* Differential adaptation of descending motor tracts in musicians.
- Between-group comparisons of musicians and nonmusicians have revealed structural brain differences and also functional differences in motor performance. In this study, we aimed to examine the relation between white matter microstructure and high-level motor skills by contrasting 2 groups of musicians with different instrument-specific motor requirements. We used diffusion tensor imaging to compare diffusivity measures of different corticospinal motor tracts of 10 keyboard players, 10 string players, and 10 nonmusicians. Additionally, the maximal tapping rates of their left and right index fingers were determined. When compared with nonmusicians, fractional anisotropy (FA) values of right-hemispheric motor tracts were significantly higher in both musician groups, whereas left-hemispheric motor tracts showed significantly higher FA values only in the keyboard players. Voxel-wise FA analysis found a group effect in white matter underlying the right motor cortex. Diffusivity measures of fibers originating in the primary motor cortex correlated with the maximal tapping rate of the contralateral index finger across all groups. The observed between-group diffusivity differences might represent an adaptation to the specific motor demands of the respective musical instrument. This is supported further by finding correlations between diffusivity measures and maximal tapping rates.
=>1.さらにずっと, さらに先に, 一層遠く, その上, 更に, もっと遠い, なお一層の, さらに遠く,
もっと先に, いっそうはるかに, さらにまた, さらになお(furthermore), 2.進める, 助成する, 促進する
Overview of verb further
The verb further has 2 senses (first 2 from tagged texts)
1. (7) foster, further -- (promote the growth of; "Foster our children's well-being and education")
2. (2) promote, advance, boost, further, encourage -- (contribute to the progress or growth of; "I
am promoting the use of computers in the classroom")
Overview of adj further
The adj further has 1 sense (first 1 from tagged texts)
1. (2) further, farther -- (more distant in especially degree; "nothing could be further from the
truth"; "further from our expectations"; "farther from the truth"; "farther from our expectations")
Overview of adv further
The adv further has 3 senses (first 3 from tagged texts)
1. (33) further, farther -- (to or at a greater extent or degree or a more advanced stage (`further'
is used more often than `farther' in this abstract sense); "further complicated by uncertainty about
the future"; "let's not discuss it further"; "nothing could be further from the truth"; "they are
further along in their research than we expected"; "the application of the law was extended
farther"; "he is going no farther in his studies")
2. (10) further -- (in addition or furthermore; "if we further suppose"; "stated further that he
would not cooperate with them"; "they are definitely coming; further, they should be here already")
3. (1) farther, further -- (to or at a greater distance in time or space (`farther' is used more
frequently than `further' in this physical sense); "farther north"; "moved farther away"; "farther
down the corridor"; "the practice may go back still farther to the Druids"; "went only three miles
further"; "further in the future")
Overview of adv far
The adv far has 5 senses (first 4 from tagged texts)
1. (61) far -- (to a considerable degree; very much; "a far far better thing that I do"; "felt far
worse than yesterday"; "eyes far too close together")
2. (39) far -- (at or to or from a great distance in space; "he traveled far"; "strayed far from
home"; "sat far away from each other")
3. (22) far -- (at or to a certain point or degree; "I can only go so far before I have to give up";
"how far can we get with this kind of argument?")
4. (3) far -- (remote in time; "if we could see far into the future"; "all that happened far in the
past")
5. far -- (to an advanced stage or point; "a young man who will go very far")
--- WordNet end ---