Valeria has been blind since birth. She cannot see objects or light, but she is able to maintain a 24-hour circadian rhythm like other people. What part of Valeria's circadian system allows her to maintain her circadian rhythm?

Question

Quizplus · Accepted Answer

Melanopsin is found in the retinal ganglion cells and is involved in the regulation of circadian rhythms by detecting ambient light. This allows individuals, including those who are blind, to maintain a 24-hour cycle despite the lack of visual input through rods and cones.

Valeria Has Been Blind Since Birth