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In the development of human-centric systems, access to a large number of human information signals is required. Such signals can be acquired from both ambient and on-person (wearable) sensors. Large-area electronics (LAE) provide distinct capabilities for creating the required diverse, distributed and conformal sensors. However, the large volume of and complex correlation to target information within...
This paper presents an electroencephalogram (EEG) acquisition and biomarker-extraction system based on flexible, thin-film electronics. There exist commercial, single-use, flexible, pre-gelled electrode arrays; however, these are fully passive, requiring cabling to transfer sensitive, low-amplitude signals to external electronics for readout and processing. This work presents an active EEG acquisition...
EEG is an important modality for many medical purposes. However, the low-amplitude of signals (10-to-100µV) and large number of channels (∼20) raise numerous challenges, including electrode setup (correct placement, skin preparation, sanitation), patient comfort (number of channels, skin abrasion), and robust acquisition (electrode/wire motion artifacts, wire stray coupling). The recent emergence...
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