Continuous wavelet analysis of postprandial EGGs suggests sustained gastric slow waves may be slow to develop in infants with colic

Electrogastrography in conjunction with Fast Fourier transform has limited success in detecting low grade abnormalities in gastric electrophysiological activity owing to the non‐stationarity of the signal. Analysis by continuous wavelet transform is suitable for non‐stationary signals and was used to analyse EGG activity in babies with and without colic.

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