Electroacupuncture Promotes Neuroplasticity of Central Auditory Pathway: An Auditory Evoked Potentials Study
Table 1
Effect of electroacupuncture at the right TE3 on peak latency and interpeak latency of auditory brainstem response (ABR) recordings.
Baseline
D3
D5
D8
Peak latency (ms)
I
EA
1.007 ± 0.046
1.290 ± 0.024∗∗
1.094 ± 0.099
1.005 ± 0.010
Control
1.013 ± 0.041
0.968 ± 0.048
1.005 ± 0.028
0.970 ± 0.057
III
EA
2.758 ± 0.066
3.475 ± 0.091∗∗∗
3.050 ± 0.389
2.785 ± 0.145
Control
2.837 ± 0.202
2.673 ± 0.077
2.675 ± 0.117
2.692 ± 0.257
V
EA
4.703 ± 0.081
5.880 ± 0.073∗∗∗
5.344 ± 0.376
4.738 ± 0.035
Control
4.808 ± 0.124
4.602 ± 0.106
4.457 ± 0.105
4.940 ± 0.539
Interpeak latency (ms)
I–III
EA
1.752 ± 0.037
2.185 ± 0.068∗∗
1.956 ± 0.292
1.780 ± 0.139
Control
1.823 ± 0.199
1.705 ± 0.037
1.670 ± 0.093
1.722 ± 0.202
III–V
EA
1.945 ± 0.045
2.405 ± 0.058∗∗
2.294 ± 0.155
1.953 ± 0.165
Control
1.972 ± 0.097
1.928 ± 0.099
1.782 ± 0.044∗
2.248 ± 0.284
I–V
EA
3.697 ± 0.070
4.590 ± 0.058∗∗
4.250 ± 0.284
3.733 ± 0.043
Control
3.795 ± 0.114
3.633 ± 0.099
3.452 ± 0.085∗
3.970 ± 0.485
Latency shift (ms)
I
EA
0.000 ± 0.000
0.298 ± 0.033##
0.076 ± 0.111
−0.013 ± 0.043
Control
0.000 ± 0.000
−−0.045 ± 0.057
−0.008 ± 0.047
−0.036 ± 0.032
III
EA
0.000 ± 0.000
0.718 ± 0.038##
0.274 ± 0.432
0.030 ± 0.161
Control
0.000 ± 0.000
−0.163 ± 0.130
−0.162 ± 0.316
−0.162 ± 0.374
V
EA
0.000 ± 0.000
1.160 ± 0.082##
0.616 ± 0.433#
0.058 ± 0.116
Control
0.000 ± 0.000
−0.207 ± 0.138
−0.352 ± 0.209
0.126 ± 0.544
Interpeak latency shift (ms)
I–III
EA
0.000 ± 0.000
0.420 ± 0.041#
0.198 ± 0.328
0.043 ± 0.127
Control
0.000 ± 0.000
−0.118 ± 0.177
−0.153 ± 0.292
−0.126 ± 0.343
III–V
EA
0.000 ± 0.000
0.443 ± 0.069
0.342 ± 0.193#
0.028 ± 0.188
Control
0.000 ± 0.000
−0.043 ± 0.139
−0.190 ± 0.110
0.288 ± 0.250
I–V
EA
0.000 ± 0.000
0.863 ± 0.088#
0.540 ± 0.352#
0.070 ± 0.100
Control
0.000 ± 0.000
−0.162 ± 0.156
−0.343 ± 0.184
0.162 ± 0.519
Data are presented as mean ± standard deviation (SD); EA: electroacupuncture group; control: control group; D3: third day after baseline recordings, D5: fifth day after baseline recordings; D8: eighth day after baseline recordings: wave I of ABR; III: wave III of ABR; V: wave V of ABR; shift: the value of D3, D5, or D8 minus the baseline value; ∗,∗∗,∗∗∗,∗∗∗∗ compared with baseline; #,## compared with control.
