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NEURAL NETWORK CLASSIFICATION OF BRAIN HEMODYNAMIC RESPONSES FROM FOUR MENTAL TASKS

Title
NEURAL NETWORK CLASSIFICATION OF BRAIN HEMODYNAMIC RESPONSES FROM FOUR MENTAL TASKS
Author(s)
Abibullaev, BerdakhAn, JinungMoon, Jeon-Il
Issued Date
2011
Citation
International Journal of Optomechatronics, v.5, no.4, pp.340 - 359
Type
Article
Author Keywords
brain-computer interfacefunctional near infrared spectroscopymental task classificationneural networkswavelet transforms
Keywords
ACTIVATIONBrainBrain-Computer InterfaceBrain StudyCEREBRAL HemODYNAMICSClassification RatesCOMPUTER INTERFACEFunctional Near Infrared SpectroscopyHemodynamic ActivitiesHemodynamic ResponseHemodynamicsHUMAN BRAINMental Task ClassificationMental TasksNEAR-INFRARED SPECTROSCOPYNear Infrared SpectroscopyNetwork-BasedNeural Network ClassificationNeural Network ClassifierNeural Network ModelNeural NetworksOSCILLATIONSSIGNALSSingle LayerWavelet Transforms
ISSN
1559-9612
Abstract
We investigate subjects' brain hemodynamic activities during mental tasks using a nearinfrared spectroscopy. A wavelet and neural network-based methodology is presented for recognition of brain hemodynamic responses. The recognition is performed by a single layer neural network classifier according to a backpropagation algorithm with two error minimizing techniques. The performance of the classifier varied depending on the neural network model, but the performance was usually at least 90%. The classifier usually converged faster and attained a somewhat greater level of performance when an input was presented with only relevant features. The overall classification rate was higher than 94%. The study demonstrates the accurate classifiablity of human brain hemodynamic useful in various brain studies. © 2011 Copyright DGIST.
URI
http://hdl.handle.net/20.500.11750/1708
DOI
10.1080/15599612.2011.633209
Publisher
Taylor and Francis Inc.
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Appears in Collections:
Division of Intelligent Robot 1. Journal Articles
Division of Intelligent Robot Brain Robot Augmented InteractioN(BRAIN) Laboratory 1. Journal Articles

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