NDLI: Holographic photo-stimulation for dynamic control of neuronal population activity

Content Provider	IEEE Xplore Digital Library
Author	Matar, S. Golan, L. Farah, N. Reutsky, I. Shoham, S.
Copyright Year	2009
Description	Author affiliation: Department of Biomedical Engineering, Technion - Israel Institute of Technology, Haifa, Israel (Matar, S.; Golan, L.; Farah, N.; Reutsky, I.; Shoham, S.)
Abstract	Spatiotemporal patterns of activity carried across large populations of neurons are the fundamental representation of information within the nervous system. Patterned optical photo-stimulation of neural populations provides a general strategy for controlling such spatial-temporal patterns, but previous realizations of this technology did not allow high-rate, parallel, light-efficient control of large neural populations. To address this challenge, we have been developing a new generation of holographic pattern photo-stimulation systems that use phase-only spatial light modulators (SLM) to create computer-controlled light patterns in two and three dimensions. SLMs use phase modulation and light diffraction to provide a light-efficient method for flexibly creating desired light patterns which can be switched in our systems in millisecond timescales. Holographic photo-stimulation provides a powerful strategy for dynamic patterned photo-stimulation of neural populations and could be used in research and neuroprosthetic interfaces.
Starting Page	84
Ending Page	87
File Size	969784
Page Count	4
File Format	PDF
ISBN	9781424420728
DOI	10.1109/NER.2009.5109240
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2009-04-29
Publisher Place	Turkey
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Phase modulation two-photon high-rate photo-stimulation Neurons Holography Nervous system Holographic optical components Lighting control ChRII Optical control optical control Diffraction SLM holography Spatiotemporal phenomena Optical modulation
Content Type	Text
Resource Type	Article

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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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