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Nearly all somatosensory input to the cerebrum passes by way of synapses in which region of the brain?
A. Thalamus
B. Hypothalamus
C. Epithalamus
D. Cerebellum
E. Reticular formation


Sagot :

Synapses in the thalamus transmit almost all of the somatosensory data to the cerebral cortex.

In the nucleus gracilis or the nucleus cuneatus, first order neurons from proprioceptors or nociceptors that detect stimuli will synapses with second order neurons.

The thalamus is your body's central nervous system. With the exception of smell, the thalamus is in charge of processing all bodily sensory information before it is sent to the cerebral cortex of the brain for interpretation. Additionally, the thalamus plays a role in memory, consciousness, wakefulness, and sleep.

The thalamus (from the Greek o, "chamber"), a substantial mass of gray matter, is located in the dorsal region of the diencephalon (a division of the forebrain). The thalamus releases nerve fibers in all directions that travel to the cerebral cortex, allowing for hub-like information exchanges. It carries sensory and motor information to the cerebral cortex and controls awareness, sleep, and alertness, among other functions.

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