NDLI: An implantable neuroprocessor for multichannel compressive neural recording and on-the-fly spike sorting with wireless telemetry

Content Provider	IEEE Xplore Digital Library
Author	Fei Zhang Aghagolzadeh, M. Oweiss, K.
Copyright Year	2010
Description	Author affiliation: Department of Electrical and Computer Engineering, Michigan State University, East Lansing, MI 48824, USA (Fei Zhang; Aghagolzadeh, M.; Oweiss, K.)
Abstract	In this work, a fully implantable and scalable neuroprocessor has been designed to process neural recordings in awake behaving animals. The neuroprocessor operates at 6.4 MHz to process neural signals from 32 microelectrode channels sampled at 25 KHz and transmits only the critical neural information over a 1 Mbps wireless channel in order to meet the stringent hardware and communication constraints imposed on an implantable device. The neuroprocessor can be programmed to compress neural data using a sparse representation of neural signals via lifting discrete wavelet transform (DWT) and/or perform on-the-fly spike sorting on the compressed data stream if followed by a “smart” thresholding mechanism. This unique feature reduces the overall system latency and permit instantaneous decoding of neural signals to take place in real-time. The neuroprocessor therefore uses the limited telemetry bandwidth more efficiently while preserving important information in the neural data, and hence improves the practicality and viability of implantable microelectrode arrays to accelerate their deployment in clinical applications of brain-machine interfaces.
Starting Page	1
Ending Page	4
File Size	400223
Page Count	4
File Format	PDF
ISBN	9781424472697
e-ISBN	9781424472703
e-ISBN	9781424472680
DOI	10.1109/BIOCAS.2010.5709556
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2010-11-03
Publisher Place	Cyprus
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Wireless communication Neurons Feature extraction Discrete wavelet transforms Telemetry Indexes Sorting
Content Type	Text
Resource Type	Article

Sl.	Authority	Responsibilities	Communication Details
1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
5	Website/Portal (Helpdesk)	Queries regarding NDLI and its services	support@ndl.gov.in
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