NDLI: An externally head-mounted wireless neural recording device for laboratory animal research and possible human clinical use

Content Provider	IEEE Xplore Digital Library
Author	Ming Yin Hao Li Bull, C. Borton, D.A. Aceros, J. Larson, L. Nurmikko, A.V.
Copyright Year	2013
Description	Author affiliation: Broadcom Corp., Irvine, CA, USA (Hao Li) \|\| Sch. of Eng., Brown Univ., Providence, RI, USA (Ming Yin; Bull, C.; Larson, L.; Nurmikko, A.V.) \|\| Center for Neuroprosthetics in the Swiss Fed. Inst. of Technol., Lausanne, Switzerland (Borton, D.A.) \|\| Sch. of Eng., Univ. of North Florida, Jacksonville, FL, USA (Aceros, J.)
Abstract	In this paper we present a new type of head-mounted wireless neural recording device in a highly compact package, dedicated for untethered laboratory animal research and designed for future mobile human clinical use. The device, which takes its input from an array of intracortical microelectrode arrays (MEA) has ninety-seven broadband parallel neural recording channels and was integrated on to two custom designed printed circuit boards. These house several low power, custom integrated circuits, including a preamplifier ASIC, a controller ASIC, plus two SAR ADCs, a 3-axis accelerometer, a 48MHz clock source, and a Manchester encoder. Another ultralow power RF chip supports an OOK transmitter with the center frequency tunable from 3GHz to 4GHz, mounted on a separate low loss dielectric board together with a 3V LDO, with output fed to a UWB chip antenna. The IC boards were interconnected and packaged in a polyether ether ketone (PEEK) enclosure which is compatible with both animal and human use (e.g. sterilizable). The entire system consumes 17mA from a 1.2Ahr 3.6V Li-SOCl2 1/2AA battery, which operates the device for more than 2 days. The overall system includes a custom RF receiver electronics which are designed to directly interface with any number of commercial (or custom) neural signal processors for multi-channel broadband neural recording. Bench-top measurements and in vivo testing of the device in rhesus macaques are presented to demonstrate the performance of the wireless neural interface.
Starting Page	3109
Ending Page	3114
File Size	1827585
Page Count	6
File Format	PDF
ISBN	9781457702167
ISSN	1557170X
DOI	10.1109/EMBC.2013.6610199
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2013-07-03
Publisher Place	Japan
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Wireless communication Application specific integrated circuits Preamplifiers Transmitters Receivers Arrays Animals
Content Type	Text
Resource Type	Article
Subject	Signal Processing Biomedical Engineering Health Informatics Computer Vision and Pattern Recognition

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