ANATOMY, PHYSIOLOGY, AND DISORDERS OF THE AUDITORY SYSTEM - PART 9 pdf

... complex disorders of the auditory system and their causes are often obscure. Often it is not even pos- sible to identify the anatomical location of the physio- logical abnormalities that cause these ... amplitude of each band pass filter (Fig. 11.5). The sum of the output of these band-pass filters was then sent via normal telephone lines to the switching station...

Ngày tải lên: 11/08/2014, 06:21

... 301 List of Abbreviations 303 Index 305 viii Contents It is now recognized that disorders of one part of the auditory system often affect the function of other parts of the auditory system. This ... thorough understanding of the basic functions of the entire audi- tory system and the interactions between the periph- eral and the central portions...

Ngày tải lên: 11/08/2014, 06:21

... entrance of the ear canal depends on the frequency of the sound and on the angle of incidence of the sound (direction to the sound source). 6. The difference in time of arrival of a sound at the ... along the membrane and the length (and thereby the stiffness) of the hairs also varies along the basilar membrane. These res- onators together with...

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... between the clas- sical and the non-classical auditory pathways. While the ICC is a part of the classical ascending auditory system the ICX and the DC are parts of the non-classical auditory system. ... function of the auditory nerv- ous system is important for understanding many disorders of the auditory system and it is a necessity for de...

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... description of the potentials on the surface of the head, determination of the location of a source of the potentials on the basis of distribution of the electrical voltage on the surface of the head ... between the middle of that line and the vertex. The origin of the vectors is the latency of the first peak in the dipole and the le...

Ngày tải lên: 11/08/2014, 06:21

... 198 8. 75. Hall JW. Handbook of auditory evoked responses. Boston, MA: Allyn and Bacon, 199 2. 76. Harrison JM and Howe ME. Anatomy of the descending auditory system in auditory system. In: Handbook ... reducing the intensity of a sound (turning the volume of a loud- speaker down). Many forms of disorders of the conduc- tive apparatus will resolve on their o...

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... Section III Disorders of the Auditory System and Their Pathophysiology 7.1. Disorders of the Brainstem Auditory Pathways Disorders that affect the brainstem nuclei of the audi- tory system and which ... understanding of neural plasticity is therefore important for under- standing the pathology of many disorders and for treatment of disorders of...

Ngày tải lên: 11/08/2014, 06:21

... G 1 [ 19] . In particular, p21 is a direct target of SREBP [20]. The role of SREBP-1a in the regulation of cell growth and the cell cycle might be biphasic and complex, and needs to be further investigated. SREBP ... b-cell mass is crucial in the development of diabetes. SREBP-1c inhibition of IRS-2 affects b-cell mass and promotes diabetes. Besides affecting b-cell...

Ngày tải lên: 18/02/2014, 13:20