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Author: Thomas Fischer Weiss Publisher: ISBN: Category : Acoustic nerve Languages : en Pages : 97
Book Description
Recent electrophysiological data obtained from auditory nerve fibers of cats have made possible the formulation of a model of the peripheral auditory system. This model relates the all-or-none activity of these fibers to acoustic stimuli. The constituents of the model are intended to represent the major functional constituents of the peripheral system. These constituents are: (i) a linear mechanical system intended to represent the outer, middle, and the mechanical part of the inner ear; (ii) a transducer intended to represent the action of the sensory cells; and (iii) a model neuron intended to represent the nerve excitation process. A general-purpose digital computer was used to determine the response of the model to a variety of acoustic stimuli. These results were compared with data obtained from auditory nerve fibers. (Author).
Author: Thomas Fischer Weiss Publisher: ISBN: Category : Acoustic nerve Languages : en Pages : 97
Book Description
Recent electrophysiological data obtained from auditory nerve fibers of cats have made possible the formulation of a model of the peripheral auditory system. This model relates the all-or-none activity of these fibers to acoustic stimuli. The constituents of the model are intended to represent the major functional constituents of the peripheral system. These constituents are: (i) a linear mechanical system intended to represent the outer, middle, and the mechanical part of the inner ear; (ii) a transducer intended to represent the action of the sensory cells; and (iii) a model neuron intended to represent the nerve excitation process. A general-purpose digital computer was used to determine the response of the model to a variety of acoustic stimuli. These results were compared with data obtained from auditory nerve fibers. (Author).
Author: Pim van Dijk Publisher: Springer ISBN: 331925474X Category : Medical Languages : en Pages : 487
Book Description
The International Symposium on Hearing is a prestigious, triennial gathering where world-class scientists present and discuss the most recent advances in the field of human and animal hearing research. The 2015 edition will particularly focus on integrative approaches linking physiological, psychophysical and cognitive aspects of normal and impaired hearing. Like previous editions, the proceedings will contain about 50 chapters ranging from basic to applied research, and of interest to neuroscientists, psychologists, audiologists, engineers, otolaryngologists, and artificial intelligence researchers.
Author: Ray Meddis Publisher: Springer Science & Business Media ISBN: 1441959343 Category : Medical Languages : en Pages : 290
Book Description
The Springer Handbook of Auditory Research presents a series of comprehensive and synthetic reviews of the fundamental topics in modern auditory research. The v- umes are aimed at all individuals with interests in hearing research including advanced graduate students, post-doctoral researchers, and clinical investigators. The volumes are intended to introduce new investigators to important aspects of hearing science and to help established investigators to better understand the fundamental theories and data in fields of hearing that they may not normally follow closely. Each volume presents a particular topic comprehensively, and each serves as a synthetic overview and guide to the literature. As such, the chapters present neither exhaustive data reviews nor original research that has not yet appeared in pe- reviewed journals. The volumes focus on topics that have developed a solid data and conceptual foundation rather than on those for which a literature is only beg- ning to develop. New research areas will be covered on a timely basis in the series as they begin to mature.
Author: George R. Hanna Publisher: ISBN: Category : Ear Languages : en Pages : 36
Book Description
A number of first and second order neurons of the guinea pig auditory system were studied extensively in an attempt to determine the method by which information is conveyed. Single neuron electrophysiological techniques with anatomical controls were used in the study and in response to several different stimuli, various response patterns were observed. Statistical methods of analysis, using a digital computer, were employed. Each fiber in the auditory nerve appears to convey only fragmentary information; therefore, the information carried by a number of fibers is required to extract all the information about a single signal. The data suggest that a pulse density modulation system of encoding is used, in which the 'carrier' appears to be the irregular spontaneous background activity, the pulse density of which is actively increased and decreased to convey information about both pitch and loudness. The system appears to be much more sensitive to sound changes than to absolute values. For example, pulse density correlated far better with rate-of-change of stimulus intensity than with absolute levels of intensity. In addition to frequency and amplitude, the interval between successive stimuli may be an important parameter of stimulation.
Author: Joseph M. Miller Publisher: Springer Science & Business Media ISBN: 1461232562 Category : Medical Languages : en Pages : 416
Book Description
This volume describes a new direction in technological and biomedical developments for profoundly deaf individuals. The first section covers topics of tissue characteristics, such as responses to electrical stimulation and computer modelling of cochlea currents. Perception of acoustic signals, responses and behavioral pattern as well as psychophysical aspects are treated in the second part. Part III is addressed to perspectives and challenges of encoding schemes. Reports on studies of acoustic and electrical encoding of temporal information, speech features with cochlear implants as well as psychophysical and speech perceptual studies will allow further strategies for cochlea implants.
Author: Harunori Ohmori Publisher: Springer Nature ISBN: 9813297131 Category : Medical Languages : en Pages : 152
Book Description
This book explains neural function at the level of ion channels and membrane excitability in neurons along the ascending auditory pathway. Airborne sound information is captured by the ears, transformed to neural electrical signals, and then processed in the brain. Readers will find full descriptions of these processes of signal transduction and transformation. First, it is described how, at the level of hair cells, the receptor cells in the cochlea, the sound-evoked vibration is transduced to electrical signals and transmitted to the auditory nerve fibers. In the second section it is explained how the electrical activity of these fibers is processed at the cochlear nucleus in order to extract the temporal and level information of sound separately and then transmitted to the third nucleus for processing of the interaural differences, such as the interaural time difference and the interaural level difference. The third section summarizes the transformation of auditory temporal information to the rate of neural firing activity in the midbrain and the higher nuclei, including the cortex, based on in vivo results. Finally, emerging new technologies to investigate auditory signal processing are reviewed and discussed.
Author: Thomas Fischer Weiss
Author: Thomas Fischer Weiss
Author: Don Herrick Johnson
Author: David James Anderson
Author: Pim van Dijk
Author: Ray Meddis
Author: Nelson Yuan-sheng Kiang
Author: George R. Hanna
Author: Joseph M. Miller
Author: Harunori Ohmori
Author: Yidao Cai