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332920 occurrences (No.57 in the rank) during 5 years in the PubMed. [no cache] 500 found

424) Our findings suggest that our method of constructing intersecting regions from multiple between-group comparison can considerably reduce the false positives, and our results provide new insights into the brain structure changes induced by long-term intensive gymnastic training.

--- ABSTRACT ---

PMID:24297657 DOI:10.1007/s00429-013-0677-5

2015 Brain structure & function

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

- Many previous studies suggested that both short-term and long-term motor training can modulate brain structures. However, little evidence exists for such brain anatomical changes in top-level gymnasts. Using diffusion-weighted and structural magnetic resonance images of the human brain, we applied voxel-based morphometry (VBM) and tract-based spatial statistics (TBSS) as well as FA-VBA (voxel-based analysis of fractional anisotropy, a VBM-style analysis) methods to quantitatively compare the brain structural differences between the world class gymnasts (WCG) and the non-athlete groups. In order to reduce the rate of false positive findings, we first determined that the clusters defined at a threshold of t > 2.3 and a cluster significance of p < 0.05 (FWE-corrected) across all subjects were the brain regions that showed significant differences in a between-group comparison. We then constructed several between-group comparisons based on the repeated diffusion or structural MRI data and created the intersecting regions from multiple between-group comparisons. Thus, we found significantly decreased fractional anisotropy (FA) not only in the white matter of the WCG in areas that included the bilateral superior longitudinal fasciculus, inferior longitudinal fasciculus, and inferior occipito-frontal fascicle, but also in the gray matter of the WCG in areas that included the bilateral middle cingulum, bilateral postcentral gyri, and bilateral motor regions. We also identified significantly increased gray matter density in the WCG, especially in the left inferior frontal gyrus, bilateral inferior and superior parietal lobule, bilateral superior lateral occipital cortex, left cuneus, left angular gyrus, and right postcentral gyrus. We speculate that the brain changes of the WCG may reflect the gymnasts' extraordinary ability to estimate the direction of their movements, their speed of execution, and their identification of their own and surrounding objects' locations. Our findings suggest that our method of constructing intersecting regions from multiple between-group comparison can considerably reduce the false positives, and our results provide new insights into the brain structure changes induced by long-term intensive gymnastic training.

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--- WordNet output for changes --- Overview of noun change The noun change has 10 senses (first 7 from tagged texts) 1. (46) change, alteration, modification -- (an event that occurs when something passes from one state or phase to another; "the change was intended to increase sales"; "this storm is certainly a change for the worse"; "the neighborhood had undergone few modifications since his last visit years ago") 2. (45) change -- (a relational difference between states; especially between states before and after some event; "he attributed the change to their marriage") 3. (17) change -- (the action of changing something; "the change of government had no impact on the economy"; "his change on abortion cost him the election") 4. (13) change -- (the result of alteration or modification; "there were marked changes in the lining of the lungs"; "there had been no change in the mountains") 5. (2) change -- (the balance of money received when the amount you tender is greater than the amount due; "I paid with a twenty and pocketed the change") 6. (1) change -- (a thing that is different; "he inspected several changes before selecting one") 7. (1) change -- (a different or fresh set of clothes; "she brought a change in her overnight bag") 8. change -- (coins of small denomination regarded collectively; "he had a pocketful of change") 9. change -- (money received in return for its equivalent in a larger denomination or a different currency; "he got change for a twenty and used it to pay the taxi driver") 10. variety, change -- (a difference that is usually pleasant; "he goes to France for variety"; "it is a refreshing change to meet a woman mechanic") Overview of verb change The verb change has 10 senses (first 8 from tagged texts) 1. (57) change, alter, modify -- (cause to change; make different; cause a transformation; "The advent of the automobile may have altered the growth pattern of the city"; "The discussion has changed my thinking about the issue") 2. (54) change -- (undergo a change; become different in essence; losing one's or its original nature; "She changed completely as she grew older"; "The weather changed last night") 3. (13) change, alter, vary -- (become different in some particular way, without permanently losing one's or its former characteristics or essence; "her mood changes in accordance with the weather"; "The supermarket's selection of vegetables varies according to the season") 4. (7) switch, shift, change -- (lay aside, abandon, or leave for another; "switch to a different brand of beer"; "She switched psychiatrists"; "The car changed lanes") 5. (6) change -- (change clothes; put on different clothes; "Change before you go to the opera") 6. (5) change, exchange, commute, convert -- (exchange or replace with another, usually of the same kind or category; "Could you convert my dollars into pounds?"; "He changed his name"; "convert centimeters into inches"; "convert holdings into shares") 7. (3) exchange, change, interchange -- (give to, and receive from, one another; "Would you change places with me?"; "We have been exchanging letters for a year") 8. (3) transfer, change -- (change from one vehicle or transportation line to another; "She changed in Chicago on her way to the East coast") 9. deepen, change -- (become deeper in tone; "His voice began to change when he was 12 years old"; "Her voice deepened when she whispered the password") 10. change -- (remove or replace the coverings of; "Father had to learn how to change the baby"; "After each guest we changed the bed linens") --- WordNet end ---