Table 3. Diffusion tensor imaging attributes of corticospinal tract at two time points before and after therapy.

CST	Participant 1		Participant 2		Participant 3		Participant 4
FA	Pre	Post	Pre	Post	Pre	Post	Pre	Post
CST (TA)	0.62±0.11	0.67±0.10	0.63±0.12	0.66±0.13	0.69±0.08	0.71±0.10	0.59±0.11	0.57±0.10
CST(NTA)	0.63±0.15	0.69±0.16	0.72±0.13	0.75±0.11	0.67±0.11	0.72±0.14	0.61±0.13	0.65±0.15

Abbreviations: CST, corticospinal tract; DTI, diffusion tensor imaging; FA, fractional anisotropy (no units); NTA, non-trained arm; TA, trained arm.

Data are presented as mean±s.d.