Diffusion Tensor Imaging Evaluation of Neural Network Development in Patients Undergoing Therapeutic Repetitive Transcranial Magnetic Stimulation following Stroke
Table 2
Analysis of FA and GFA values.
Preintervention FA value (mean ± SD)
Postintervention FA value (range)
value
Preintervention GFA value (range)
Postintervention GFA value (range)
value
Correlation between GFA change and FMA change
Correlation between GFA change and WMFT-LPT change
value
value
value
value
Brodmann area 4
Lesioned hemisphere
0.194 ± 0.023
0.195 ± 0.025
0.762
0.181 ± 0.006
0.186 ± 0.005
0.037
−0.137
0.420
−0.363
0.030
Nonlesioned hemisphere
0.207 ± 0.018
0.211 ± 0.013
0.069
0.193 ± 0.012
0.200 ± 0.014
<0.001
−0.092
0.588
−0.059
0.734
Brodmann area 6
Lesioned hemisphere
0.179 ± 0.006
0.181 ± 0.004
0.525
0.165 ± 0.0002
0.168 ± 0.001
0.093
−0.155
0.359
−0.236
0.165
Nonlesioned hemisphere
0.189 ± 0.002
0.190 ± 0.003
0.822
0.172 ± 0.007
0.175 ± 0.005
0.054
0.042
0.804
−0.269
0.112
Data are mean ± SD. . FA: fractional anisotropy; GFA: generalized fractional anisotropy; FMA: Fugl-Meyer assessment; WMFT-LPT: Wolf Motor Function Test-log performance time.
