What is the pathway of sound to the brain?

What is the pathway of sound to the brain?

Auditory messages are conveyed to the brain via two types of pathway: the primary auditory pathway which exclusively carries messages from the cochlea, and the non-primary pathway (also called the reticular sensory pathway) which carries all types of sensory messages.

What is the pathway of hearing?

The auditory pathway conveys the special sense of hearing. Information travels from the receptors in the organ of Corti of the inner ear (cochlear hair cells) to the central nervous system, carried by the vestibulocochlear nerve (CN VIII).

What is the correct pathway of sound through the ear?

Sound waves enter the outer ear and travel through a narrow passageway called the ear canal, which leads to the eardrum. The eardrum vibrates from the incoming sound waves and sends these vibrations to three tiny bones in the middle ear.

How hearing works step by step?

Here are 6 basic steps to how we hear:

1. Sound transfers into the ear canal and causes the eardrum to move.
2. The eardrum will vibrate with vibrates with the different sounds.
3. These sound vibrations make their way through the ossicles to the cochlea.
4. Sound vibrations make the fluid in the cochlea travel like ocean waves.

What is the pathway of equilibrium?

The Equilibrium Pathway: Vestibular Nuclei in Medulla Oblongata and pons. -Most of these axons synapse with sensory neurons in vestibular nuclei, the major integrating centers for equilibrium, in the medulla oblongata and pons.

What is the physiology of equilibrium?

The vestibular system is the sensory apparatus of the inner ear that helps the body maintain its postural equilibrium. The information furnished by the vestibular system is also essential for coordinating the position of the head and the movement of the eyes.

What is the difference between hearing and equilibrium?

The ear houses sensory receptors for hearing and equilibrium. Hearing is the detection and interpretation of sound waves, and equilibrium is the sense of balance, allowing the brain to know the orientation of the head.

What is the name of the hearing sense organ?

Inner Ear

What are otoliths?

Otoliths, commonly known as “earstones,” are hard, calcium carbonate structures located directly behind the brain of bony fishes. Sagitta: The largest of the 3 pairs of otoliths, sagitta is involved in the detection of sound and the process of hearing, or converting sound waves into electrical signals.

What are parts of ear?

The ear is made up of three parts: the outer, middle, and inner ear. All three parts of the ear are important for detecting sound by working together to move sound from the outer part through the middle and into the inner part of the ear. Ears also help to maintain balance.

What is the flap on your ear called?

The medical term for the outer ear is the auricle or pinna. The outer ear is made up of cartilage and skin.

What is the area behind the ear called?

The mastoid is located just behind the ear. Mastoiditis is an infection of the bony air cells in the mastoid bone, located just behind the ear.

What does mastoiditis look like?

The condition is rare but can become life-threatening without treatment. Symptoms of mastoiditis include swelling behind the ear, pus coming out of the ear, throbbing pain, and difficulty hearing. Ear infections that do not receive treatment, as well as antibiotic-resistant ear infections, sometimes spread.

Is there a bone behind your ear?

What is mastoiditis? The mastoid bone is the back part of the temporal bone of the skull located just behind the inner ear. Mastoiditis is infection of the mastoid bone. The mastoid bone is made up of a honeycomb-like structure, which is full of mastoid air cells.

What does it mean if it hurts behind your ear?

Occipital Neuralgia is a condition in which the occipital nerves, the nerves that run through the scalp, are injured or inflamed. This causes headaches that feel like severe piercing, throbbing or shock-like pain in the upper neck, back of the head or behind the ears.

Can occipital neuralgia cause vision problems?

This pain is typically one-sided, although it can be on both sides if both occipital nerves have been affected. Additionally, the pain may radiate forward toward the eye, as it follows the path of the occipital nerve(s). Individuals may notice blurred vision as the pain radiates near or behind the eye.

Can stress trigger occipital neuralgia?

Causes. Occipital neuralgia is caused by damage to the occipital nerves, which can arise from trauma (usually concussive or cervical), physical stress on the nerve, repetitive neck contraction, flexion or extension, and/or as a result of medical complications (such as osteochondroma, a benign bone tumour).

Is occipital neuralgia a permanent condition?

Head & Neck Pain Treatment Patients with occipital neuralgia can go undiagnosed and suffer for many years because symptoms can mimic more common headaches such as migraines. However, this condition requires a very specific treatment plan, making an accurate diagnosis essential for pain relief.