Page 1 of 37 - About 369 essays
  • Cochlea Research Paper

    659 Words  | 3 Pages

    is the cochlea, which is a spiral fluid filled tube inside our ear. This organ has three different divisions or most commonly called the scalae, which makes it circulate together around the central core and it creates something similar looking to a snail with a shell. This is where many of the blood vessels as well as the auditory nerve are confined. The organ of Corti, which is the site for all of the receptor cell sis found one membrane between the scalae and basilar membrane. The cochlea is one

  • Thesis Statement For Hearing Impairment

    1363 Words  | 6 Pages

    The inner ear has three parts: the vestibule, semi-circular canal, and cochlea which is serve as a house of the two bodily organs, it is the organ of balance and the organ of hearing or perception. Organ balance contained the semi- circular canal and the vestibule organ of hearing or the organ of Corti which is placed in cochlea. Furthermore, outer ear as one of the functional parts of the ear consist of two major elements, the external flange or pinna

  • Peripheral Cortex : The Mammalian Axons From Auditory Spiral Ganglion Neurons

    2827 Words  | 12 Pages

    ubiquitous among spiral ganglion neurons at E16.5. These results support previous work on the spatial expression of P2X3 during development and serve as a foundation for future examination of the developmental function of P2X3. Introduction The mammalian cochlea is located within the inner ear and is responsible for the transduction of auditory stimuli from an organism’s external environment to the brain. The neurons that mediate this signal transduction are spiral ganglion neurons (SGN), a bipolar cell type

  • Pros And Cons Of Deaf

    745 Words  | 3 Pages

    1. Pathological view- an individual would downplay or be embarrassed of the fact that they are deaf, pathological view preaches the use of hearing aids and wanting to fix the “problem” and focuses a lot on learning speech, and the pathological view is when an individual thinks that using professional help such as an interpreter is “HELPING” the Deaf overcome their handicap so they can live properly in the hearing world. Cultural view- is when a person is willing and open in acknowledging their deafness

  • The Term Cochlear Amplifier, Coined By Thomas Gold

    1740 Words  | 7 Pages

    The term cochlear amplifier, coined by Thomas Gold in 1948, can be described as a positive feedback mechanism whereby outer hair cells amplify displacements of the basilar membrane in the cochlea. It characterises ‘the collection of processes that increase sound vibrations in the inner ear’ (Ashmore & Gale, 2004). Sounds are generated by movement of air molecules that create changes in air pressure. These changes in pressure are called compressions, when the molecules are closer together, and rarefication

  • Basilar Hair Cells: A Case Study

    324 Words  | 2 Pages

    When outer hair cells are damaged, compression of cochlea is diminished. The Basilar membrane is broadly tuned and becomes linear in case of total damage to OHC. Because of which, there is a less gain or no gain for low intensity levels. Also, the threshold level elevates from normal threshold level and reduces the dynamic range. In a condition called loudness recruitment, the loudness growth near the threshold is same as normal or other hearing impaired, but abnormally high at the elevated thresholds

  • Deafness : What It Is?

    1083 Words  | 5 Pages

    What is deafness? Deafness is very different to people’s general perception of what it actually is. The most common view is that it is a complete loss of hearing however deafness is defined as the lack or loss of the ability to hear. You can either be born deaf or gradually lose the ability to hear later on in life (Presbycusis). Pre natal or congenital causes of deafness may be due to a specific X chromosome being passed on through generations of families even though there may be no previous history

  • Physiology Of Hearing : Anatomy

    1913 Words  | 8 Pages

    next part of the middle ear which consist of three small bones called the ossicles also known individually as the malleus, incus and stapes. The sound energy up to the inner ear travels through air but after these three small bones the inner ear (cochlea) is filled with a fluid that the vibrations pass through. I imagine the reason for this is that liquid can transfer the energy more efficiently than air. The malleus, incus and stapes act as an amplifier to boost the level going into this liquid filled

  • Cochlear Auditory Essay

    1220 Words  | 5 Pages

    (CI), have given patients with profound sensorineural hearing loss newfound hope for habilitation and rehabilitation services. However, “there exists a small subset of deaf individuals who will not benefit from the CI due to (1) a small or absent cochlea, (2) a small or absent auditory nerve, or (3) injury or scarring of the inner ear or auditory nerve secondary to meningitis, trauma, or tumor” as stated by Kaplan et al. (2015). A treatment option for those who did not meet the candidacy qualifications

  • Acoustic Trauma

    1437 Words  | 6 Pages

    because, similarly to humans, it cannot reproduce hair cells after birth and are sensitive to ototoxicity and acoustic trauma. The animals are also relatively quick developing enough to use for such a study and allow researchers more examine the cochlea. This early paper was looking more towards physical damage to the hair cells as opposed to the chemical damage caused during development. They believed that the recovery process was age related, and that belief had been supported in the previous research