neuro 2-24-10 - 2-24-10Ganglion Cells1.compose the optic...

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Unformatted text preview: 2-24-10Ganglion Cells1.compose the optic nerve2.collect information within the retina3.exit the eye carrying a “map of images” from visual field4.all of this comprises the optic nerve5.Center surround receptive fields6.projection pattern produces retinotopic organization7.3 different kinds1.Parvocellular neuron (P-type)1.small, center-surrounded receptive fields2.produce sustained responses to stimuli3.insensitive to motion4.sensitive to wavelength5.compact dendritic fields1.midget cells6.80% of the optic nerve7.projects only to the thalamus1.specifically, lateral geniculate nucleaus (LGN)1.principle visual component of thalamus8.function1.color 2.form3.texture2.Magnocellular Neurons (M-type)1.large, center-surrounded receptive fields2.transient responses to stimuli3.sensitive to motion4.insensitive to wavelength5.large dendritic fields1.parasol cells6.10% of the optic nerve7.project to:1.thalamus1.LGN2.midbrain1.superior colliculus8.function:1.movement2.location 3.depth3.Koniocellular Neurons1.phylongenetically oldest2.large, diffuse receptive fields3.transient responses to stimuli...
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This note was uploaded on 04/20/2010 for the course BIOL 3064 taught by Professor Dr.wight during the Spring '10 term at Ouachita Baptist.

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neuro 2-24-10 - 2-24-10Ganglion Cells1.compose the optic...

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