ANATOMY, PHYSIOLOGY, AND DISORDERS OF THE AUDITORY SYSTEM - PART 8 docx

... extensively, little is known about the subsequent effect on the func- tion of the central nervous system. Impairment of the 2 28 Section III Disorders of the Auditory System and Their Pathophysiology BOX ... pressure non- invasively. The outcome of the test depends on fine details of the anatomy of the stapes and its suspension in the oval window,...

Ngày tải lên: 11/08/2014, 06:21

... divide disorders of the auditory system in to peripheral and central disorders. This book therefore takes an integrated approach to disor- ders of the auditory system. While most disorders of the auditory ... thorough understanding of the basic functions of the entire audi- tory system and the interactions between the periph- eral and the centr...

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 ... membrane and the length (and thereby the stiffness) of the hairs also varies along the basilar membrane. These res- onators together with the travel...

Ngày tải lên: 11/08/2014, 06:21

... 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...

Ngày tải lên: 11/08/2014, 06:21

... 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

... 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 own, as they often do in the case of otitis ... determine the absolute threshold of the acoustic middle-ear reflex. The “threshold” of the 184 Section II The Auditory Nervous System BOX 1 (cont’d) midd...

Ngày tải lên: 11/08/2014, 06:21

... 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 ... range of sound intensities [ 58] . The number of channels that are required depends on the resolution of coding of the intensity of sounds in these frequency...

Ngày tải lên: 11/08/2014, 06:21

... head, width of the face at the level of the eyes, and appearance of the chin and forehead. Besides measurement of the head circumference, arm GALE ENCYCLOPEDIA OF GENETIC DISORDERS 1 189 Weaver ... 260, Houston, TX 77014. (80 0) 36 5-9 944 or (83 2) 24 9-9 988 . Fax: (83 2) 24 9-9 987 . tesch@turner- syndrome-us.org. Ͻhttp://www.turner-syndrome-us.orgϾ. WEBSI...

Ngày tải lên: 10/08/2014, 15:20