ANATOMY

Detailed explanation-1: -The vestibulocochlear nerve or auditory vestibular nerve, also known as the eighth cranial nerve, cranial nerve VIII, or simply CN VIII, is a cranial nerve that transmits sound and equilibrium (balance) information from the inner ear to the brain.

Detailed explanation-2: -The vestibulocochlear nerve is the eighth cranial nerve. Its cochlear branch is responsible for the special sensation of hearing, and its vestibular portions are involved in balance, spatial sensation, and posture.

Detailed explanation-3: -If the eighth cranial nerve is injured, it can’t convey information from the inner ear efficiently, resulting in hearing loss on one side. Hearing loss may result from traumatic brain injury, which is often caused by a blunt force trauma to the head or another external force.

Detailed explanation-4: -The vestibulocochlear nerve consists of the vestibular and cochlear nerves, also known as cranial nerve eight (CN VIII). Each nerve has distinct nuclei within the brainstem. The vestibular nerve is primarily responsible for maintaining body balance and eye movements, while the cochlear nerve is responsible for hearing.

Detailed explanation-5: -Cranial nerve VIII brings sound and information about one’s position and movement in space into the brain. The auditory and vestibular systems subserve several functions basic to clinical medicine and to psychiatry.