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NeuroBits: Designing Microbead Wearable EEG Electrodes for Human-Computer Interfaces

Author
Luo, Elle
Abstract
Conventional EEG devices are usually large headsets that rely on gel-connections or spiky dry-electrodes to sense brain signals. Most of these devices cause irritation on the scalp, hinder body movements, and negatively impact the user’s comfort. This may limit the potential of neurotechnology for daily use in realistic situations. To address this problem, we present NeuroBits, wearable EEG electrodes that are seamless, lightweight, and tiny. These electrodes use silicone microbeads to attach to a strand of hair and blend in fluidly, while also having the capacity to continuously record brain signals inside and outside of the laboratory. The NeuroBits system was evaluated favorably in a user study of 14 participants, examining signal quality, user experience, and perceptions towards social acceptance in a natural environment, in comparison against OpenBCI, a commercially available mobile-EEG device. By integrating human-factors design into conventional neurotechnology, NeuroBits provides a novel wearable means of monitoring brain activity in real-world settings.
Description
101 pages
Date Issued
2021-12Subject
social acceptance; user experience; wearable EEG
Committee Chair
Kalantari, Saleh
Committee Member
Guimbretiere, Francois V.
Degree Discipline
Design and Environmental Analysis
Degree Name
M.S., Design and Environmental Analysis
Degree Level
Master of Science
Rights
Attribution 4.0 International
Rights URI
Type
dissertation or thesis
Except where otherwise noted, this item's license is described as Attribution 4.0 International