The Link Between Untreated Hearing Loss and Cognitive Decline

Hearing loss is a prevalent issue affecting millions worldwide, and unfortunately, many individuals do not move forward with seeking treatment. Recent research has portrayed the potential consequences of untreated hearing loss, particularly its correlation with cognitive decline.

1. The Growing Concern:

The World Health Organization estimates that approximately 466 million people worldwide suffer from disabling hearing loss, a number projected to rise significantly by 2050. As this problem persists, researchers have increasingly focused on understanding the broader impact of hearing impairment beyond just communication difficulties.

2. The Cognitive Link:

Multiple studies have explored the association between untreated hearing loss and cognitive decline. One research study published in JAMA Otolaryngology–Head & Neck Surgery found that older adults with untreated hearing loss experienced cognitive decline at a faster rate compared to those with normal hearing or treated hearing loss. This suggests that hearing loss may accelerate age-related cognitive deterioration.

3. Brain Atrophy and Social Isolation:

Hearing loss has been linked to brain atrophy, which can lead to reduced cognitive functioning. The brain regions responsible for processing sound can become less active due to the lack of stimulation caused by hearing impairment. Additionally, untreated hearing loss is often associated with social isolation and withdrawal, both of which have been linked to cognitive decline.

4. Cognitive Load and Mental Exhaustion:

Struggling to hear and understand conversations in various environments can put an increased cognitive load on the brain. Constantly trying to interpret sounds can lead to mental exhaustion, diverting cognitive resources from other tasks, such as memory and problem-solving.

5. The Importance of Early Intervention:

Early detection and intervention for hearing loss are crucial in reducing its potential cognitive impact. Seeking professional help from our audiologists can lead to the use of hearing aids, cochlear implants, or other assistive technologies. These interventions can improve communication, reduce cognitive strain, and help preserve cognitive function.

The correlation between untreated hearing loss and cognitive decline is an alarming finding that warrants attention. Addressing hearing loss early on can help improve the quality of life, maintain cognitive abilities, and reduce the risk of cognitive decline in later years. For more information about hearing loss and cognitive decline or to schedule an appointment for a hearing evaluation, call Alexandria Hearing Centers at (703)-372-9792.

Sources:

1. World Health Organization (WHO). “Deafness and hearing loss.” (2021) – https://www.who.int/news-room/fact-sheets/detail/deafness-and-hearing-loss

2. Lin FR, Ferrucci L. “Hearing loss and falls among older adults in the United States.” Arch Intern Med. 2012 Feb 27;172(4):369-71.

3. Deal JA, et al. “Association of hearing loss and cognitive decline in older adults.” JAMA Otolaryngology Head Neck Surg. 2017 Feb 1;143(2):112-118.