7 edition of Auditory Frequency Selectivity found in the catalog.
November 1, 1986
Written in English
Nato a S I Series Series a, Life Sciences
|The Physical Object|
|Number of Pages||456|
This Chapter presents a new physical model for signal processing phenomena (power amplification and frequency selectivity) occurring in the inner ear (Cochlea). It is generally accepted that Outer Hair Cells (OHCs) play a pivotal role in the Cochlear signal processing. In the proposed new model we postulate that all signal processing phenomena in the Cochlea are Cited by: 1. ‘The sharp frequency selectivity of auditory nerve fiber responses to sound is a hallmark of vertebrate cochlear function.’ ‘It has been proposed on general theoretical grounds that the frequency selectivity of hair bundles, as well as their sensitivity to weak signals, is conferred by their proximity to a dynamical instability.’.
suggested that the frequency selectivity of the auditory neuron and basilar membrane consist of two components. The first is a low-pass filter process, apparently dependent upon the passive mechanical properties of the basilar membrane and surrounding fluids, . Selectivity for the rate of frequency-modulated sweeps in the mouse auditory cortex Michael Trujillo, 1Kevin Measor, Maria Magdalena Carrasco, and Khaleel A. Razak2 1Graduate Neuroscience Program and 2Department of Psychology, University of California, Riverside, California Submitted 31 May ; accepted in ﬁnal form 16 August Auditory frequency selectivity was inferred from measurements of the detectability of tonal signals as a function of the cutoff frequency of a low-pass computer-generated noise masker. In Experiment I the effect of small changes in signal-to-noise ratio on inferred auditory frequency selectivity was by:
Frequency selectivity (FS) refers to the ability of the auditory system to identify tonal components in complex sound .It largely depends on the filtering ability of the cochlea , and its tuning properties are determined by the amplification mechanisms of the cochlear outer hair cells (OHCs) at low stimulus levels [3–5].Damage to the OHCs will reduce both the FS Cited by: 4. Blue dotted line shows a classical tuning curve for a 'single-peaked' frequency selective neuron with a best frequency (BF) at around Hz, as illustrated by the maximal response of this neuron to frequencies around this BF. The red solid line shows a schematic response of a multi-peaked neuron identified by Kadia and Wang (). The selectivity of any radio receiver is of great importance. With the vast number of signals being transmitted it is important that the radio receiver is able receive only the required signal on the wanted frequency and to reject others.
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SyntaxTextGen not activatedEnrique A. Lopez-Poveda, in Development of Auditory and Vestibular Systems, pdf Informational and Distracting Masking. In the preceding sections, it has been reasoned that auditory masking (whether simultaneous or non-simultaneous) is related to, and is frequently used to, assess frequency selectivity and temporal resolution and their development.
The .Start studying Frequency Selectivity, Masking, and Critical Band. Learn vocabulary, terms, and more with flashcards, games, and other study tools.The ebook filter of an impaired ear is flatter and broader compared to a normal ear.
This is because the frequency selectivity and the tuning of the basilar membrane is reduced as the outer hair cells are damaged. When only the outer hair cells .