Stenberg, J., Karr, J., Karlsen, R., Skandsen, T., Silverberg, N., & Iverson, G. Examining Test-Retest Reliability and Reliable Change for Cognition Endpoints for the CENTER-TBI Neuropsychological Test Battery. Frontiers in Neurology, 11, 541533. https://doi.org/10.3389/fneur.2020.541533 (Original work published 2020)

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)

Maja, R., Kilshaw, R., Garcia-Barrera, M., & Karr, J. (2022). Current Posttraumatic Stress Symptoms Mediate the Relationship Between Adverse Childhood Experiences and Executive Functions. Psychological Reports, 125(2), 763-786. https://doi.org/10.1177/0033294120979690

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. (2022). Compensatory Cognitive Strategy Use by Young Adults: A Psychometric Evaluation of Self-Report Measures. Assessment, 29(3), 441-454. https://doi.org/10.1177/1073191120981769

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., 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)

Karr, J., Grindstaff, T., & Alexander, J. (2012). Omega-3 polyunsaturated fatty acids and cognition in a college-aged population. Experimental and Clinical Psychopharmacology, 20(3), 236-42. https://doi.org/10.1037/a0026945

Karr, J., Alexander, J., & Winningham, R. (2011). Omega-3 polyunsaturated fatty acids and cognition throughout the lifespan: a review. Nutritional Neuroscience, 14(5), 216-25. https://doi.org/10.1179/1476830511Y.0000000012