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Cats have one of the broadest ranges of hearing among mammals. [11] Humans and cats have a similar range of hearing on the low end of the scale, but cats can hear much higher-pitched sounds, up to 64 kHz , which is 1.6 octaves above the range of a human, and 1 octave above the range of a dog.
Deafness can occur in white cats with yellow, green or blue irises, although it is mostly likely in white cats with blue irises. [4] In white cats with one blue eye and one eye of a different color (odd-eyed cats), deafness is more likely to affect the ear on the blue-eyed side. [1] Approximately 50% of white cats have one or two blue eyes. [5]
Congenital toxoplasmosis may also impact a child's hearing. Up to 30% of newborns have some degree of sensorineural hearing loss. [77] The child's communication skills may also be affected. A study published in 2010 looked at 106 patients, all of whom received toxoplasmosis treatment prior to 2.5 months.
The damage can become permanent (permanent threshold shift, PTS) if sufficient recovery time is not allowed before continued sound exposure. [1] When the hearing loss is rooted from a traumatic occurrence, it may be classified as noise-induced hearing loss, or NIHL. There are two main types of auditory fatigue, short-term and long-term. [2]
Over-the-counter (OTC) hearing aids are amplification devices that consumers who suffer from mild to moderate hearing loss can buy directly without a prescription, says Melissa Schnitzspahn, AuD ...
“The research shows that the adaptation of hearing aids has only increased by up to 2% with the use of over-the-counter devices, and anecdotal documentation shows that about 50% of those ...
Shari Eberts advocates for individuals with hearing loss by sharing her own story, empathy, and shared goal to reduce stigma around hearing loss and normalize treatment and self-advocacy.
Ototoxicity-induced hearing loss typically impacts the high frequency range, affecting above 8000 Hz prior to impacting frequencies below. [8] There is not global consensus on measuring severity of ototoxicity-induced hearing loss as there are many criteria available to define and measure ototoxicity-induced hearing loss.