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Latency corrected wavelet filtering of the P300 event-related potential in young and old adults

Markazi, SA, Stergioulas, LK, Ramchurn, A and Bunce, D (2007) Latency corrected wavelet filtering of the P300 event-related potential in young and old adults Proceedings of the 3rd International IEEE EMBS Conference on Neural Engineering. pp. 582-586.

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Abstract

The purpose of this study was to apply a nonlinear wavelet denoising Alter to the extraction of transient evoked related potentials (ERPs) from background EEG. The study introduces a new method for Altering the P300, an ERP component evoked by performing a given cognitive task, in this case, a two-choice reaction time task. The method employed latency correction of the ERPs in the time domain, followed by noise-masking in the wavelet domain. With this filtering method, the P300 component was accurately localized in both time and scale. Wilcoxon tests verified the statistical significance of P300 peak amplitude differences (p<0.0003) between two age groups (old and young). © 2007 IEEE.

Item Type: Article
Authors :
NameEmailORCID
Markazi, SAUNSPECIFIEDUNSPECIFIED
Stergioulas, LKl.stergioulas@surrey.ac.ukUNSPECIFIED
Ramchurn, AUNSPECIFIEDUNSPECIFIED
Bunce, DUNSPECIFIEDUNSPECIFIED
Date : 25 September 2007
Identification Number : https://doi.org/10.1109/CNE.2007.369740
Depositing User : Symplectic Elements
Date Deposited : 16 May 2017 15:30
Last Modified : 17 May 2017 14:36
URI: http://epubs.surrey.ac.uk/id/eprint/820114

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