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Thalamus

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10y ago
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Q: Sensory information is processed and relayed to the cerebrum by the?
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What part of the brain serves as the relay station for receiving information form the sense organs and sending it to the cerebral cortex for processing?

The Thalamus receives the information. It is then relayed to the post-central gyrus of the cerebrum on which you can map the human body. This is called the sensory humunculus (or little human).


Is the hypothalamus is the area where afferent impulses from all senses and all parts of the body are sorted out and relayed to the appropriate area of the sensory cortex?

False


What do you think th ear controls?

Hearing and balance. The ear doesnt control anything, it is a sensory organ only. It does though sense sound and gravitational pull, the senses of hearing and balance. The information is receives is relayed to the brain which controls movements to adjust balance.


What special senses is relayed directly to the cerebral cortex without going to the thalamus?

Its smell Information goes to olfactory cortex of the frontal lobe without going through the thalamus. Its the only major sense that does not go through the thalamus


What is the auditory pathway for sound transduction to the brain?

When hair cells within the cochlea are stimulated by sound wave vibrations, they stimulate nearby sensory neurons of the spiral ganglion. The signals then get sent to the cochlear nerve and then to the vestibulocholear nerve (CN VII). These signals then get sent to the cochlear nucleus of the medulla oblongata which then get relayed to the inferior colliculus of the midbrain. These signals then get sent to the thalmus where they are relayed to the auditory cortex where specific areas process the pitch and frequency of the sound. The reflexatory response to sound is directed by the inferior colliculus (ie turn head toward sound) Actually, there are two errors in your answer. First: it is vestibulocochlear Second: it is cranial nerve VIII