Abstract #1618

Cognitive Performance and Brain Connectivity in High-Contact and Low-Contact Sport Athletes

Mahta Karimpoor¹, Hossein Moein Taghavi¹, Marios Georgiadis¹, Jessica Towns², Nicholas Cecchi², Brian Mills¹, Narvin Phouksouvath¹, Maged Goubran³, Nicole Mouchawar¹, Sohrab Sami¹, Max Wintermark¹, Gerald Grant⁴, David Camarillo², and Michael Zeineh¹

¹Radiology, Stanford University, Stanford, CA, United States, ²Bioengineering, Stanford University, Stanford, CA, United States, ³Medical Biophysics, University of Toronto, Toronto, ON, Canada, ⁴Neurosurgery, Stanford University, Stanford, CA, United States

Synopsis

Keywords: Traumatic Brain Injury, Traumatic brain injury, Brain Connectivity, high-contact sports, resting state functional connectivity

Motivation: Repetitive head impact in contact sports is linked to long-term cognitive sequelae, but the complexities of these changes remain unclear.

Goal(s): Determine potential relationships between resting-state functional connectivity (rsFC) and cognitive performance differential between high- and low-contact sports.

Approach: We assessed baseline rsFC and cognitive performance in PAC-12 athletes using rsfMRI and the ImPACT test.

Results: Enhanced ImPACT visual-motor-speed performance was present in low-contact sports and associated with increased connectivity between attentional networks and sensorimotor/visual/auditory regions. High-contact sports showed less connectivity between these motor and auditory regions, but more connectivity between these motor and visual regions.

Impact: This research sheds light on how repetitive head impacts in contact sports affect cognitive function and brain connectivity.

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