Preserved Transcallosal Inhibition to Transcranial Magnetic Stimulation in Nondemented Elderly Patients with Leukoaraiosis
Table 2
Single-pulse TMS data from both hemispheres of patients and controls.
Left hemisphere
Right hemisphere
Patients
Controls
P value
Patients
Controls
P value
rMT (%)
44.60 ± 9.41
46.87 ± 6.82
NS
42.47 ± 6.54
47.13 ± 6.26
NS
cSP (ms)
81.07 ± 30.55
70.93 ± 26.99
NS
90.53 ± 39.17
73.93 ± 29.64
NS
iSP latency (ms)
44.26 ± 4.81
45.26 ± 3.01
NS
46.00 ± 4.85
44.13 ± 5.89
NS
iSP duration (ms)
11.07 ± 6.54
9.00 ± 5.17
NS
8.87 ± 7.38
6.33 ± 6.66
NS
MEP latency (ms)
21.15 ± 1.94
20.66 ± 1.51
NS
20.84 ± 2.02
20.00 ± 1.63
NS
CMCT (ms)
5.81 ± 1.07
6.29 ± 1.25
NS
5.71 ± 0.47
5.76 ± 1.20
NS
CMCTF (ms)
5.93 ± 1.17
6.02 ± 1.14
NS
5.64 ± 0.97
5.31 ± 1.15
NS
MEP ratio
0.39 ± 0.12
0.33 ± 0.09
NS
0.43 ± 0.13
0.46 ± 0.12
NS
F-wave (mV)
0.10 ± 0.04
0.11 ± 0.05
NS
0.13 ± 0.10
0.09 ± 0.04
NS
All values are expressed as mean ± SD. rMT: resting motor threshold; cSP: controlateral silent period; iSP: ipsilateral silent period; MEP ratio: motor-evoked potential amplitude ratio; CMCT: central motor conduction time; CMCTF: central motor conduction time obtained with the F-wave; F-wave : F-wave amplitude; NS: not significant.
