User:Graeme E. Smith/Is the Fusiform Facial Area Agranular?

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Is the Fusiform Facial Area Agranular?


Graeme E. Smith, GreySmith Institute of Advanced Studies

http://en.wikiversity.org/wiki/Portal:GreySmith_Institute

http://en.wikiversity.org/wiki/User:GreySmith_Institute

grysmith@telus.net


The Cortex, has been classified in a number of types designated by micro-anatomy. Isocortical Tissues have a full 6 layers, Agranular Tissues are similar but with an attenuated or missing 4th layer, and Allocortical areas have three or less layers. It was noted by Eccles in 1983 that the Laminae I or layer 1 of the tissue was composed mainly of a Horizontal (Tangential Fiber) System that linked neurons to cortico-cortical fibers, and Collossal Fibers. It has been theorized that Agranular areas define Fodor-like Modules that are directly or indirectly selected by the attention system. In this article I discuss the hypothesis that in fact the Fusiform Facial Area, might be one of these Agranular areas and thus that it's recruitment is done by direct selection via the Attention System.



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