The optic nerve carries

The optic nerve carries

• A. Visual information
• B. Auditory information
• C. Olfactory information
• D. Motor commands

Answer: (A)

Visual information is carried by the optic nerve because it is the main sensory pathway for sight. It consists of retinal ganglion cell axons that transmit signals produced by photoreceptors in the retina when exposed to light. Those signals travel through the optic nerve to the lateral geniculate nucleus of the thalamus and onward to the primary visual cortex, enabling vision. The optic nerve is a purely sensory pathway; it does not carry auditory information (that’s the vestibulocochlear nerve), olfactory information (olfactory nerve), or motor commands to eye muscles (carried by the oculomotor, trochlear, and abducens nerves).

Visual information is carried by the optic nerve because it is the main sensory pathway for sight. It consists of retinal ganglion cell axons that transmit signals produced by photoreceptors in the retina when exposed to light. Those signals travel through the optic nerve to the lateral geniculate nucleus of the thalamus and onward to the primary visual cortex, enabling vision. The optic nerve is a purely sensory pathway; it does not carry auditory information (that’s the vestibulocochlear nerve), olfactory information (olfactory nerve), or motor commands to eye muscles (carried by the oculomotor, trochlear, and abducens nerves).