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Table 1 Peak amplitude (μV) and peak latencies (ms) of the P300 component in ‘pre’ and ‘post’ alternate nostril yoga breathing (ANYB) and breath awareness (BAW) (n = 20)

From: Changes in P300 following alternate nostril yoga breathing and breath awareness

Electrode site Variables ANYB BAW
   Pre Post Cohen's d Pre Post Cohen's d
Fz Amplitude (μV) 4.14 ± 2.81 7.37*** ± 4.82 0.85 4.36 ± 3.12 5.52 ± 3.84 0.33
Latency (ms) 355.75 ± 26.26 336.65* ± 27.82 0.72 351 ± 28.43 352.75 ± 20.82 0.07
Cz Amplitude (μV) 6.22 ± 5.59 10.06*** ± 6.21 0.65 6.55 ± 5.27 8.82* ± 5.10 0.44
Latency (ms) 359.85 ± 33.34 352.65 ± 26.18 0.24 356.55 ± 25.54 353.70 ± 31.57 0.10
Pz Amplitude (μV) 8.11 ± 4.96 11.12*** ± 5.37 0.58 8.55 ± 6.38 10.62 ± 5.52 0.35
  Latency (ms) 355.80 ± 32.02 346.95 ± 28.61 0.29 359.70 ± 20.09 354.30 ± 31.81 0.21
  1. ***P < .001, **P < .01, *P < .05 Bonferroni adjustment ‘Post’ compared with respective ‘Pre’ values Reference: Linked ear lobes.
  2. Values are group mean ± SD.