Table 4.
Global basal ganglia functional connectivity for the split MS groups during the intrinsic alertness task.
| Task | Connectivity | Block 1 | Block 4 | ||||
|---|---|---|---|---|---|---|---|
| Mean | SD | Mean | SD | t value | df | ||
| Handgrip only | Caudate | 0.40 | 0.09 | 0.44 | 0.11 | −1.05 | 18 |
| Putamen | 0.42 | 0.10 | 0.41 | 0.10 | 0.21 | 18 | |
| Pallidum | 0.41 | 0.10 | 0.40 | 0.11 | 0.26 | 18 | |
| Average | 0.41 | 0.06 | 0.42 | 0.08 | −0.74 | 18 | |
| Mental imagery first | Caudate | 0.39 | 0.09 | 0.43 | 0.11 | 1.18* | 17 |
| Putamen | 0.39 | 0.08 | 0.41 | 0.09 | −0.84 | 17 | |
| Pallidum | 0.37 | 0.08 | 0.41 | 0.09 | 1.98* | 17 | |
| Average | 0.40 | 0.07 | 0.41 | 0.07 | −0.45 | 17 | |
Handgrip 1st n = 19; Mental Imagery 1st n = 18, * p < 0.05, ** p < 0.01. HC = healthy control, MS = multiple sclerosis, SD = standard deviation, df = degrees of freedom.