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Orienteering as a Tool for Cognitive Research: An Implementation Guide

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Altered resting-state brain function in endurance athletes.

Shizhen Yan¹, Guang Zhao^2,3, Qihan Zhang^2,3

¹School of Health, Fujian Medical University, Fuzhou 350122, China.

Cerebral Cortex (New York, N.Y. : 1991)

|March 17, 2024

Summary

This summary is machine-generated.

Endurance athletes show altered brain network efficiency, with reduced global efficiency primarily in cerebellar regions but enhanced sensorimotor function. This highlights key brain changes associated with endurance training.

Keywords:

athletes endurance training rs-fMRI topological efficiency

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Area of Science:

Neuroscience
Sports Science
Brain Imaging

Background:

Previous studies show differences in brain activity and connectivity between athletes and non-athletes.
No research has explored brain functional network topological efficiency differences in endurance athletes.
Understanding these network changes is crucial for comprehending endurance training's impact on the brain.

Purpose of the Study:

To compare regional brain activity, functional connectivity, and topological efficiency between endurance athletes and non-athletes.
To investigate the functional basis of endurance training by analyzing brain network properties.
To identify specific brain regions and network characteristics affected by endurance training.

Main Methods:

Utilized functional magnetic resonance imaging (fMRI) to assess brain activity and connectivity.
Employed graph theoretical analysis to evaluate brain functional network topological efficiency.
Correlated neuroimaging findings with endurance training intensity parameters.

Main Results:

Significant correlations found between Regional Homogeneity in motor cortex, visual cortex, cerebellum, and training intensity.
Functional connectivity alterations in motor cortex, visual cortex, cerebellum, inferior frontal gyrus, and cingulate gyrus correlated with training intensity.
Athletes exhibited reduced global network efficiency, mainly due to decreased cerebellar nodal and local efficiency.
Sensorimotor regions (precentral gyrus, supplementary motor areas) showed increased nodal and local efficiency in athletes.

Conclusions:

Endurance training enhances regional brain activity in relevant areas.
Endurance athletes display altered brain functional network topology, characterized by reduced global efficiency and specific regional changes.
These findings provide new insights into the neurobiological mechanisms underlying endurance training's effects on brain network organization.