| abstract |
A sensor device measures bio-signals including one or more of electroencephalogram (EEG), heartbeat, electromyography (EMG), body temperature, body location, time, movement and velocity. The sensor device can include a circular fabric based headband with electrodes (conductive fabric sensing material) embedded therein, along with electronical circuitry and electrical wires. Electrodes can be positioned to make electrical contact with the scalp of a subject. For example, electroencephalography (EEG) measures the voltage changes resulting from ionic current with the neurons of the brain over a time period. By using multiple electrodes in contact with the scalp of the subject, neural oscillations can be detected in EEG measurements. |