Karr, J. ., Garcia-Barrera, M. ., Marsh, J. ., Maxwell, B. ., Berkner, P. ., & Iverson, G. . (2021). Preseason Baseline Neurocognitive Performances and Symptom Reporting on Immediate Post-Concussion Assessment and Cognitive Testing: A Comparison of Adolescent Student-Athletes Tested in Spanish and English. Journal of Athletic Training, 56(8), 879-886. https://doi.org/10.4085/1062-6050-0345.20 (Original work published 2021)

Iverson, G. ., Karr, J. ., Maxwell, B. ., Zafonte, R. ., Berkner, P. ., & Cook, N. . Examining Criteria for Defining Persistent Post-concussion Symptoms in Children and Adolescents. Frontiers in Neurology, 12, 614648. https://doi.org/10.3389/fneur.2021.614648 (Original work published 2021)

Cook, N. ., Karr, J. ., & Iverson, G. . (2022). Children with ADHD Have a Greater Lifetime History of Concussion: Results from the ABCD Study. Journal of Neurotrauma, 39(1-2), 86-92. https://doi.org/10.1089/neu.2021.0019

Iverson, G. ., Karr, J. ., Hong, Y. ., Yang, C. ., Maxwell, B. ., & Berkner, P. . (1969). Baseline preseason ImPACT^® testing in Mandarin with adolescent student-athletes in the United States. Applied Neuropsychology. Child, 11(3), 444-454. https://doi.org/10.1080/21622965.2021.1881897 (Original work published 1969)

Raudeberg, R. ., Karr, J. ., Iverson, G. ., & Hammar, Å . (2021). Examining the repeatable battery for the assessment of neuropsychological status validity indices in people with schizophrenia spectrum disorders. The Clinical Neuropsychologist, 1-18. https://doi.org/10.1080/13854046.2021.1876169 (Original work published 2021)

Karr, J. ., & Iverson, G. . (2022). The structure of post-concussion symptoms in adolescent student athletes: Confirmatory factor analysis and measurement invariance. The Clinical Neuropsychologist, 36(6), 1533-1572. https://doi.org/10.1080/13854046.2020.1850867

Karr, J. ., Iverson, G. ., Williams, M. ., Huang, S. ., & Yang, C. . (2020). Complicated versus uncomplicated mild traumatic brain injuries: A comparison of psychological, cognitive, and post-concussion symptom outcomes. Journal of Clinical and Experimental Neuropsychology, 42(10), 1049-1058. https://doi.org/10.1080/13803395.2020.1841118

Karlsen, R. ., Saksvik, S. ., Stenberg, J. ., Lundervold, A. ., Olsen, A. ., Rautio, I. ., … Skandsen, T. . (2021). Examining the Subacute Effects of Mild Traumatic Brain Injury Using a Traditional and Computerized Neuropsychological Test Battery. Journal of Neurotrauma, 38(1), 74-85. https://doi.org/10.1089/neu.2019.6922 (Original work published 2021)

Huebschmann, N. ., Luoto, T. ., Karr, J. ., Berghem, K. ., Blennow, K. ., Zetterberg, H. ., … Iverson, G. . Comparing Glial Fibrillary Acidic Protein (GFAP) in Serum and Plasma Following Mild Traumatic Brain Injury in Older Adults. Frontiers in Neurology, 11, 1054. https://doi.org/10.3389/fneur.2020.01054 (Original work published 2020)

Karr, J. ., Mindt, M. ., & Iverson, G. . (2022). A Multivariate Interpretation of the Spanish-Language NIH Toolbox Cognition Battery: The Normal Frequency of Low Scores. Archives of Clinical Neuropsychology : The Official Journal of the National Academy of Neuropsychologists, 37(2), 338-351. https://doi.org/10.1093/arclin/acab064 (Original work published 2022)