Inner Ear The inner ear is the essential part of the organ of hearing‚ receiving the ultimate distribution of the auditory nerve. It also called the labyrinth. Inner ear consists of two parts: the osseous labyrinth‚ a series of cavities within the petrous part of the temporal bone‚ and the membranous labyrinth‚ a series of communicating membranous sacs and ducts‚ contained within the bony cavities. The osseous (or bony) labyrinth: Bony labyrinth is the rigid outer wall of the inner ear. It
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In Van Gogh’s Self Portrait with Bandaged Ear (1889)‚ he depicts himself in three-quarter profile with closed coat‚ fur cap‚ and bandaged ear. This painting is a good example of how his illnesses dictated what he painted. After cutting off his ear‚ he painted this picture‚ depicting an open window for fresh air and bandage probably soaked in camphor‚ to communicate that he is able to care for
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myogenic potentials develop from the saccule (Fowler‚ et al.‚ 2014). The saccule cells are located in the inner ear. The inner ear distinguishes upward and downward movements within the body. The sensory nerves transmit information into the brain that allows the body to stay balanced and keeps spatial ability intact. The cVEMPs were tested and measured using hearing devices for each ear of the participant (Fowler‚ et al.‚ 2014). Participants’ feedback from the test is determined from both sides
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standing. It can be caused by a problem with the balance mechanisms of the inner ear‚ a problem with the nerves that connect the brain to the middle ear‚ or a problem with brain cause a head injury. The most frequent cause of vertigo is there is a problem with the balance mechanisms of the inner ear. When the virus or bacterical infected the inflammation of the labyrinth (a system of canals and cavities within the inner ear which gives us our sense of balance)‚ such as common cold or flu virus that spread
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Parts and Functions of the Eyes Cornea : The cornea is the outer covering of the eye. This dome-shaped layer protects your eye from elements that could cause damage to the inner parts of the eye. There are several layers of the cornea‚ creating a tough layer that provides additional protection. These layers regenerate very quickly‚ helping the eye to eliminate damage more easily. The cornea also allows the eye to properly focus on light more effectively. Those who are having trouble focusing their
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HEARING IMPAIRMENT What is hearing Impairment Hearing impairment refers to defer or damage may occur in any part of the ear‚ outer ear or middle ear or inner ear. Hearing impairment leads to hearing disability or loss of hearing. What is the causes of hearing Impairment Hearing impairment may be caused both by heredity and environmental factors. 1. Hearing impairment is inherited from parents. Particularly the congenitally deaf children who are born with impairment hearing
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in the ear canal. • • Infection of the ear canal or middle ear. • • Infection of the middle ear. Fluid in the middle ear. • • Trauma to the ear or surrounding area. • • Fluid in the middle ear. An object stuck in the ear. • Prolonged exposure to loud sounds‚ such as music. • A hole in the eardrum (perforated eardrum). • Exposure to loud sounds or music.Less
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Age related macular disease: Age-related macular disease is a common eye condition among people 50 years and older. It is a leading cause of vision loss in adults. It gradually destroys the macula‚ the part of the eye that provides sharp‚ central vision needed for seeing objects clearly. Sometimes age-related macular disease advances so slowly that vision loss does not occur for a long time. In other cases‚ the disorder progresses faster and may lead to a loss of vision in one or both eyes quickly
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intricate structure with over 100 million receptors that emit neural impulses when stimulated by light. More specifically‚ they respond to the “wavelengths” of light. EARS & THE AUDITORY SENSATION The apparatus for the ears is mechanical up to the point where sounds are transduced into neural impulses. The sound waves that stimulate our ears are produced when‚ for example‚ something in the world around you clicks‚ rings‚ vibrates‚ or scrapes against or hits something else. Each produces cyclical displacements
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COMPUTERIZED DYNAMIC POSTUROGRAPHY (CDP) Our bodies use our inner ears in conjunction with the senses of vision and somatosenses (sense of touch or vibration) in order to help us maintain our balance and orientation. We will evaluate each of these three systems as they work together and in isolation in order to identify any weaknesses. What to expect: A harness will ensure your safety as you maintain your balance on a platform. This test typically lasts 15 minutes. Please be sure to notify the
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