Effect of latency on clustering of P300 recordings for ADHD discrimination. Peluffo-Ordonez, D., H., Martinez-Vargas, J., D., & Castellanos-Dominguez, G. In 2012 Annual International Conference of the IEEE Engineering in Medicine and Biology Society, pages 5202-5205, 8, 2012. IEEE. ![Effect of latency on clustering of P300 recordings for ADHD discrimination [link]](https://bibbase.org/img/filetypes/link.svg "link")
Website doi abstract bibtex This paper is focused on testing the latency contribution as regards the quality of formed groups for discriminating between healthy and attention deficit hyperactivity disorder children. To this end, two different cases are considered: nonaligned original recordings and aligned signals according to P300 position. For latter case, a novel approach to conduct time location of P300 component is introduced, which is based on derivative of event-related potential signals. The used database holds event-related potentials registered in auditory and visual oddball paradigm. Several experiments are carried out testing both configurations of considered data matrix. For grouping input data matrices, the k-means clustering technique is employed. To assess the quality of formed clusters and the relevance for clustering of latency-based features, relative values of distances between centroids and data points are computed in order to apprise separability and compactness of estimated clusters. Experimental results show that time localization of P300 component is not a decisive feature in formation of compact and well-defined groups within a discrimination framework for two considered data classes under certain conditions. © 2012 IEEE.
@inproceedings{
title = {Effect of latency on clustering of P300 recordings for ADHD discrimination},
type = {inproceedings},
year = {2012},
pages = {5202-5205},
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month = {8},
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abstract = {This paper is focused on testing the latency contribution as regards the quality of formed groups for discriminating between healthy and attention deficit hyperactivity disorder children. To this end, two different cases are considered: nonaligned original recordings and aligned signals according to P300 position. For latter case, a novel approach to conduct time location of P300 component is introduced, which is based on derivative of event-related potential signals. The used database holds event-related potentials registered in auditory and visual oddball paradigm. Several experiments are carried out testing both configurations of considered data matrix. For grouping input data matrices, the k-means clustering technique is employed. To assess the quality of formed clusters and the relevance for clustering of latency-based features, relative values of distances between centroids and data points are computed in order to apprise separability and compactness of estimated clusters. Experimental results show that time localization of P300 component is not a decisive feature in formation of compact and well-defined groups within a discrimination framework for two considered data classes under certain conditions. © 2012 IEEE.},
bibtype = {inproceedings},
author = {Peluffo-Ordonez, D. H. and Martinez-Vargas, J. D. and Castellanos-Dominguez, G.},
doi = {10.1109/EMBC.2012.6347166},
booktitle = {2012 Annual International Conference of the IEEE Engineering in Medicine and Biology Society}
}
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