What type of receptors in the retina are sensitive to color?

Prepare for the Digital Technician ROC II Test with flashcards, multiple choice questions, and comprehensive explanations. Equip yourself with the knowledge needed to excel in your examination.

Cones are the type of receptors in the retina that are sensitive to color. There are three types of cones, each sensitive to different wavelengths of light corresponding to the primary colors: red, green, and blue. This trichromatic system allows humans to perceive a full spectrum of colors through the combination of stimulation of these different cones.

In contrast, rods, which are another type of retinal receptor, are primarily responsible for vision in low light conditions and do not detect color, instead contributing to black-and-white vision. Bipolar cells act as intermediaries in processing visual information from rods and cones before sending signals to ganglion cells. Ganglion cells are the output cells of the retina that transmit visual information to the brain. However, they do not play a direct role in color perception.

Thus, cones are the specific receptors that enable us to experience color vision.

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