Photoreceptor cells (rods and cones)are different from other sensory receptors in that they are the only type that is relatively depolarized at rest.

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Photoreceptor cells are relatively depolarized at rest, meaning they have a higher resting membrane potential compared to other sensory receptors. This allows them to respond quickly to changes in light intensity.

Photoreceptor Cells (Rods and Cones)are Different from Other Sensory Receptors