Neuropsychological Change After a Single Season of Head Impact Exposure in Youth Football.
Cognition
Head impact exposure
NIH Toolbox
Neuropsychological test
Reliable change
Youth football
Journal
Journal of the International Neuropsychological Society : JINS
ISSN: 1469-7661
Titre abrégé: J Int Neuropsychol Soc
Pays: England
ID NLM: 9503760
Informations de publication
Date de publication:
02 2021
02 2021
Historique:
pubmed:
9
8
2020
medline:
29
10
2021
entrez:
9
8
2020
Statut:
ppublish
Résumé
Head impact exposure (HIE) in youth football is a public health concern. The objective of this study was to determine if one season of HIE in youth football was related to cognitive changes. Over 200 participants (ages 9-13) wore instrumented helmets for practices and games to measure the amount of HIE sustained over one season. Pre- and post-season neuropsychological tests were completed. Test score changes were calculated adjusting for practice effects and regression to the mean and used as the dependent variables. Regression models were calculated with HIE variables predicting neuropsychological test score changes. For the full sample, a small effect was found with season average rotational values predicting changes in list-learning such that HIE was related to negative score change: standardized beta (β) = -.147, t(205) = -2.12, and p = .035. When analyzed by age clusters (9-10, 11-13) and adding participant weight to models, the R2 values increased. Splitting groups by weight (median split), found heavier members of the 9-10 cohort with significantly greater change than lighter members. Additionaly, significantly more participants had clinically meaningful negative changes: X2 = 10.343, p = .001. These findings suggest that in the 9-10 age cluster, the average seasonal level of HIE had inverse, negative relationships with cognitive change over one season that was not found in the older group. The mediation effects of age and weight have not been explored previously and appear to contribute to the effects of HIE on cognition in youth football players.
Identifiants
pubmed: 32762785
pii: S1355617720000685
doi: 10.1017/S1355617720000685
pmc: PMC7867662
mid: NIHMS1604717
doi:
Types de publication
Journal Article
Research Support, N.I.H., Extramural
Langues
eng
Sous-ensembles de citation
IM
Pagination
113-123Subventions
Organisme : NINDS NIH HHS
ID : R01 NS094410
Pays : United States
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