NDLI: Acquisition of action potentials with ultra-low sampling rates

Content Provider	IEEE Xplore Digital Library
Author	Srinivasan, L. Varshney, L.R. Kusuma, J.
Copyright Year	2010
Description	Author affiliation: Somerville, MA, USA (Kusuma, J.) \|\| Cambridge, MA, USA (Varshney, L.R.) \|\| San Diego, CA, USA (Srinivasan, L.)
Abstract	We introduce finite rate of innovation (FRI) based spike acquisition, a new approach to the sampling of action potentials. Drawing from emerging theory on sampling FRI signals, our process aims to acquire the precise shape and timing of spikes from electrodes with single or multiunit spiking activity using sampling rates of 1000 Hz or less. The key insight is that action potentials are essentially stereotyped pulses that are generated by neurons at a rate limited by an absolute refractory period. We use this insight to push sampling below the Nyquist rate. Our process is a parametric method distinct from compressed sensing (CS). In its full implementation, this process could improve spike-based devices for neuroscience and medicine by reducing energy consumption, computational complexity, and hardware demands.
Starting Page	4213
Ending Page	4216
File Size	265479
Page Count	4
File Format	PDF
ISBN	9781424441235
ISSN	1557170X
DOI	10.1109/IEMBS.2010.5627399
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2010-08-31
Publisher Place	Argentina
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Technological innovation Neurons Brain modeling Shape Trajectory Signal to noise ratio
Content Type	Text
Resource Type	Article
Subject	Signal Processing Biomedical Engineering Health Informatics Computer Vision and Pattern Recognition

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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
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