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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]
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]
The inner ear includes sensory organs for balance and hearing. When the inner ear is inflamed, vertigo is a common symptom. Other symptoms in adults include pain and drainage from ear or problems with hearing. [8] Symptoms in children can include excessive crying, touching at ears, drainage, and fever. [8]
Globally approximately 141 million people have mild hearing loss due to otitis media (2.1% of the population). [74] This is more common in males (2.3%) than females (1.8%). [74] This hearing loss is mainly due to fluid in the middle ear or rupture of the tympanic membrane.
"The vet 'you perfect angel you' the cat 'UNHAND ME!!!'" one commenter joked. Are Ragdoll Cats Good Pets? There's a reason why the woman was so tickled by the cat's visit.
Low-frequency conductive hearing loss is present in many patients with SCDS and is explained by the dehiscence acting as a "third window." Vibrations entering the ear canal and middle ear are then abnormally diverted through the superior semicircular canal and up into the intracranial space where they become absorbed instead of being registered ...
Enjoy a classic game of Hearts and watch out for the Queen of Spades!