Search results
Results from the WOW.Com Content Network
Deafness in animals can occur as either unilateral (one ear affected) or bilateral (both ears affected). This occurrence of either type of deafness seems to be relatively the same in both mixed-breed animals and pure-breed animals. [5] Research has found a significant association between deafness in dogs and the pigment genes piebald and merle ...
Usually, people with this disorder have ataxia, mild–moderate sensorineural hearing loss, narcolepsy, and cataplexy. These symptoms start happening when an affected person is about 30 years old. [6] [7] A bit later in life, people with ADCADN start showing a decline in executive function known as dementia.
A completely deaf, solid white, blue-eyed cat A deaf white cat with yellow eyes. This engraving depicts two cats on a wall with a dog barking below them. The spotted cat hisses at the dog while the deaf white cat dozes, unaware of the barking. Congenital sensorineural deafness occurs commonly in domestic cats with a white coat.
Individuals who exhibit pure word deafness are also still able to recognize non-verbal sounds. [3] The ability to interpret language via lip reading, hand gestures, and context clues is preserved as well. [4] Sometimes, this agnosia is preceded by cortical deafness; however, this is not always the case. Researchers have documented that in most ...
The report, which included a sample of over 15,000 people, found that nearly one in two adults over age 55 are at risk of dementia—and the risk is disproportionately higher for older women ...
A recent study found that about 45 percent of dementia cases are preventable if modifiable risk factors like hearing loss, high LDL cholesterol, and lack of higher education are addressed, McKay says.
Presbycusis (also spelled presbyacusis, from Greek πρέσβυς presbys "old" + ἄκουσις akousis "hearing" [1]), or age-related hearing loss, is the cumulative effect of aging on hearing.
Overall, the lifetime dementia risk after age 55 was 35% for men and 48% for women, the researchers concluded. Women generally live longer than men, a main reason for that difference, Coresh noted.