Regulation of brain cognitive states through auditory, gustatory, and olfactory stimulation with wearable monitoring.

Publisher: Nature Publishing Group Country of Publication: England NLM ID: 101563288 Publication Model: Electronic Cited Medium: Internet ISSN: 2045-2322 (Electronic) Linking ISSN: 20452322 NLM ISO Abbreviation: Sci Rep Subsets: MEDLINE

Original Publication: London : Nature Publishing Group, copyright 2011-

Acoustic Stimulation* ; Brain*/physiology ; Cognition*/physiology ; Memory, Short-Term*/physiology ; Smell*/physiology ; Taste*/physiology ; Wearable Electronic Devices*; Female ; Humans ; Male ; Arousal/physiology ; Coffee ; Datasets as Topic ; Music ; Perfume ; Pilot Projects ; Quality of Life ; Adult ; Electroencephalography

Inspired by advances in wearable technologies, we design and perform human-subject experiments. We aim to investigate the effects of applying safe actuation (i.e., auditory, gustatory, and olfactory) for the purpose of regulating cognitive arousal and enhancing the performance states. In two proposed experiments, subjects are asked to perform a working memory experiment called n-back tasks. Next, we incorporate listening to different types of music, drinking coffee, and smelling perfume as safe actuators. We employ signal processing methods to seamlessly infer participants' brain cognitive states. The results demonstrate the effectiveness of the proposed safe actuation in regulating the arousal state and enhancing performance levels. Employing only wearable devices for human monitoring and using safe actuation intervention are the key components of the proposed experiments. Our dataset fills the existing gap of the lack of publicly available datasets for the self-management of internal brain states using wearable devices and safe everyday actuators. This dataset enables further machine learning and system identification investigations to facilitate future smart work environments. This would lead us to the ultimate idea of developing practical automated personalized closed-loop architectures for managing internal brain states and enhancing the quality of life.
(© 2023. The Author(s).)

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0 (Coffee)
0 (Perfume)

Date Created: 20230808 Date Completed: 20230929 Latest Revision: 20230929

20231215

PMC10409795

10.1038/s41598-023-37829-z

37553409