Final answer:
The reticular formation of the brainstem is a network of neurons that has connections with various areas of the cerebrum.
Step-by-step explanation:
The reticular formation of the brainstem is a network of neurons that extends from the medulla to the midbrain. It is responsible for regulating various functions such as sleep, arousal, and attention. The reticular formation has extensive connections with different areas of the cerebrum, including the thalamus, limbic system, and cerebral cortex.
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