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Table 7 Frequency features from raw (denoted by the subscript r) and envelope (denoted by the subscript e) CBFV signals

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

  Spectral centroid Peak frequency Bandwidth
  R-ACA L-ACA R-ACA L-ACA R-ACA L-ACA
Rr 980 ± 193 939 ± 213 561 ± 308 564 ± 214 723 ± 116 564 ± 214
Wr 994 ± 184 950 ± 208 540 ± 239 584 ± 221 723 ± 116 696 ± 151
Gr 990 ± 192 939 ± 211 567 ± 269 527 ± 257 718 ± 120 690 ± 152
Re 13.3 ± 4.50 14.0 ± 4.30 0.36 ± 0.50 0.23 ± 0.46 13.5 ± 1.73 13.5 ± 1.43
We 13.5 ± 4.62 14.0 ± 4.30 0.38 ± 0.51 0.39 ± 0.55 13.5 ± 1.74 13.6 ± 1.47
Ge 13.5 ± 4.5 14.1 ± 4.36 0.45 ± 0.55 0.33 ± 0.51 13.5 ± 1.60 13.5 ± 1.37