Correspondence Between TOVA Test Results and Characteristics of EEG Signals Acquired Through the Muse Sensor in Positions AF7–AF8
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Issue Date
2021-01-01Keywords
EEG signalsMindfulness
Muse
Neurofeedback
Signal processing
TOVA test
Visual attention
Behavioral research
Brain
Electroencephalography
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Show full item recordJournal
Smart Innovation, Systems and TechnologiesDOI
10.1007/978-3-030-57566-3_11Additional Links
https://www.scopus.com/record/display.uri?eid=2-s2.0-85098139786&doi=10.1007%2f978-3-030-57566-3_11&origin=inward&txGid=4a21fc18f64e80ccacca94efed2f3f3fAbstract
This paper seeks to study the correspondence between the results of the test of variable of attention (TOVA) and the signals acquired by the Muse electroencephalogram (EEG) in the positions AF7 and AF8 of the cerebral cortex. There are a variety of research papers that estimates an index of attention in which the different characteristics in discrete signals of the brain activity were used. However, many of these results were obtained without contrasting them with standardized tests. Due to this fact, in the present work, the results will be compared with the score of the TOVA, which aims to identify an attention disorder in a person. The indicators obtained from the test are the response time variability, the average response time, and the d′ prime score. During the test, the characteristics of the EEG signals in the alpha, beta, theta, and gamma subbands such as the energy, average power, and standard deviation were extracted. For this purpose, the acquired signals are filtered to reduce the effect of the movement of the muscles near the cerebral cortex and then went through a subband decomposition process by applying transformed wavelet packets. The results show a well-marked correspondence between the parameters of the EEG signal of the indicated subbands and the visual attention indicators provided by TOVA. This correspondence was measured through Pearson’s correlation coefficient which had an average result of 0.8.Type
OtherRights
info:eu-repo/semantics/embargoedAccessDescription
El texto completo de este trabajo no está disponible en el Repositorio Académico UPC por restricciones de la casa editorial donde ha sido publicado.ISSN
21903018EISSN
21903026ae974a485f413a2113503eed53cd6c53
10.1007/978-3-030-57566-3_11
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