Table 2a.

Summary of regression modeling of post-stroke duration and post-training PLIC integrity for baseline performance and motor learning

Stroke Group	Predictors	R2	F statistic	Significance	βPSD	βage	βipsi	βcontra
Baseline Performance
Model 1	PSD, age	0.379	3.050	0.092	0.459	0.231
Model 2	PSD, age, FAIpsi	0.446	2.415	0.134	0.730	0.122	0.347
Model 3	PSD, age, FAIpsi, FAContra	0.458	1.692	0.244	0.787	0.199	0.381	0.157
Day 7 - Day 1 Change
Model 1	PSD, age	0.008	0.041	0.960	0.049	0.053
Model 2	PSD, age, FAIpsi	0.649	5.545	0.020*	−0.788*	0.393	−1.073*
Model 3	PSD, age, FAIpsi, FAContra	0.746	5.885	0.016*	−0.948*	0.175	−1.167*	−0.441
Healthy Group	Predictors	R2	F statistic	Significance	βage	βipsi	βcontra
Baseline Performance
Model 1	Age	0.142	1.163	0.317	−0.377
Model 2	Age, FAIpsi	0.190	0.705	0.531	−0.366	0.219
Model 3	Age, FAIpsi, FAContra	0.226	0.487	0.706	−0.443	−0.121	0.394
Day 7 - Day 1 Change
Model 1	Age	0.241	2.226	0.179	0.491
sdModel 2	Age, FAIpsi	0.241	0.954	0.437	0.491	−0.003
Model 3	Age, FAIpsi, FAContra	0.244	0.537	0.677	0.511	0.082	−0.099