NDLI: Towards sparse coding of natural movements for neuroprosthetics and brain-machine interfaces

Content Provider	IEEE Xplore Digital Library
Author	Thomik, A.A.C. Fenske, S. Aldo Faisal, A.
Copyright Year	2015
Description	Author affiliation: Dept. of Comput., Imperial Coll. London, London, UK (Thomik, A.A.C.; Fenske, S.; Aldo Faisal, A.)
Abstract	The correlation structure of natural hand & finger movements suggests that their motion is controlled in a lower-dimensional space than would be possible given their mechanical nature. Yet, it is unclear whether this low dimensional embedding is relevant to how the brain represents motor actions and how we can decode it for Brain-Machine Interface applications. We collected large data set of natural hand movement kinematics and analysed it using a novel sparse coding and dictionary learning approach - Sparse Movement Decomposition (SMD), which captures the embedding of the data in terms of spatial and temporal structure. We show that our sparse codes over natural movement statistics give a more parsimonious representation than the simple correlation structure. This suggest that, like V1 neuron receptive fields can be predicted from sparse code over natural image statistics, motor control may be encoded in such a manner. We further show how our sparse coding can help understand the temporal structure of behaviour, and thus our technique may be used for behavioural fingerprinting in diagnostics and for more naturalistic neuroprosthetic control.
Starting Page	938
Ending Page	941
File Size	1163973
Page Count	4
File Format	PDF
ISBN	9781467363891
DOI	10.1109/NER.2015.7146780
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2015-04-22
Publisher Place	France
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Body sensor networks Dictionaries Neurons Matching pursuit algorithms Muscles Encoding Principal component analysis
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
6	Contents and Copyright Issues	Queries related to content curation and copyright issues	content@ndl.gov.in
7	National Digital Library of India Club (NDLI Club)	Queries related to NDLI Club formation, support, user awareness program, seminar/symposium, collaboration, social media, promotion, and outreach	clubsupport@ndl.gov.in
8	Digital Preservation Centre (DPC)	Assistance with digitizing and archiving copyright-free printed books	dpc@ndl.gov.in
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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