The nonuniformity of their response is known as the Stiles-Crawford effect, while Young and Helmholtz developed a theory accounting for their existence.
The nonuniformity of their response is known as the Stiles-Crawford effect, while Young and Helmholtz developed a theory accounting for their existence. George Wald provided proof of Ragnar Granit's theory of the different types of these entities, which generally make connections to horizontal cells. They may have principal and accessory members when occurring as two contiguous cells in birds, and there are S, M, and L types of them. The subject of the opponent-process theory, each type contains different photopsins, but all of them are attached to the outer membrane and are concentrated in the fovea. FTP, name these photoreceptor cells in the retina which allow for color perception and are often paired with rods.
The nonuniformity of their response is known as the Stiles-Crawford effect, while Young and Helmholtz developed a theory accounting for their existence.
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