Asymmetries in the s-cone increment and decrement pathways as revealed by pedestal masking

The short wavelength sensitive or S-cones are known to be both physiologically and psychophysically different than both the long and middle wavelength sensitive or Land M-cones. The L- and M-cones are genetically/evolutionarily similar to one another and both quite unique from the S-cones. The S-con...

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Online Access:http://hdl.handle.net/2047/d20000143
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Summary:The short wavelength sensitive or S-cones are known to be both physiologically and psychophysically different than both the long and middle wavelength sensitive or Land M-cones. The L- and M-cones are genetically/evolutionarily similar to one another and both quite unique from the S-cones. The S-cones are also not found in the central retina where the L- and M-cones are most densely packed. This thesis uses a classic pedestal experiment to explore yet another unique feature of the S-cone visual pathways.