Medical College of Wisconsin
CTSICores SearchResearch InformaticsREDCap

Carissa W. Tomas PhD

Carissa W. Tomas PhD profile photo picture

Assistant Professor

Institution: Medical College of Wisconsin
Department: Institute for Health and Humanity
Division: Epidemiology
Program: Administration

image of /images/ORCIDiD_icon16x16.png   https://orcid.org/0000-0002-9199-8632

Member of the Institute for Health & Humanity


I am willing to collaborate on research projects.

View Curriculum Vitae

Publications (43)

  • Social and environmental adversity predict poor mental health in a Milwaukee, WI community sample. (Tomas CW, Timmer-Murillo S, Vine K, Krukowski J, Purdle S, Janusiak J, Mantsch JR, Torres L, Harris J, deRoon-Cassini TA) Soc Sci Med 2025 May;373:118015 PMID: 40174521 SCOPUS ID: 2-s2.0-105001416255 04/03/2025    
  • Structural covariance of early visual cortex is negatively associated with PTSD symptoms: A Mega-Analysis from the ENIGMA PTSD workgroup. (Harnett NG, Joshi S, Kumar P, Russell C, Dillon DG, Baker JT, Pizzagalli DA, Kaufman ML, Nickerson LN, Jahanshad N, Salminen LE, Thomopoulos SI, Frijling JL, Veltman DJ, Koch SBJ, Nawijn L, van Zuiden M, Zhu Y, Li G, Ipser J, Zhu X, Ravid O, Zilcha-Mano S, Lazarov A, Suarez-Jimenez B, Sun D, Hussain A, Huggins AA, Jovanovic T, van Rooij SJH, Fani N, Hudson AR, Sierk A, Manthey A, Walter H, van der Wee NJA, van der Werff SJA, Vermeiren RRJM, Říha P, Lebois LAM, Rosso IM, Olson EA, Liberzon I, Angstadt M, Disner SG, Sponheim SR, Koopowitz SM, Hofmann D, Qi R, Maron-Katz A, Kunch A, Xie H, El-Hage W, Berg H, Bruce SE, McLaughlin KA, Peverill M, Sambrook K, Ross M, Herringa RJ, Nitschke JB, Davidson RJ, deRoon-Cassini TA, Tomas CW, Fitzgerald JM, Blackford JU, Olatunji BO, Nelson SM, Gordon EM, Densmore M, Théberge J, Neufeld RWJ, Olff M, Wang L, Stein DJ, Neria Y, Stevens JS, Mueller SC, Daniels JK, Rektor I, King A, Davenport ND, Straube T, Lu G, Etkin A, Wang X, Quidé Y, Lissek S, Cisler J, Grupe DW, Larson C, Feola B, May G, Abdallah CG, Lanius R, Thompson PM, Morey RA, Ressler K) medRxiv 2025 Mar 19 PMID: 40166540 PMCID: PMC11957098 04/01/2025    
  • A comparison of traumatic injury characteristics in rural and urban adults living in Wisconsin. (Kallies KJ, Koehne WJ, Tomas CW, Tarima S, Beckman MA, Beyer KM, Cassidy L) J Rural Health 2025 Jan;41(1):e2922 PMID: 39910720 SCOPUS ID: 2-s2.0-85217032660 02/06/2025    
  • Firearm injury survivors report extreme high risk for poor physical and mental health outcomes early after hospital discharge necessitating multidisciplinary care. (Biesboer EA, Brandolino A, Tomas CW, Johnson IR, deRoon-Cassini T, Timmer-Murillo S, Schroeder ME, DeMoya M, Trevino C) Trauma Surg Acute Care Open 2025;10(1):e001336 PMID: 39845993 PMCID: PMC11749528 SCOPUS ID: 2-s2.0-85216416602 01/23/2025       1 Citation
  • Pandemic-Related Stress Increases PTSD and Depression Risk in Traumatic Injury Patients: A Comparative Study of Pre- and Peri-Pandemic Trauma Cases. (Zapata JP, Tomas CW, Timmer-Murillo S, deRoon Cassini TA, Larson C, Torres L, Brandolino A, Geier T, Khan H, Schramm AT) Stress Health 2025 Apr;41(2):e3513 PMID: 39624980 PMCID: PMC11987568 SCOPUS ID: 2-s2.0-85211163033 12/03/2024    
  • Investigating the bed nucleus of the stria terminalis as a predictor of posttraumatic stress disorder in Black Americans and the moderating effects of racial discrimination. (Petranu K, Webb EK, Tomas CW, Harb F, Torres L, deRoon-Cassini TA, Larson CL) Transl Psychiatry 2024 Aug 21;14(1):337 PMID: 39169008 PMCID: PMC11339439 SCOPUS ID: 2-s2.0-85201686826 08/22/2024       3 Citations
  • Area deprivation index and social vulnerability index in Milwaukee County: Impact on hospital outcomes after traumatic injuries. (Kallies KJ, Cassidy LD, Kostelac CA, deRoon-Cassini TA, Tomas CW) Injury 2024 Aug;55(8):111693 PMID: 38943795 SCOPUS ID: 2-s2.0-85196948367 06/30/2024       2 Citations
  • Examining the role of social vulnerability, neighborhood characteristics, and geospatial patterns of firearm-related injuries and clinical outcomes in Milwaukee county. (Tomas CW, Timmer-Murillo S, Kallies KJ, Snowden AJ, Borisy-Rudin F, Busalacchi M, Mackenzie R, Kostelac CA, Cassidy LD, deRoon-Cassini TA) Soc Sci Med 2024 Jul;352:117035 PMID: 38850675 SCOPUS ID: 2-s2.0-85195188628 06/09/2024    
  • Trajectories of Anhedonia Symptoms after Traumatic Injury. (Pina IG, Timmer-Murillo SC, Larson CL, deRoon-Cassini TA, Tomas CW) Eur J Trauma Dissociation 2024 Jun;8(2) PMID: 38799039 PMCID: PMC11113075 SCOPUS ID: 2-s2.0-85191354816 05/27/2024    
  • Exploring the Association Between Structural Racism and Mental Health: Geospatial and Machine Learning Analysis. (Mohebbi F, Forati AM, Torres L, deRoon-Cassini TA, Harris J, Tomas CW, Mantsch JR, Ghose R) JMIR Public Health Surveill 2024 May 03;10:e52691 PMID: 38701436 PMCID: PMC11102033 SCOPUS ID: 2-s2.0-85192123640 05/03/2024       5 Citations
  • Racial discrimination increases the risk for nonremitting posttraumatic stress disorder symptoms in traumatically injured Black individuals living in the United States. (Torres L, Geier TJ, Tomas CW, Bird CM, Timmer-Murillo S, Larson CL, deRoon-Cassini TA) J Trauma Stress 2024 Aug;37(4):697-709 PMID: 38650107 SCOPUS ID: 2-s2.0-85191185232 04/23/2024       2 Citations
  • Distinct Functional Connectivity Patterns for Intermittent Vs Constant Neuropathic Pain Phenotypes in Persistent Spinal Pain Syndrome Type 2 Patients. (Pahapill PA, Arocho-Quinones EV, Chen G, Swearingen B, Tomas CW, Koch KM, Nencka AS) J Pain Res 2024;17:1453-1460 PMID: 38628431 PMCID: PMC11020324 SCOPUS ID: 2-s2.0-85192076655 04/17/2024       4 Citations
  • Sex-related disparities in vehicle crash injury and hemodynamics. (Cronn S, Somasundaram K, Driesslein K, Tomas CW, Pintar F) Front Public Health 2024;12:1331313 PMID: 38560436 PMCID: PMC10978633 SCOPUS ID: 2-s2.0-85188905781 04/01/2024       1 Citation
  • Improved follow-up care for gun violence survivors in the Trauma Quality of Life Clinic. (Brandolino A, deRoon-Cassini TA, Biesboer EA, Tomas CW, Woolfolk M, Wakinekona NA, Subramanian M, Cheruvalath H, Schroeder ME, Trevino CM) Trauma Surg Acute Care Open 2024;9(1):e001199 PMID: 38390473 PMCID: PMC10882323 SCOPUS ID: 2-s2.0-85183036845 02/23/2024       5 Citations
  • Smaller total and subregional cerebellar volumes in posttraumatic stress disorder: a mega-analysis by the ENIGMA-PGC PTSD workgroup. (Huggins AA, Baird CL, Briggs M, Laskowitz S, Hussain A, Fouda S, Haswell C, Sun D, Salminen LE, Jahanshad N, Thomopoulos SI, Veltman DJ, Frijling JL, Olff M, van Zuiden M, Koch SBJ, Nawjin L, Wang L, Zhu Y, Li G, Stein DJ, Ipser J, Seedat S, du Plessis S, van den Heuvel LL, Suarez-Jimenez B, Zhu X, Kim Y, He X, Zilcha-Mano S, Lazarov A, Neria Y, Stevens JS, Ressler KJ, Jovanovic T, van Rooij SJH, Fani N, Hudson AR, Mueller SC, Sierk A, Manthey A, Walter H, Daniels JK, Schmahl C, Herzog JI, Říha P, Rektor I, Lebois LAM, Kaufman ML, Olson EA, Baker JT, Rosso IM, King AP, Liberzon I, Angstadt M, Davenport ND, Sponheim SR, Disner SG, Straube T, Hofmann D, Qi R, Lu GM, Baugh LA, Forster GL, Simons RM, Simons JS, Magnotta VA, Fercho KA, Maron-Katz A, Etkin A, Cotton AS, O'Leary EN, Xie H, Wang X, Quidé Y, El-Hage W, Lissek S, Berg H, Bruce S, Cisler J, Ross M, Herringa RJ, Grupe DW, Nitschke JB, Davidson RJ, Larson CL, deRoon-Cassini TA, Tomas CW, Fitzgerald JM, Blackford JU, Olatunji BO, Kremen WS, Lyons MJ, Franz CE, Gordon EM, May G, Nelson SM, Abdallah CG, Levy I, Harpaz-Rotem I, Krystal JH, Dennis EL, Tate DF, Cifu DX, Walker WC, Wilde EA, Harding IH, Kerestes R, Thompson PM, Morey R) Mol Psychiatry 2024 Mar;29(3):611-623 PMID: 38195980 PMCID: PMC11153161 SCOPUS ID: 2-s2.0-85181942750 01/10/2024       3 Citations
  • A Milwaukee Syndemic? Penetrative Injury and COVID-19. (Dove A, Kallies KJ, Hargarten S, Tomas CW) WMJ 2023 Dec;122(5):313-318 PMID: 38180916 SCOPUS ID: 2-s2.0-85181633006 01/05/2024       2 Citations
  • Experiences of racial discrimination and adverse gene expression among black individuals in a level 1 trauma center sample. (Bird CM, Kate Webb E, Cole SW, Tomas CW, Knight JM, Timmer-Murillo SC, Larson CL, deRoon-Cassini TA, Torres L) Brain Behav Immun 2024 Feb;116:229-236 PMID: 38070623 PMCID: PMC10872243 SCOPUS ID: 2-s2.0-85180086979 12/10/2023       3 Citations
  • Neuroimaging-based classification of PTSD using data-driven computational approaches: A multisite big data study from the ENIGMA-PGC PTSD consortium. (Zhu X, Kim Y, Ravid O, He X, Suarez-Jimenez B, Zilcha-Mano S, Lazarov A, Lee S, Abdallah CG, Angstadt M, Averill CL, Baird CL, Baugh LA, Blackford JU, Bomyea J, Bruce SE, Bryant RA, Cao Z, Choi K, Cisler J, Cotton AS, Daniels JK, Davenport ND, Davidson RJ, DeBellis MD, Dennis EL, Densmore M, deRoon-Cassini T, Disner SG, Hage WE, Etkin A, Fani N, Fercho KA, Fitzgerald J, Forster GL, Frijling JL, Geuze E, Gonenc A, Gordon EM, Gruber S, Grupe DW, Guenette JP, Haswell CC, Herringa RJ, Herzog J, Hofmann DB, Hosseini B, Hudson AR, Huggins AA, Ipser JC, Jahanshad N, Jia-Richards M, Jovanovic T, Kaufman ML, Kennis M, King A, Kinzel P, Koch SBJ, Koerte IK, Koopowitz SM, Korgaonkar MS, Krystal JH, Lanius R, Larson CL, Lebois LAM, Li G, Liberzon I, Lu GM, Luo Y, Magnotta VA, Manthey A, Maron-Katz A, May G, McLaughlin K, Mueller SC, Nawijn L, Nelson SM, Neufeld RWJ, Nitschke JB, O'Leary EM, Olatunji BO, Olff M, Peverill M, Phan KL, Qi R, Quidé Y, Rektor I, Ressler K, Riha P, Ross M, Rosso IM, Salminen LE, Sambrook K, Schmahl C, Shenton ME, Sheridan M, Shih C, Sicorello M, Sierk A, Simmons AN, Simons RM, Simons JS, Sponheim SR, Stein MB, Stein DJ, Stevens JS, Straube T, Sun D, Théberge J, Thompson PM, Thomopoulos SI, van der Wee NJA, van der Werff SJA, van Erp TGM, van Rooij SJH, van Zuiden M, Varkevisser T, Veltman DJ, Vermeiren RRJM, Walter H, Wang L, Wang X, Weis C, Winternitz S, Xie H, Zhu Y, Wall M, Neria Y, Morey RA) Neuroimage 2023 Dec 01;283:120412 PMID: 37858907 PMCID: PMC10842116 SCOPUS ID: 2-s2.0-85174730385 10/20/2023       8 Citations
  • Neural processes of emotional conflict detection and prediction of posttraumatic stress disorder symptom clusters in traumatic injury survivors. (Davis KE, Tomas CW, Webb EK, Huggins AA, deRoon-Cassini TA, Larson CL, Fitzgerald JM) Psychol Trauma 2025 Feb;17(2):323-330 PMID: 37843526 SCOPUS ID: 2-s2.0-85187529668 10/16/2023    
  • Relationship between heart rate variability and differential patterns of cortisol response to acute stressors in mid-life adults: A data-driven investigation. (Bennett MM, Tomas CW, Fitzgerald JM) Stress Health 2024 Jun;40(3):e3327 PMID: 37786944 SCOPUS ID: 2-s2.0-85173538240 10/03/2023       7 Citations
  • Trends in Adult Suicide Rates in Milwaukee County, Wisconsin, 2002 through 2020. (Schramm AT, Kant J, Tomas CW, Holliman AR, Khan H, Kendrick VT, Cronn S, deRoon-Cassini TA, Kohlbeck SA) WMJ 2023 Sep;122(4):268-271 PMID: 37768767 09/28/2023    
  • Trends in firearm production and firearm deaths in U.S. youth. (Tomas CW, Fumo N, Kostelac CA, Flynn-O'Brien K, Levas M, Moore R, de Roon-Cassini TA, Hargarten S) Prev Med 2023 Oct;175:107684 PMID: 37640064 SCOPUS ID: 2-s2.0-85169035212 08/29/2023       2 Citations
  • Attributional negativity bias and acute stress disorder symptoms mediate the association between trauma history and future posttraumatic stress disorder. (Webb EK, Timmer-Murillo SC, Huggins AA, Tomas CW, deRoon-Cassini TA, Larson CL) J Trauma Stress 2023 Aug;36(4):785-795 PMID: 37339014 PMCID: PMC10528836 SCOPUS ID: 2-s2.0-85162188572 06/20/2023       2 Citations
  • Mental Health and Health-Related Quality of Life After Firearm Injury: A Preliminary Descriptive Study. (Timmer-Murillo SC, Melin SJH, Tomas CW, Geier TJ, Brandolino A, Schramm AT, Larson CL, deRoon-Cassini TA) Ann Intern Med 2023 Jul;176(7):1010-1012 PMID: 37216663 SCOPUS ID: 2-s2.0-85165222285 05/22/2023       4 Citations
  • Increase in traumatic injury burden amidst COVID-19 was disproportionately shouldered by racial and ethnic minority patients: An urban case study (CW Tomas, KT Flynn-O’Brien, J Harris, C Kostelac, R Moore, LD Cassidy, and TA deRoon-Cassini) Trauma Tomas CW, Flynn-O’Brien KT, Harris J, Kostelac C, Moore R, Cassidy LD, deRoon-Cassini TA. Increase in traumatic injury burden amidst COVID-19 was disproportionately shouldered by racial and ethnic minority patients: An urban case study. Trauma. 2023 May 2:14604086231165127. doi: 10.1177/14604086231165127. PMCID: PMC10159793. 05/02/2023    
  • Mechanisms of traumatic injury by demographic characteristics: an 8-year review of temporal trends from the National Trauma Data Bank. (Tomas C, Kallies K, Cronn S, Kostelac C, deRoon-Cassini T, Cassidy L) Inj Prev 2023 Aug;29(4):347-354 PMID: 36941050 PMCID: PMC10423504 SCOPUS ID: 2-s2.0-85152652779 03/21/2023       9 Citations
  • Event centrality and posttraumatic stress symptoms after traumatic injury: A longitudinal investigation. (Stevens SK, Timmer-Murillo SC, Tomas CW, Boals A, Larson CL, deRoon-Cassini T, Larsen SE) J Trauma Stress 2022 Dec;35(6):1734-1743 PMID: 36104984 SCOPUS ID: 2-s2.0-85137895442 09/16/2022       1 Citation
  • Machine learning prediction of posttraumatic stress disorder trajectories following traumatic injury: Identification and validation in two independent samples. (Tomas CW, Fitzgerald JM, Bergner C, Hillard CJ, Larson CL, deRoon-Cassini TA) J Trauma Stress 2022 Dec;35(6):1656-1671 PMID: 36006041 SCOPUS ID: 2-s2.0-85136599889 08/26/2022       14 Citations
  • The role of pain and socioenvironmental factors on posttraumatic stress disorder symptoms in traumatically injured adults: A 1-year prospective study (Webb EK, Ward RT, Mathew AS, Price M, Weis CN, Trevino CM, deRoon-Cassini TA, Larson CL) Journal of Traumatic Stress August 2022;35(4):1142-1153 SCOPUS ID: 2-s2.0-85125536623 08/01/2022       2 Citations
  • Neighborhood Socioeconomic Disadvantage and the Neurobiology of Uncertainty in Traumatically Injured Adults. (Tomas CW, Webb EK, Bennett KP, Huggins AA, Fitzgerald JM, Miskovich TA, Krukowki J, deRoon-Cassini TA, Larson CL) Biol Psychiatry Glob Open Sci 2022 Jul;2(3):263-272 PMID: 35903110 PMCID: PMC9328402 SCOPUS ID: 2-s2.0-85138215197 07/30/2022       11 Citations
  • Harmonizing PTSD severity scales across instruments and sites. (Kennedy E, Dennis EL, Lindsey HM, deRoon-Cassini T, Du Plessis S, Fani N, Kaufman ML, Koen N, Larson CL, Laskowitz S, Lebois LAM, Morey RA, Newsome MR, Palermo C, Pastorek NJ, Powers A, Scheibel R, Seedat S, Seligowski A, Stein DJ, Stevens J, Sun D, Thompson P, Troyanskaya M, van Rooij SJH, Watts AA, Tomas CW, Williams W, Hillary FG, Pugh MJ, Wilde EA, Tate DF) Neuropsychology 2023 May;37(4):398-408 PMID: 35797175 PMCID: PMC9948684 SCOPUS ID: 2-s2.0-85134022837 07/08/2022       8 Citations
  • Racial Discrimination and Resting-State Functional Connectivity of Salience Network Nodes in Trauma-Exposed Black Adults in the United States. (Webb EK, Bird CM, deRoon-Cassini TA, Weis CN, Huggins AA, Fitzgerald JM, Miskovich T, Bennett K, Krukowski J, Torres L, Larson CL) JAMA Netw Open 2022 Jan 04;5(1):e2144759 PMID: 35072718 PMCID: PMC8787596 SCOPUS ID: 2-s2.0-85123877933 01/25/2022       31 Citations
  • Acute White Matter Integrity Post-trauma and Prospective Posttraumatic Stress Disorder Symptoms. (Weis CN, Huggins AA, Miskovich TA, Fitzgerald JM, Bennett KP, Krukowski JL, Webb EK, deRoon-Cassini TA, Larson CL) Front Hum Neurosci 2021;15:742198 PMID: 34658821 PMCID: PMC8511512 SCOPUS ID: 2-s2.0-85117123429 10/19/2021       9 Citations
  • Emotion Dysregulation Following Trauma: Shared Neurocircuitry of Traumatic Brain Injury and Trauma-Related Psychiatric Disorders. (Weis CN, Webb EK, deRoon-Cassini TA, Larson CL) Biol Psychiatry 2022 Mar 01;91(5):470-477 PMID: 34561028 PMCID: PMC8801541 SCOPUS ID: 2-s2.0-85115815261 09/26/2021       35 Citations
  • Hippocampal Resting-State Functional Connectivity Forecasts Individual Posttraumatic Stress Disorder Symptoms: A Data-Driven Approach. (Fitzgerald JM, Webb EK, Weis CN, Huggins AA, Bennett KP, Miskovich TA, Krukowski JL, deRoon-Cassini TA, Larson CL) Biol Psychiatry Cogn Neurosci Neuroimaging 2022 Feb;7(2):139-149 PMID: 34478884 PMCID: PMC8825698 SCOPUS ID: 2-s2.0-85118738043 09/04/2021       18 Citations
  • Neural impact of neighborhood socioeconomic disadvantage in traumatically injured adults. (Webb EK, Weis CN, Huggins AA, Fitzgerald JM, Bennett K, Bird CM, Parisi EA, Kallenbach M, Miskovich T, Krukowski J, deRoon-Cassini TA, Larson CL) Neurobiol Stress 2021 Nov;15:100385 PMID: 34471656 PMCID: PMC8390770 SCOPUS ID: 2-s2.0-85117100035 09/03/2021       20 Citations
  • A 7-Tesla MRI study of the periaqueductal gray: resting state and task activation under threat. (Weis CN, Bennett KP, Huggins AA, Parisi EA, Gorka SM, Larson C) Soc Cogn Affect Neurosci 2022 Feb 15;17(2):187-197 PMID: 34244809 PMCID: PMC8847906 SCOPUS ID: 2-s2.0-85124635275 07/11/2021       6 Citations
  • Neural substrates of human fear generalization: A 7T-fMRI investigation. (Huggins AA, Weis CN, Parisi EA, Bennett KP, Miskovic V, Larson CL) Neuroimage 2021 Oct 01;239:118308 PMID: 34175426 SCOPUS ID: 2-s2.0-85109039158 06/28/2021       15 Citations
  • Scoring the Life Events Checklist: Comparison of three scoring methods. (Weis CN, Webb EK, Stevens SK, Larson CL, deRoon-Cassini TA) Psychol Trauma 2022 May;14(4):714-720 PMID: 34166045 PMCID: PMC8702580 SCOPUS ID: 2-s2.0-85117071455 06/25/2021       51 Citations
  • Stability of hippocampal subfield volumes after trauma and relationship to development of PTSD symptoms. (Weis CN, Webb EK, Huggins AA, Kallenbach M, Miskovich TA, Fitzgerald JM, Bennett KP, Krukowski JL, deRoon-Cassini TA, Larson CL) Neuroimage 2021 Aug 01;236:118076 PMID: 33878374 PMCID: PMC8284190 SCOPUS ID: 2-s2.0-85104960391 04/21/2021       26 Citations
  • Neighborhood disadvantage is associated with stable deficits in neurocognitive functioning in traumatically-injured adults. (Webb EK, Weis CN, Huggins AA, Parisi EA, Bennett KP, Miskovich T, Krukowski J, deRoon-Cassini TA, Larson CL) Health Place 2021 Jan;67:102493 PMID: 33321457 PMCID: PMC7854519 SCOPUS ID: 2-s2.0-85097747335 12/16/2020       17 Citations
  • High-Resolution Resting-State Functional Connectivity of the Extended Amygdala. (Weis CN, Huggins AA, Bennett KP, Parisi EA, Larson CL) Brain Connect 2019 Oct;9(8):627-637 PMID: 31389253 SCOPUS ID: 2-s2.0-85073585192 08/08/2019       17 Citations
  • Structural Connectivity of the Posterior Cingulum Is Related to Reexperiencing Symptoms in Posttraumatic Stress Disorder. (Weis CN, Belleau EL, Pedersen WS, Miskovich TA, Larson CL) Chronic Stress (Thousand Oaks) 2018;2 PMID: 30569027 PMCID: PMC6295657 SCOPUS ID: 2-s2.0-85084715454 12/21/2018       16 Citations
    • Last update: 06/05/2025