NDLI: Mimicking the worm — An adaptive spiking neural circuit for contour tracking inspired by C. Elegans thermotaxis

Content Provider	IEEE Xplore Digital Library
Author	Bora, A. Rao, A. Rajendran, B.
Copyright Year	2014
Description	Author affiliation: Dept. of Electr. Eng., Indian Inst. of Technol., Mumbai, Mumbai, India (Bora, A.; Rao, A.; Rajendran, B.)
Abstract	We demonstrate a spiking neural circuit with timing-dependent adaptive synapses to track contours in a two-dimensional plane. Our model is inspired by the architecture of the 7-neuron network believed to control the thermotaxis behavior in the nematode Caenorhabditis Elegans. However, unlike the C. Elegans network, our sensory neuron only uses the local variable (and not its derivative) to implement contour tracking, thereby minimizing the complexity of implementation. We employ spike timing based adaptation and plasticity rules to design micro-circuits for gradient detection and tracking. Simulations show that our bio-mimetic neural circuit can identify isotherms with a ~ 60% higher probability than the theoretically optimal memoryless Levy foraging model. Further, once the set-point is identified, our model's tracking accuracy is in the range of ±0.05 °C, similar to that observed in nature. The neurons in our circuit spike at sparse biological rates (~ 100 Hz), enabling energy-efficient implementations.
Starting Page	2079
Ending Page	2086
File Size	959405
Page Count	8
File Format	PDF
ISSN	21614407
e-ISBN	9781479914845
DOI	10.1109/IJCNN.2014.6889892
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2014-07-06
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Neurons Temperature sensors Grippers Detectors Biological neural networks Integrated circuit modeling Adaptation models
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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9	IDR Setup or Support	Queries related to establishment and support of Institutional Digital Repository (IDR) and IDR workshops	idr@ndl.gov.in

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