2004
DOI: 10.1016/j.clinph.2003.11.016
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On wavelet analysis of auditory evoked potentials

Abstract: This study demonstrates the practical importance of, and explains how to minimize potential artefacts due to, 4 inter-related issues relevant to AEP WT MRA, namely shift variance, phase distortion, reconstruction smoothness, and boundary artefacts.

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Cited by 67 publications
(43 citation statements)
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“…Improper selection of center frequency and bandwidth related with the mother wavelet would cause in a decrease of the resolution in both time and frequency therefore detailed analysis for the proper selection of mother wavelet which is given for auditory evoked potentials in [23]. The time domain evoked potentials of averaged 27 sweeps for non-target and target are given with their continuous wavelet transforms in Fig.…”
Section: Resultsmentioning
confidence: 99%
See 1 more Smart Citation
“…Improper selection of center frequency and bandwidth related with the mother wavelet would cause in a decrease of the resolution in both time and frequency therefore detailed analysis for the proper selection of mother wavelet which is given for auditory evoked potentials in [23]. The time domain evoked potentials of averaged 27 sweeps for non-target and target are given with their continuous wavelet transforms in Fig.…”
Section: Resultsmentioning
confidence: 99%
“…The signals acquired by AEP were analyzed by continuous time wavelet transform where the mother wavelet was chosen as Bspline basis function as recommended in [21][22][23]. Improper selection of center frequency and bandwidth related with the mother wavelet would cause in a decrease of the resolution in both time and frequency therefore detailed analysis for the proper selection of mother wavelet which is given for auditory evoked potentials in [23].…”
Section: Resultsmentioning
confidence: 99%
“…Each averaged ABR waveform was then baseline shifted to a starting baseline of 0 lV, and decomposed using a six level OCDWT with dyadic scaling at each new scale. A biorthogonal 5.5 mother wavelet was used for the wavelet decomposition [as recommended by Bradley and Wilson (2004)]. The resulting wavelet coefficients were used to reconstruct the ABR waveform at approximation level A6 (0-391 Hz), and detail levels D6 (391-781 Hz) and D5 (781-1563 Hz).…”
Section: Signal Processingmentioning
confidence: 99%
“…The discrete wavelet transform (DWT), and its use as a multiresolution analysis (MRA) tool, has been widely described in the literature (Jawerth and Sweldens, 1994;Hess-Nielsen and Wickerhauser, 1996;Unser and Aldroubi, 1996;Blinowska and Durka, 1997;Samar et al, 1999;Wilson, 2002;Bradley and Wilson, 2004;Wilson, 2004;Zhang et al, 2004;Bradley and Wilson, 2005;Zhang et al, 2005). In summary, the DWT is a form of digital filtering capable of deconstructing a signal into its component scales (frequency ranges), and then detailing how each scale evolves over time.…”
Section: The Over-complete Discrete Wavelet Transformmentioning
confidence: 99%
“…Several approaches have been developed to analyze and classify biomedicine signals: electroencephalography signals [7], electrocardiogram signals [8], and particularly signals based on Auditory Brainstem Response (ABR) test, which is a test for hearing and brain (neurological) functioning, [6,[14][15][16]. Traditionally, biomedicine signals are processed using signal processing approaches, mainly based on peak and wave identification from pattern recognition approaches, such as in [6][7][8][14][15][16]. The main problem is then to identify pertinent parameters.…”
Section: Introductionmentioning
confidence: 99%