profound deafness


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Related to profound deafness: hearing impairment, hearing loss

profound deafness

A level of hearing loss in which a person cannot hear a sound unless it is at least 90 decibels loud (about as loud as a lawnmower or a nearby motorcycle).
See also: deafness
References in periodicals archive ?
The proband had a profound deafness but displayed normal bone conductive hearing at 250 Hz.
A genetic fault here means that these cells will not form properly or in sufficient numbers, leading to profound deafness or extremely poor hearing.
The total communications program tracks the oral and signed progress of students experiencing any communications disability, from an auditory impairment to profound deafness.
These mice have fairly normal central nervous systems except for having profound deafness and smaller cerebellums.
About 60,000 implantations have been performed worldwide in patients with severe to profound deafness.
Most people who experience such progressive hearing loss detect a mild decline in hearing ability in adolescenc e, which deteriorates to profound deafness by middle adulthood.
What about the differing levels of deafness, from mild hearing losses to profound deafness, congenital losses to those deafened after they had already acquired language?
Connexin 26 deafness may account for 40% of all childhood deafness, and 60% of those with the connexin 26 phenotype will have severe to profound deafness.
Wendell was born with a defect of the left eye, profound deafness, ear abnormalities, facial palsy, repaired heart defects, genital hypoplasia, and vocal cord paralysis, and needed a feeding tube.
JONATHAN LISTER has shown incredible commitment and determination to overcome profound deafness.
We have seen severe behavioural problems, juvenile diabetes, juvenile arthritis, epilepsy, profound deafness and the brain degenerative conditon SSPE.
After 20 years of profound deafness, Mike has had his hearing restored with a hi-tech operation.