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Long-term intensive training induced brain structural changes in world class gymnasts.

Ruiwang Huang1, Min Lu, Zheng Song

  • 1State Key Laboratory of Cognitive Neuroscience and Learning, Beijing Normal University, Beijing, 100875, People's Republic of China, ruiwang.huang@gmail.com.

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|December 4, 2013
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Summary
This summary is machine-generated.

World-class gymnasts exhibit distinct brain structure changes due to intensive training. Their brains show altered white and gray matter, potentially enhancing spatial awareness and movement control.

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Area of Science:

  • Neuroscience
  • Sports Science
  • Human Anatomy

Background:

  • Long-term motor training is known to influence brain structures.
  • Evidence for anatomical brain changes in elite athletes, specifically gymnasts, is limited.
  • Understanding these adaptations can provide insights into skill acquisition and neural plasticity.

Purpose of the Study:

  • To investigate and compare brain structural differences between world-class gymnasts (WCG) and non-athlete control groups.
  • To identify specific white matter and gray matter alterations associated with intensive gymnastic training.
  • To explore the relationship between observed brain changes and gymnastic-specific abilities.

Main Methods:

  • Utilized diffusion-weighted and structural magnetic resonance imaging (MRI) for brain analysis.
  • Applied voxel-based morphometry (VBM) and tract-based spatial statistics (TBSS).
  • Employed a novel method of constructing intersecting regions from multiple between-group comparisons to minimize false positives.

Main Results:

  • Significantly decreased fractional anisotropy (FA) in white matter tracts (e.g., superior longitudinal fasciculus) in WCG.
  • Reduced gray matter in specific areas, including motor regions and the middle cingulum, in WCG.
  • Increased gray matter density observed in WCG, particularly in regions associated with spatial processing and visual-cortex (e.g., parietal lobule, occipital cortex).

Conclusions:

  • Intensive, long-term gymnastic training induces significant, measurable changes in both white and gray matter brain structures.
  • These structural adaptations may underlie the exceptional motor control, spatial estimation, and proprioception characteristic of elite gymnasts.
  • The findings offer new insights into neuroplasticity driven by specialized motor expertise and validate a robust method for detecting subtle brain differences.