The effect of target and non-target similarity on neural classification performance: a boost from confidence

Frontiers in Neuroscience
Amar R MaratheHubert Cecotti

Abstract

Brain computer interaction (BCI) technologies have proven effective in utilizing single-trial classification algorithms to detect target images in rapid serial visualization presentation tasks. While many factors contribute to the accuracy of these algorithms, a critical aspect that is often overlooked concerns the feature similarity between target and non-target images. In most real-world environments there are likely to be many shared features between targets and non-targets resulting in similar neural activity between the two classes. It is unknown how current neural-based target classification algorithms perform when qualitatively similar target and non-target images are presented. This study address this question by comparing behavioral and neural classification performance across two conditions: first, when targets were the only infrequent stimulus presented amongst frequent background distracters; and second when targets were presented together with infrequent non-targets containing similar visual features to the targets. The resulting findings show that behavior is slower and less accurate when targets are presented together with similar non-targets; moreover, single-trial classification yielded high levels of misclassi...Continue Reading

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Citations

Mar 5, 2016·Brain Topography·Benjamin T FilesAmar R Marathe
Nov 26, 2015·IEEE Transactions on Neural Systems and Rehabilitation Engineering : a Publication of the IEEE Engineering in Medicine and Biology Society·Amar MaratheBrent Lance
Jul 28, 2016·International Journal of Psychophysiology : Official Journal of the International Organization of Psychophysiology·Hubert Cecotti, Anthony J Ries
Oct 8, 2016·Frontiers in Neuroscience·Nicholas R WaytowichBrent J Lance
Jul 2, 2019·Frontiers in Human Neuroscience·Amelia J SolonStephen M Gordon
Nov 4, 2017·Journal of Neural Engineering·Stephanie LeesDamien Coyle
Sep 7, 2019·NeuroImage·Nima Bigdely-ShamloKay Robbins
Mar 9, 2017··Stephen M. GordonAmelia J. Solon

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Software Mentioned

prime
BLDA
EEGLAB
ERPLAB
XD
xDAWN

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