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Multiple Choice
Which of the following statements best describes the path of optic nerve impulses in the brain?
A
Optic nerve impulses are processed in the temporal lobe before reaching the occipital lobe.
B
Optic nerve impulses travel directly to the occipital lobe without any synapses.
C
Optic nerve impulses bypass the thalamus and synapse in the parietal lobe.
D
Optic nerve impulses first synapse in the thalamus before reaching the visual cortex in the occipital lobe.
Verified step by step guidance
1
Begin by understanding the anatomy of the optic nerve and its role in transmitting visual information from the retina to the brain.
Recognize that the optic nerve carries impulses to the brain, where they are processed to create visual perception.
Identify the pathway of optic nerve impulses: they first travel to the thalamus, specifically the lateral geniculate nucleus, which acts as a relay station for sensory information.
Understand that after synapsing in the thalamus, the optic nerve impulses are transmitted to the visual cortex located in the occipital lobe of the brain.
Conclude that the correct pathway involves synapsing in the thalamus before reaching the occipital lobe, where visual processing occurs.