Functional Imaging Of The Retinal Layers By Laser Scattering: An Approach For The Study Of Leão's Spreading Depression In Intact Tissue

dc.creatorDuarte M.A.
dc.creatorAlmeida A.C.G.
dc.creatorInfantosi A.F.C.
dc.creatorBassani J.W.M.
dc.date2003
dc.date2015-06-30T17:28:25Z
dc.date2015-11-26T15:00:11Z
dc.date2015-06-30T17:28:25Z
dc.date2015-11-26T15:00:11Z
dc.date.accessioned2018-03-28T22:11:34Z
dc.date.available2018-03-28T22:11:34Z
dc.identifier
dc.identifierJournal Of Neuroscience Methods. , v. 123, n. 2, p. 139 - 151, 2003.
dc.identifier1650270
dc.identifier10.1016/S0165-0270(02)00346-1
dc.identifierhttp://www.scopus.com/inward/record.url?eid=2-s2.0-0037445369&partnerID=40&md5=d208750edef0390fd79aba1ed5a362ad
dc.identifierhttp://www.repositorio.unicamp.br/handle/REPOSIP/102155
dc.identifierhttp://repositorio.unicamp.br/jspui/handle/REPOSIP/102155
dc.identifier2-s2.0-0037445369
dc.identifier.urihttp://repositorioslatinoamericanos.uchile.cl/handle/2250/1256146
dc.descriptionThis paper presents a novel optical approach for the study of spreading depression in isolated retina. The method makes it possible to register the laser light scattered from each layer of the tissue, yielding a functional image of the retina during spreading depression. The tissue is kept intact, since histological cuts are not necessary. Measurements of other variables, such as extracellular potential, are also allowed by the described method. This is done simultaneously with the functional image in a high spatial resolution, with the positioning of the microelectrode tip being easily monitored. The information about temporal and spatial evolution of light was compacted in a single image. The image-processing technique used here enables the visualization of the light scattered by the inner plexiform layer (IPL), which is the most prominent scatter layer during spreading depression. The wavefront velocity and its increase as two wavefronts approach each other can then be determined, and it is also possible to observe the thickness variation of the tissue during the wave travel. The relationship between two peaks of light-scattering sequence during the phenomenon was studied at two wavelengths (632.8 and 543.5 nm). This relationship is shown to be dependent on the wavelength. © 2002 Elsevier Science B.V. All rights reserved.
dc.description123
dc.description2
dc.description139
dc.description151
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dc.languageen
dc.publisher
dc.relationJournal of Neuroscience Methods
dc.rightsfechado
dc.sourceScopus
dc.titleFunctional Imaging Of The Retinal Layers By Laser Scattering: An Approach For The Study Of Leão's Spreading Depression In Intact Tissue
dc.typeArtículos de revistas


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