan S, Keane T, Peterson A, Abdallah C, Krystal J, Xu K, PTSD F. Combining DNA methylation features and clinical characteristics predicts ketamine treatment response for PTSD. IScience 2025, 29: 114445. PMID: 41561376, PMCID: PMC12814687, DOI: 10.1016/j.isci.2025.114445.Peer-Reviewed Original ResearchTurning Patients’ Open-Ended Narratives of Chronic Pain Into Quantitative Measures: Natural Language Processing Study
Norel R, Gewandter J, Zhang Z, Tahsin A, Abdallah C, Markman J, Duan Z, Cecchi G, Geha P. Turning Patients’ Open-Ended Narratives of Chronic Pain Into Quantitative Measures: Natural Language Processing Study. JMIR Human Factors 2025, 12: e80269. PMID: 41290220, PMCID: PMC12690277, DOI: 10.2196/80269.Peer-Reviewed Original ResearchMapping DNA Methylation Signatures to Identify Epigenetic Variation Across Subcortical Regions of the Human Posttraumatic Stress Disorder Brain
Li H, Liu Y, Shi Y, Wang J, Nguyen T, Xie Y, Zheng W, Cheng Y, Cruz D, Modliszewski J, Terwilliger R, Sliby A, Martínez-Magaña J, Montalvo-Ortiz J, Roache J, Averill L, Young-McCaughan S, Shiroma P, Huber B, Lewis D, Glausier J, Holtzheimer P, Friedman M, Zhang J, Peterson A, Abdallah C, Valizadeh A, Zhang X, Xu K, Krystal J, Duman R, Zhao H, Corcoran D, Williamson D, Girgenti M. Mapping DNA Methylation Signatures to Identify Epigenetic Variation Across Subcortical Regions of the Human Posttraumatic Stress Disorder Brain. Biological Psychiatry 2025, 100: 76-87. PMID: 41192574, PMCID: PMC12862789, DOI: 10.1016/j.biopsych.2025.10.032.Peer-Reviewed Original ResearchVolumetric Differences of Thalamic Nuclei Are Associated With Posttrauma Psychopathology
Steele N, Hussain A, Baird C, Haswell C, Sun D, Rangel-Jimenez L, Abdallah C, Angstadt M, May G, Berg H, Blackford J, Cisler J, Daniels J, Davenport N, Davidson R, Densmore M, Disner S, El-Hage W, Etkin A, Fani N, Frijling J, Gordon E, Grupe D, Herringa R, Hudson A, Jahanshad N, Jovanovic T, King A, Koch S, Lanius R, Lazarov A, Li G, Liberzon I, Lissek S, Lu G, Manthey A, Maron-Katz A, Nawijn L, Nelson S, Neria Y, Neufeld R, Nitschke J, Olatunji B, Olff M, Peverill M, Quidé Y, Ravid O, Rakesh G, Ressler K, Ross M, Sambrook K, Sierk A, Sponheim S, Stevens J, Suarez-Jimenez B, Théberge J, van Rooij S, van Zuiden M, Veltman D, Vermeiren R, Walter H, Wang L, Zhu X, Zhu Y, Zilcha-Mano S, Larson C, deRoon-Cassini T, Tomas C, Fitzgerald J, Cotton A, O'Leary E, Xie H, Wang X, Dennis E, Tate D, Cifu D, Walker W, Wilde E, Thompson P, Morey R. Volumetric Differences of Thalamic Nuclei Are Associated With Posttrauma Psychopathology. Biological Psychiatry Cognitive Neuroscience And Neuroimaging 2025, 11: 657-667. PMID: 41177253, DOI: 10.1016/j.bpsc.2025.10.016.Peer-Reviewed Original ResearchImage-based meta- and mega-analysis (IBMMA): A unified framework for large-scale, multi-site, neuroimaging data analysis
Steele N, Huggins A, Morey R, Hussain A, Russell C, Suarez-Jimenez B, Pozzi E, Jameei H, Schmaal L, Veer I, Waller L, Jahanshad N, Thomopoulos S, 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, Neria Y, Zhu X, Ravid O, Zilcha-Mano S, Lazarov A, Stevens J, Ressler K, Jovanovic T, van Rooij S, Fani N, Mueller S, Hudson A, Daniels J, Sierk A, Manthey A, Walter H, van der Wee N, van der Werff S, Vermeiren R, Schmahl C, Herzog J, Rektor I, Říha P, Kaufman M, Lebois L, Baker J, Rosso I, Olson E, 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, Bruce S, Cisler J, Ross M, Herringa R, Grupe D, Nitschke J, Davidson R, Larson C, deRoon-Cassini T, Tomas C, Fitzgerald J, Elman J, Panizzon M, Franz C, Lyons M, Kremen W, Feola B, Blackford J, Olatunji B, May G, Nelson S, Gordon E, Abdallah C, Lanius R, Densmore M, Théberge J, Neufeld R, Thompson P, Sun D. Image-based meta- and mega-analysis (IBMMA): A unified framework for large-scale, multi-site, neuroimaging data analysis. NeuroImage 2025, 322: 121554. PMID: 41138791, PMCID: PMC12875043, DOI: 10.1016/j.neuroimage.2025.121554.Peer-Reviewed Original ResearchDynamic and Static Resting-State Functional Connectivity of Canonical Networks in Military and Civilian Populations With Posttraumatic Stress Disorder and/or Mild Traumatic Brain Injury
Dwulit A, Sun D, Haswell C, Hussain A, Dennis E, Wilde E, Newsome M, Tate D, Walker W, Abdallah C, Averill C, Blackford J, Olatunji B, King A, Liberzon I, Angstadt M, Rektor I, Říha P, Nečasová M, Fňašková M, Daniels J, Walter H, Waller L, Manthey A, Sierk A, Olff M, van Zuiden M, Koch S, Veltman D, Frijling J, Nawijn L, Jahanshad N, Thompson P, Morey R. Dynamic and Static Resting-State Functional Connectivity of Canonical Networks in Military and Civilian Populations With Posttraumatic Stress Disorder and/or Mild Traumatic Brain Injury. Biological Psychiatry Cognitive Neuroscience And Neuroimaging 2025, 11: 634-646. PMID: 40840859, DOI: 10.1016/j.bpsc.2025.08.002.Peer-Reviewed Original Research