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Pubmed for Handhelds

PUBMED FOR HANDHELDS

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  • Title: An Inflatable and Wearable Wireless System for Making 32-Channel Electroencephalogram Measurements.
    Author: Yu YH, Lu SW, Chuang CH, King JT, Chang CL, Chen SA, Chen SF, Lin CT.
    Journal: IEEE Trans Neural Syst Rehabil Eng; 2016 Jul; 24(7):806-13. PubMed ID: 26780814.
    Abstract:
    Potable electroencephalography (EEG) devices have become critical for important research. They have various applications, such as in brain-computer interfaces (BCI). Numerous recent investigations have focused on the development of dry sensors, but few concern the simultaneous attachment of high-density dry sensors to different regions of the scalp to receive qualified EEG signals from hairy sites. An inflatable and wearable wireless 32-channel EEG device was designed, prototyped, and experimentally validated for making EEG signal measurements; it incorporates spring-loaded dry sensors and a novel gasbag design to solve the problem of interference by hair. The cap is ventilated and incorporates a circuit board and battery with a high-tolerance wireless (Bluetooth) protocol and low power consumption characteristics. The proposed system provides a 500/250 Hz sampling rate, and 24 bit EEG data to meet the BCI system data requirement. Experimental results prove that the proposed EEG system is effective in measuring audio event-related potential, measuring visual event-related potential, and rapid serial visual presentation. Results of this work demonstrate that the proposed EEG cap system performs well in making EEG measurements and is feasible for practical applications.
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