Tag Archive | "ear"
The Vestibular System
Several systems govern the body’s sense of balance and orientation. The structure that is housed in the inner is known as the vestibular system and is one of these systems. The auditory nerve transmits both hearing and balance information to the brain from the vestibular system constantly to help keep the body in balance. The cochlea which [...]
Continue reading...Hearing and Sound
Saturday, July 10, 2010
Being able to hear different sounds depends on different parts of the entire hearing mechanism and the movement of these parts. The eardrum or tympanic membrane is the beginning. The movement of the eardrum triggers movements of other structures in the middle and inner ear and also in the cochlea. Then the movement of these structures sends nerve [...]
Continue reading...The Cochlea
Friday, July 9, 2010
The tiny organ in the inner ear whose structures are important components in hearing mechanism is known as the cochlea. The cochlea looks like a curved snail shell and comes from a Latin word that means “snail shell. The tiny hair cells that are located in the cochlea send the impulses from nerve to the auditory [...]
Continue reading...Alzheimer’s Disease: A Cause Of Dementia
Sunday, June 13, 2010
Between fifty and seventy percent of all dementia cases are caused by Alzheimer’s disease. About four million people between the age of 60 and 80 have some symptoms of Alzheimer’s. Memory loss may be seen as a natural sign of aging, however, a person may really be suffering from Alzheimer’s. As the disease gets worse [...]
Continue reading...Hearing Impairment
Saturday, June 12, 2010
Loss of hearing (hearing impairment) can affect a person’s daily routine and in children it can lead to speech development problems. Hearing tests are important for both young and old and are often a part of a routine physical examination performed by a health care professional. Hearing loss refers to the inability to transmit sound [...]
Continue reading...The Auditory System
Friday, June 11, 2010
The ability to hear is a precious sense and the system responsible for this gift is the auditory system. It includes not only the ear, which is visible, but structures that include certain areas of the brain. This system also has a function that has nothing to do with hearing. It helps [...]
Continue reading...Mechanism of Hearing
Wednesday, June 9, 2010
Hearing a sound involves a set of structures that extends from the ear all the way to the brain. Many components are used in the transfer of a sound, most of which are not visible. The outer ear which is known as the “pinna” is like a funnel that traps and transmits sound waves [...]
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Sunday, July 11, 2010
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