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Hearing loss is a partial or total inability to hear. [5] Hearing loss may be present at birth or acquired at any time afterwards. [6] [7] Hearing loss may occur in one or both ears. [2] In children, hearing problems can affect the ability to acquire spoken language, and in adults it can create difficulties with social interaction and at work. [8]
The impact of hearing loss is far from isolated. Let's look at how hearing loss impacts a person's cognitive health, mental health, financial health, and other aspects of life.
Age-related hearing loss is characterised by slowed central processing of auditory information. [148] [150] Worldwide, mid-life hearing loss may account for around 9% of dementia cases. [151] Frailty may increase the risk of cognitive decline, and dementia, and the inverse also holds of cognitive impairment increasing the risk of frailty ...
The estimated global number of young people who may be at risk of hearing loss due to exposure to unsafe listening practices ranged from 0.67 to 1.35 billion. [44] The authors concluded that unsafe listening practices are highly prevalent worldwide and may put over 1 billion young people at risk of hearing loss. [44]
Language deprivation in deaf and hard-of-hearing children is a delay in language development that occurs when sufficient exposure to language, spoken or signed, is not provided in the first few years of a deaf or hard of hearing child's life, often called the critical or sensitive period. Early intervention, parental involvement, and other ...
There are approximately 12,000 children with hearing loss in the United States. [3] Profound hearing loss occurs in somewhere between 4 and 11 per every 10,000 children. [ 4 ] In 2017, according to the CDC , of the 3,742,608 babies screened, 3,896 were diagnosed with hearing loss before the age of three months or 1.7 babies per 1,000 births ...
The hearing loss is most marked at higher frequencies. Hearing loss that accumulates with age but is caused by factors other than normal aging (nosocusis and sociocusis) is not presbycusis, although differentiating the individual effects of distinct causes of hearing loss can be difficult.
The Lancet reported that untreated hearing loss in adults is the number one modifiable risk factor for dementia. [74] In 2017, a study also reported that adults using a cochlear implant had significantly improved cognitive outcomes including working memory, reaction time, and cognitive flexibility compared to people who were waiting to receive ...