Search results
Results from the WOW.Com Content Network
The social model of deafness stems from the social model of disability. The concept of social disability was created by people who are disabled themselves, their families, friends, and associated social and political networks. Professionals in the human services fields and the social sciences greatly contributed to the social model. This model ...
Cerebral deafness (also known as cortical deafness or central deafness) is a disorder characterized by complete deafness that is the result of damage to the central nervous system. The primary distinction between auditory agnosia and cerebral deafness is the ability to detect pure tones, as measured with pure tone audiometry.
DOG activates 2, and inhibits 1 letters in FOG. – +2 DOG activates 1, and inhibits 2 letters in D AN. – +1 The consistency of this model to agnosia is shown by evidence that bilateral lesions to the superior temporal sulcus produces 'pure word deafness' (Kussmaul, 1877), or as it is understood today, speech agnosia.
where F is the center frequency of the filter, in kHz, and ERB( F) is the bandwidth of the filter in Hz. The approximation is based on the results of a number of published simultaneous masking experiments and is valid from 0.1– 6 500 Hz. [1] Seven years later, Glasberg & Moore (1990) published another, simpler approximation: [2]
This does not mean that frequencies above 100 kHz (1/ 10 μs) are audible, but that time discrimination is not directly coupled with frequency range. [7] [8] Frequency resolution of the ear is about 3.6 Hz within the octave of 1000–2000 Hz That is, changes in pitch larger than 3.6 Hz can be perceived in a clinical setting. [6]
Deafness (little to no hearing) is distinguished from partial hearing loss or damage (such as tinnitus), which is less severe impairment in one or both sides. The definition of deafness varies across countries, cultures, and time, though the World Health Organization classes profound hearing loss as the failure to hear a sound of 90 decibels or ...
Profound unilateral hearing loss is a specific type of hearing loss when one ear has no functional hearing ability (91 dB or greater hearing loss). People with profound unilateral hearing loss can only hear in monaural (mono). Profound unilateral hearing loss or single-sided deafness, SSD, makes hearing comprehension very difficult.
The two-streams hypothesis is a model of the neural processing of vision as well as hearing. [1] The hypothesis, given its initial characterisation in a paper by David Milner and Melvyn A. Goodale in 1992, argues that humans possess two distinct visual systems. [2] Recently there seems to be evidence of two distinct auditory systems as well.