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Table 8 Significant frequency features from raw (denoted by the subscript r) and envelope (denoted by the subscript e) CBFV signals where p<0.05

From: Cognitive tasks and cerebral blood flow through anterior cerebral arteries: a study via functional transcranial Doppler ultrasound recordings

Signal ACA Feature Group Group 1 Group 2
r R-ACA Spectral Centroid R M: 855 ± 198 F: 1090 ± 225
r R-ACA Spectral Centroid W M: 913 ± 204 F: 1060 ± 181
r R-ACA Spectral Centroid G M: 896 ± 203 F: 1066 ± 192
r R-ACA Bandwidth R M: 641 ± 107 F: 734 ± 118
r R-ACA Bandwidth W M: 675 ± 137 F: 763 ± 139
r R-ACA Bandwidth G M: 665 ± 141 F: 760 ± 138