Cited by 245Traumatic Brain Injury ResearchSports injuries and preventionAutomotive and Human Injury Biomechanics

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Cognitive effects of one season of head impacts in a cohort of collegiate contact sport athletes

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McAllister, T.W., Flashman, L.A., Maerlender, A., Greenwald, R.M., Beckwith, J.G., Tosteson, T.D., Crisco, J.J., Brolinson, P.G., Duma, S.M., Duhaime, A.-C., Grove, M.R., Turco, J.H.·2012·Neurology

DOI 10.1212/wnl.0b013e3182582fe7PMC PMC3359587

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Abstract

OBJECTIVE: To determine whether exposure to repetitive head impacts over a single season negatively affects cognitive performance in collegiate contact sport athletes. METHODS: This is a prospective cohort study at 3 Division I National Collegiate Athletic Association athletic programs. Participants were 214 Division I college varsity football and ice hockey players who wore instrumented helmets that recorded the acceleration-time history of the head following impact, and 45 noncontact sport athletes. All athletes were assessed prior to and shortly after the season with a cognitive screening battery (ImPACT) and a subgroup of athletes also were assessed with 7 measures from a neuropsychological test battery. RESULTS: Few cognitive differences were found between the athlete groups at the preseason or postseason assessments. However, a higher percentage of the contact sport athletes performed more poorly than predicted postseason on a measure of new learning (California Verbal Learning Test) compared to the noncontact athletes (24% vs 3.6%; p < 0.006). On 2 postseason cognitive measures (ImPACT Reaction Time and Trails 4/B), poorer performance was significantly associated with higher scores on several head impact exposure metrics. CONCLUSION: Repetitive head impacts over the course of a single season may negatively impact learning in some collegiate athletes. Further work is needed to assess whether such effects are short term or persistent.

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Authors: McAllister, T. W., Flashman, L. A., Maerlender, A., Greenwald, R. M., Beckwith, J. G., Tosteson, T. D., Crisco, J. J., Brolinson, P. G., Duma, S. M., Duhaime, A.-C., Grove, M. R., & Turco, J. H.
Affiliations: Dartmouth College (US)
ORCID: McAllister, T.W.
Flashman, L.A.
Maerlender, A.
Tosteson, T.D.
Crisco, J.J.
Brolinson, P.G.
Duma, S.M.
Duhaime, A.-C.
Venue: Neurology
Publisher: Ovid Technologies (Wolters Kluwer Health)
Published: 2012-05-29
Volume: 78
Issue: 22
Pages: 1777-1784
ISSN: 0028-3878 (ISSN-L)
1526-632X
DOI: 10.1212/wnl.0b013e3182582fe7
PMC: PMC3359587
OpenAlex: W2146250230
Cited by: 245
References: 43
Citations by year: 2026: 6 · 2025: 10 · 2024: 8 · 2023: 12 · 2022: 11 · 2021: 13 · 2020: 15 · 2019: 20 · 2018: 30 · 2017: 28 · 2016: 24 · 2015: 21 · 2014: 17 · 2013: 17 · 2012: 12
FWCI: 16.04
Type: journal article
Language: en
Open access: bronze
doi.org
Locations: Neurology (publishedVersion)
Europe PMC (PubMed Central) (publishedVersion)
PubMed Central (publishedVersion)
PubMed (publishedVersion)
Lincoln (University of Nebraska) (submittedVersion)
Funders: National Operating Committee on Standards for Athletic Equipment (NOCSAE 04-07)
National Institutes of Health
National Cancer Institute (P30CA023108)
National Institute of Neurological Disorders and Stroke (R01NS055020)
Eunice Kennedy Shriver National Institute of Child Health and Human Development (R01HD048638)
Topics: Health Sciences › Medicine › Clinical Neurology › Traumatic Brain Injury Research
Health Sciences › Medicine › Orthopedics and Sports Medicine › Sports injuries and prevention
Physical Sciences › Engineering › Biomedical Engineering › Automotive and Human Injury Biomechanics
Keywords: repetitive head impacts, cognitive performance, collegiate athletes, contact sports, football, ice hockey, head impact exposure, new learning, impact, California Verbal Learning Test, reaction time, neuropsychological assessment
MeSH terms: Adolescent, Analysis of Variance, Athletic Injuries, Brain Concussion, Cognition, Cognition Disorders, Female, Humans, Learning, Male, Memory, Neuropsychological Tests, Sports, Students, Universities, Cohort Studies, Confounding Factors, Epidemiologic, Young Adult

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Cognitive effects of one season of head impacts in a cohort of collegiate contact sport athletes

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