Detection of evoked responses by bootstrap methods: new parameters and ROC analysis
Lv, J., Simpson, D.M. and Bell, S.L. (2006) Detection of evoked responses by bootstrap methods: new parameters and ROC analysis. In, MEDSIP 2006, Advances in Medical Signal and Information Processing, Glasgow, Scotland, 17 - 19 Jul 2006. UK, , 1-4.
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The aim of this work is to describe and evaluate extensions to a bootstrap technique for detecting ABRs. These methods give significance levels (p-values) for: 1) the correlation coefficient between repeated measurements of the ABR, and 2) the mean absolute value of the ABR. Monte-Carlo simulations of the EEG with and without added 'responses' were used to estimate ROC curves and compare the techniques. The methods were also used to estimate hearing thresholds in 12 normal-hearing subjects. The correlation coefficient was found to provide rather poorer results than the mean absolute value both in simulations and in human recordings. The latter method gave hearing thresholds that are similar (or better) than human observers in visual inspection of the ABR.
|Item Type:||Conference or Workshop Item (Paper)|
|Subjects:||Q Science > QA Mathematics > QA75 Electronic computers. Computer science|
|Divisions:||University Structure - Pre August 2011 > Institute of Sound and Vibration Research
University Structure - Pre August 2011 > Institute of Sound and Vibration Research > Signal Processing and Control
|Date Deposited:||20 Aug 2008|
|Last Modified:||02 Mar 2012 12:51|
|RDF:||RDF+N-Triples, RDF+N3, RDF+XML, Browse.|
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