Table 3.
Cortical excitability measurements.
| Reference | Reference muscle | Coil type | RMT | AMT | MEP amplitude | CSP | Paired pulse stimulation intensity (MT, %) and interstimulus interval | ICF | SICI | ||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Hosomi et al. (126) |
APB | Figure 8 coil, 70 mm |
Patients: 65.5% (3)* |
NA | Patients: 655 μV (80) |
Patients: 167.9 ms (10.4) |
CS: 80% RMT TS: 120% RMT 2, 4, 10, and 15 ms |
Patients: 158.6% (16.5) ISIs: 10 and 15 ms |
↑ | Patients: 32.0% (8.7) ISIs: 2 and 4 ms |
↑ |
| Controls: 56.7% (2.3)* |
Controls: 707 μV (105) |
Controls: 148.4 ms (8.7) |
Controls: 168% (18.8) ISIs: 10 and 15 ms |
↑ | Controls: 47.3% (7) ISIs: 2 and 4 ms |
↑ | |||||
| Tang et al. (125) |
FDI | Figure 8 coil, 40 mm |
Stroke hemisphere: 49% (12.6) |
NA | NA | NA | CS: 70% RMT TS: 125% RMT 3, 5, 7, 10, 15, and 20 ms |
Stroke hemisphere ISIs: 5, 7, 10, and 15 ms* |
↑ | Stroke hemisphere SICI not detected |
|
| Unaffected hemisphere: 49.5% (8.5) |
Unaffected hemisphere ISI: 15 ms* |
↑ | Unaffected hemisphere ISI: 3 ms* |
↑ | |||||||
| Control stroke hemisphere: 48.9% (10.3) |
Control Stroke hemisphere ISIs: 10, 15, and 20 ms* |
↑ | Control Stroke hemisphere ISI: 3 ms* |
↑ | |||||||
| Control Unaffected hemisphere: 51.6% (10.7) |
Control Unaffected hemisphere ISIs: 10, 15, and 20 ms* |
↑ | Control Unaffected hemisphere ISI: 3 ms* |
↑ | |||||||
| Hasan et al. (127) |
FDI ATM |
Figure 8 coil, 90 mm |
Stroke hemisphere: 51.1% (4.0) |
NA | Stroke hemisphere: 0.99 mV (0.2) |
NA | NA | NA | NA | ||
| Unaffected hemisphere: 48.3% (3.5) |
Unaffected hemisphere: 1.12 mV (0.2) |
||||||||||
| Kobayashi et al. (128) |
FDI ATM |
Figure 8 coil, 70 mm |
NA | 58.9% (12) | NA | NA | NA | NA | NA | ||
↑ Indicates an increase or a decrease in SICI and ICF and their intensity.
APB, abductor pollicis brevis; FDI, first dorsal interosseous; ATM, anterior tibial muscle; RMT, resting motor threshold; MEP, motor evoked potential; AMT, active motor threshold; CSP, cortical silent period; ISI, interstimulus interval; NA, not assessed; CS, conditioning stimulation; TS, test stimulation; ICF, intracortical facilitation; SICI, short-interval intracortical inhibition.
*
P < 0.05.