Table 1 Characteristics of the participants with respect to demographics, hand function and basic measures of corticomotor excitability (All values represent Mean ± SD)
Young | Senior | |
|---|---|---|
(n=13) | (n=17) | |
Demographics | ||
Age (years) | 22.4 ± 3.0 | 73.0 ±7.6 |
Gender (n) | 9 M, 4 F | 6 M, 11 F |
Edinburgh Handedness score (/20) | 15.7 ± 3.4 | 17.7 ± 2.6 |
Hand Function | ||
Dexterity | RH: 55.5 ± 4.9** | RH: 88.5 ± 33.6** |
(GPT in s) | LH: 67.5 ± 6.9 | LH: 100.3 ± 38.9 |
Pinch | RH: 10.1 ± 2.6** | RH: 7.2 ± 1.6 |
Strength (kg) | LH: 9.1 ± 2.4 | LH: 6.7 ± 1.7 |
Corticomotor excitability a | ||
rMT | RH: 61.0 ± 11.3 | RH:70.1 ± 11.5** |
(% output) | LH: 57.6 ± 8.3 | LH: 65.9 ± 13.0 |
MEP amplitude (mV) | RH: 5.6 ± 1.8 | RH: 3.6 ± 1.2 |
LH: 5.5 ± 1.8 | LH: 3.5 ± 1.5 | |
MEP Latency (ms) | RH: 20.2 ± 1.8 | RH: 21.8 ± 2.1 |
LH: 20.1 ± 1.5 | LH: 21.7 ± 2.3 | |
cSP duration (ms) | RH: 141.5 ± 34.8 | RH: 115.9 ± 24.2 |
LH: 148.9 ± 37.9 | LH: 115.3 ± 26.0 |