visual cortex3-1.

visual cortex3-1. - The Hypercolumn is the Basic Unit that...

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The Hypercolumn is the Basic Unit that Forms the Functional Organization of the Visual Cortex
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Red 560 nm Blue 420 nm short Green 531 nm middle long Wavelength sensitivities of three types of cones in retina Short wavelength cone middle wavelength cone long wavelength cone
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Unitary hue Unitary hue Unitary hue Unitary hue Binary hues
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There are no red - greens or yellow - blues in our color experience
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600 Wavelength (nm) 400 475 500 580 700 B G 640 660 R r- o Y
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Greenish-yellow Yellowish-red red - orange Wavelength (nm) 400 475 500 580 700 B G 640 540 670 How can a narrow-band light produce the same h u e as the combination of two different wavelengths?
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Greenish-yellow Yellowish-red Red cancels green leaving yellow
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Greenish-yellow Yellowish-red Bluish-green Yellowish-green Greenish-blue redish-blue
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Receptive field on center- off surround P cell No response Fires strongly Fires when light goes off No response
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Three general ways: 1) The shape or form of a stimulus is coded by orientation specific neurons. 2)
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visual cortex3-1. - The Hypercolumn is the Basic Unit that...

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