PSYC 2P35 Lecture Notes - Lecture 10: Fusiform Gyrus, Eustachian Tube, Temporal Lobe
1 Oct 2015
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Poorly understood, small; 5%; project to striate cortex. Simple cells: receptive field with fixed excitatory and inhibitory zones. Simple cell at the lgn and striate cortex will respond only when the middle (straight line) is being shown. Respond to changes ex. lines and edges; change in color etc. Where the axons would synapse in the lgn side by side if they were side by side in the retina. This detection found in the lgn, took axons from those cells and from the lgn, they go into optic nerves leaving the lateral geniculate and they synapse at the striate cortex (primary visual cortex) When we look and see how those map out, we have the same thing-cells side by side. Complex cells: located in v1 and v2 that responds to a pattern of light in a particular orientation anywhere within its large receptive field. Line in a particular orientation (with 10 degree variation), but various locations.
