Table 4 Frequency features from raw and envelope CBFV signals (values are in Hertz)

546 ± 47.3^a

523 ± 62.1

2.92 ± 0.43

2.91 ± 0.40

504 ± 80.6^a

488 ± 68.2

2.80 ± 0.46

2.72 ± 0.49

574 ± 115

539 ± 144

1.25 ± 0.62

1.08 ± 0.71

437 ± 202

421 ± 196

0.84 ± 0.81

0.71 ± 0.84

172 ± 15.8

174 ± 12.4^a

2.38 ± 0.33

2.40 ± 0.30

186 ± 16.1

193 ± 17.7^a

2.43 ± 0.24

2.37 ± 0.21