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Abstract #2080

Soccer Heading is Associated with Loss of Gray Matter-White Matter Contrast in Females, but not Males

Joan Song1, Roman Fleysher2, Kenny Ye3, and Michael L. Lipton2,4
1Albert Einstein College of Medicine, Bronx, NY, United States, 2Radiology, Columbia University Irving Medical Center, NY, NY, United States, 3Epidemiology and Population Health, Albert Einstein College of Medicine, Bronx, NY, United States, 4Biomedical Engineering, Columbia University, NY, NY, United States

Synopsis

Keywords: Traumatic Brain Injury, Traumatic brain injury, Repetitive Head Impacts

Motivation: Repetitive head impacts (RHI) from soccer heading are associated with excess adverse effects on cognitive performance among women. Preclinical and biomechanical studies point to the cerebral gray-white interface (GWI) as a region susceptible to shear force trauma.

Goal(s): We characterize tissue differentiation near the GWI using T1-weighted imaging to study the effects of RHI, particularly in females.

Approach: We calculated GM/WM contrast in a group of adult amateur soccer players, and performed sex stratified analyses.

Results: This study identified attenuation of GM/WM contrast at the GWI in female, but not male amateur soccer players, indicating sex-specific susceptibility to adverse effects of RHI.

Impact: Our results place focus on women as uniquely affected by adverse brain effects of heading, identify heading-associated pathology at an underappreciated brain location and can be readily applied to analysis of existing clinical images and datasets.

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