Regional brain gray matter volume in world-class artistic gymnasts
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The Journal of Physiological Sciences Open Access
ORIGINAL PAPER
Regional brain gray matter volume in world‑class artistic gymnasts Makoto Fukuo1, Koji Kamagata2, Mana Kuramochi2,3, Christina Andica2, Hiroyuki Tomita1, Hidefumi Waki1* , Hidenori Sugano4, Yuichi Tange4, Takumi Mitsuhashi4, Wataru Uchida2,3, Yuki Takenaka2,3, Akifumi Hagiwara2,5, Mutsumi Harada1, Masami Goto6, Masaaki Hori2, Shigeki Aoki2 and Hisashi Naito1
Abstract The relationship between long-term intensive training and brain plasticity in gymnasts has recently been reported. However, the relationship between abilities in different gymnastic events and brain structural changes has not been explored. This study aimed to evaluate the correlation between world-class gymnasts (WCGs)’ specific abilities in different gymnastics events and their gray matter (GM) volume. Ten right-handed Japanese male WCGs and 10 righthanded gender- and age-matched controls with no history of gymnastic training participated in this study. Whole brain three-dimensional T1-weighted images (magnetization-prepared rapid gradient-echo sequence) with 0.90 mm3 voxels were obtained using a 3 T-MRI scanner from each subject. Volume-based morphometry (VolBM) was used to compare GM volume differences between WCGs and controls. We then explored the correlation between specific gymnastic abilities using different gymnastic apparatuses, and GM volume. Significantly higher GM volumes (false discovery rate-corrected p
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