ANATOMY, PHYSIOLOGY, AND DISORDERS OF THE AUDITORY SYSTEM - PART 4 potx

... 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

... of disorders of the auditory system emphasizing the interaction between patholo- gies of the middle ear and the cochlea and the function of the nervous system and vice versa. Hyperactive dis- orders ... thorough understanding of the basic functions of the entire audi- tory system and the interactions between the periph- eral and the centra...

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

... function of the ear and the auditory nervous system. In this chapter, I will discuss the near-field and far-field potentials from the auditory nervous system. The neural generators of the ABR ... 7.6 ANATOMY OF THE LATERAL RECESS OF THE FOURTH VENTRICLE The caudal portion of the floor of the lateral recess is the (dorsal) surface of the dorsa...

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 1 84 Section II The Auditory Nervous System BOX 1 (cont’d) mi...

Ngày tải lên: 11/08/2014, 06:21

... in the way that they affect the patient and in how such disorders alter the outcome of audiomet- ric tests. Symptoms from the auditory system from patholo- gies of central portions of the auditory ... extensively, little is known about the subsequent effect on the func- tion of the central nervous system. Impairment of the 228 Section III Disorders of...

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 ... 5.13) [173]. The subcortical connections to the amygdala from the auditory system (the low route) involve the dorsal part of the thalamus, which is a part...

Ngày tải lên: 11/08/2014, 06:21

... in min-' in kW in Vmin in MPa - nc=331 min-' 15 3.57 5 04 4. 52 398 3.57 42 0 4. 52 331 16 3.57 5 04 4. 52 398 3.57 42 0 4. 52 331 18 3.57 5 04 4. 52 398 3.57 42 0 4. 52 331 ... application of hand-held devices if the axial component of the reaction force exceeds the critical value of FK = 250 N (25 kg). In the FR range of 15...

Ngày tải lên: 12/08/2014, 02:22