標題: Sustained Attention in Real Classroom Settings: An EEG Study
作者: Ko, Li-Wei
Komarov, Oleksii
Hairston, W. David
Jung, Tzyy-Ping
Lin, Chin-Teng
生物資訊及系統生物研究所
分子醫學與生物工程研究所
腦科學研究中心
Institude of Bioinformatics and Systems Biology
Institute of Molecular Medicine and Bioengineering
Brain Research Center
關鍵字: EEG;classroom;real environment;sustained visual attention;mental fatigue;response time;spectral analysis
公開日期: 31-七月-2017
摘要: Sustained attention is a process that enables the maintenance of response persistence and continuous effort over extended periods of time. Performing attention-related tasks in real life involves the need to ignore a variety of distractions and inhibit attention shifts to irrelevant activities. This study investigates electroencephalography (EEG) spectral changes during a sustained attention task within a real classroom environment. Eighteen healthy students were instructed to recognize as fast as possible special visual targets that were displayed during regular university lectures. Sorting their EEG spectra with respect to response times, which indicated the level of visual alertness to randomly introduced visual stimuli, revealed significant changes in the brain oscillation patterns. The results of power-frequency analysis demonstrated a relationship between variations in the EEG spectral dynamics and impaired performance in the sustained attention task. Across subjects and sessions, prolongation of the response time was preceded by an increase in the delta and theta EEG powers over the occipital region, and decrease in the beta power over the occipital and temporal regions. Meanwhile, implementation of the complex attention task paradigm into a real-world classroom setting makes it possible to investigate specific mutual links between brain activities and factors that cause impaired behavioral performance, such as development and manifestation of classroom mental fatigue. The findings of the study set a basis for developing a system capable of estimating the level of visual attention during real classroom activities by monitoring changes in the EEG spectra.
URI: http://dx.doi.org/10.3389/fnhum.2017.00388
http://hdl.handle.net/11536/145876
ISSN: 1662-5161
DOI: 10.3389/fnhum.2017.00388
期刊: FRONTIERS IN HUMAN NEUROSCIENCE
Volume: 11
起始頁: 0
結束頁: 0
顯示於類別:期刊論文


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