Which cells transmit visual information from the retina to the brain?

Which cells transmit visual information from the retina to the brain?

• A. Retinal ganglion cells.
• B. Photoreceptors.
• C. Amacrine cells.
• D. Horizontal cells.

Answer: (A)

Visual information exits the retina through the retinal ganglion cells. These cells collect processed signals from photoreceptors via bipolar cells (with modulation by horizontal and amacrine interneurons) and send them out of the eye along their axons, which bundle to form the optic nerve. From there, the signals travel to brain regions like the thalamus and then to the visual cortex for perception. The other retinal cells—photoreceptors detect light, while horizontal and amacrine cells modulate signals within the retina—do not transmit information to the brain themselves.

Visual information exits the retina through the retinal ganglion cells. These cells collect processed signals from photoreceptors via bipolar cells (with modulation by horizontal and amacrine interneurons) and send them out of the eye along their axons, which bundle to form the optic nerve. From there, the signals travel to brain regions like the thalamus and then to the visual cortex for perception. The other retinal cells—photoreceptors detect light, while horizontal and amacrine cells modulate signals within the retina—do not transmit information to the brain themselves.