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Autordc.contributor.authorLetelier, Juan Carlos 
Autordc.contributor.authorVarela G., Francisco 
Fecha ingresodc.date.accessioned2019-01-29T14:47:08Z
Fecha disponibledc.date.available2019-01-29T14:47:08Z
Fecha de publicacióndc.date.issued1984
Cita de ítemdc.identifier.citationVision Research, Volumen 24, Issue 9, 2018, Pages 1091-1095
Identificadordc.identifier.issn00426989
Identificadordc.identifier.other10.1016/0042-6989(84)90087-7
Identificadordc.identifier.urihttps://repositorio.uchile.cl/handle/2250/160554
Resumendc.description.abstractWe examine the arguments advanced recently [by Sakitt (Vision Res. 22, 417-421, 1982), and Tootell et al. (Science 218, 902-904, 1982)] leading to the conclusion that the retino-cortical magnification factor cannot be isotropic. The relevance of the issue is discussed through the use of complex function theory as the appropriate tool to express the geometry of interconnections between neural lamina. A general expression is obtained to compute the length of a curve under a conformal transformation. When this result is applied to circles in the visual field, it is shown that Sakitt's findings imply radial asymmetry of the retino-cortical map, and not local anisotropy, as claimed. In fact, by taking Schwartz's (Vision Res. 20, 645-670, 1980) proposal that the complex log map including a constant eccentricity term be used to represent the retino-cortical mapping, we show that both local isotropy and radial asymmetry are simultaneously valid. Furthermore, the values of cortical length predi
Idiomadc.language.isoen
Tipo de licenciadc.rightsAttribution-NonCommercial-NoDerivs 3.0 Chile
Link a Licenciadc.rights.urihttp://creativecommons.org/licenses/by-nc-nd/3.0/cl/
Fuentedc.sourceVision Research
Palabras clavesdc.subjectOphthalmology
Palabras clavesdc.subjectSensory Systems
Títulodc.titleWhy the cortical magnification factor in rhesus is isotropic
Tipo de documentodc.typeArtículo de revista
Catalogadoruchile.catalogadorSCOPUS
Indizaciónuchile.indexArtículo de publicación SCOPUS
uchile.cosechauchile.cosechaSI


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Attribution-NonCommercial-NoDerivs 3.0 Chile
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