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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Anthony J. Campilo
  • Vol. 32, Iss. 17 — Sep. 1, 2007
  • pp: 2614–2616

Functional optical coherence tomography reveals localized layer-specific activations in cat primary visual cortex in vivo

Uma Maheswari Rajagopalan and Manabu Tanifuji  »View Author Affiliations


Optics Letters, Vol. 32, Issue 17, pp. 2614-2616 (2007)
http://dx.doi.org/10.1364/OL.32.002614


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Abstract

Surface neural activity has been widely visualized using optical intrinsic signal imaging (OISI) from various cortical sensory areas. OISI of the cortical surface with a CCD camera gives integrated information across a depth of a few hundred micrometers. We visualize depth-resolved activation patterns of cat primary visual cortex by functional optical coherence tomography (fOCT). A comparison of the depth-integrated results of fOCT maps with the optical intrinsic signal profiles shows fairly good agreement. Our results reveal layer-specific activation patterns and indicate that the activation was not homogeneous.

© 2007 Optical Society of America

OCIS Codes
(000.1430) General : Biology and medicine
(030.5290) Coherence and statistical optics : Photon statistics
(110.1650) Imaging systems : Coherence imaging
(170.4500) Medical optics and biotechnology : Optical coherence tomography
(330.4270) Vision, color, and visual optics : Vision system neurophysiology
(330.4300) Vision, color, and visual optics : Vision system - noninvasive assessment

ToC Category:
Medical Optics and Biotechnology

History
Original Manuscript: January 19, 2007
Revised Manuscript: June 13, 2007
Manuscript Accepted: June 21, 2007
Published: August 28, 2007

Virtual Issues
Vol. 2, Iss. 10 Virtual Journal for Biomedical Optics

Citation
Uma Maheswari Rajagopalan and Manabu Tanifuji, "Functional optical coherence tomography reveals localized layer-specific activations in cat primary visual cortex in vivo," Opt. Lett. 32, 2614-2616 (2007)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-32-17-2614

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