Question

relay station for sensory information and regulator of states of wakefulness and sleep
midbrains
cortexes
thalamus
ganglions
ganglia

Explanation:

The thalamus is a relay station for sensory information and also plays a role in regulating wakefulness and sleep. Mid - brains are involved in functions like vision and hearing. Cortexes are related to higher - order functions such as thought and memory. Ganglions and ganglia are clusters of nerve cell bodies outside the central nervous system and not the main relay for sensory info or sleep - wake regulators.

Answer:

C. thalamus