Elliot Kim
As we age, our hearing loses its sharpness, and we can no longer hear certain sounds or frequencies. This is called presbycusis, a common type of hearing loss caused by aging. It makes hearing high-frequency sounds difficult, and it can begin as early as 18 years of age. High-frequency hearing loss leads to trouble hearing sounds in the 2,000 to 8,000 Hz range, including the voices of women and children and certain consonants like f, h, and s. This can make following conversations challenging and increase the risk of cognitive decline and dementia. Additionally, older people may struggle to hear in noisy environments, and common sounds they might miss include alarm clocks, doorbells, and telephones ringing. While there is no cure for high-frequency hearing loss, it can be treated with hearing aids or cochlear implants.
| Characteristics | Values |
|---|---|
| Hearing loss | Older people experience hearing loss, particularly with high-frequency sounds like mosquito buzzes. This is known as presbycusis, and it can begin as early as age 18. |
| Vocal changes | Age-related laryngeal and pulmonary changes cause hoarseness, known as presbyphonia. The male pitch elevates, and the female pitch lowers over time. |
| Repetitive sounds | Some older individuals may make repetitive sounds or utterances, which could be self-soothing behaviours or related to cognitive/psychological decline, including conditions like dementia. |
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What You'll Learn
- Older people may experience presbyphonia, which causes hoarseness
- Age-related hearing loss means older people can't hear high-pitched sounds
- Self-soothing behaviour in older people can manifest as repetitive sounds
- Older people may repeat phrases due to anxiety or dementia
- Ageing causes vocal fold changes, impacting sound production
Older people may experience presbyphonia, which causes hoarseness
Ageing can bring about a decline in our hearing abilities. One of the most common types of hearing loss is caused by ageing, or presbycusis, which makes hearing high-frequency sounds difficult. This can lead to trouble hearing sounds in the 2,000 to 8,000 Hz range, including the voices of women and young children, as well as consonants such as "f", "h", and "s". High-frequency hearing loss can make following conversations difficult and increase the risk of cognitive decline and dementia.
In addition to hearing loss, older people may experience presbyphonia, which is characterised by changes in the quality of the voice. The primary symptom is usually a change in voice quality, such as a quieter, more breathy, or hoarse voice. The pitch range may also be reduced, making it difficult to reach higher notes. Presbyphonia is caused by age-related changes to the structures in the voice box and the muscles that support the vocal folds, including loss of volume and bowing of the vocal cord inner edges. These changes can lead to a gap between the vocal cords during speech, resulting in a hoarse voice.
Presbyphonia can impact an individual's communication and quality of life. Treatment options include voice therapy with a speech-language pathologist and specific exercises taught by a speech and language therapist. Simple changes such as avoiding whispering, shouting, or excessive talking, staying hydrated, and reducing caffeine, smoking, and alcohol intake can also help improve voice quality.
It is important to note that not everyone will experience presbyphonia to the same extent, and the impact on daily life can vary. However, seeking treatment and making lifestyle changes can help manage the condition and improve voice quality.
In summary, older people may experience presbyphonia, resulting in a hoarse voice and other changes in voice quality. This condition is caused by age-related changes to the vocal folds and can be managed through treatment and lifestyle modifications.
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Age-related hearing loss means older people can't hear high-pitched sounds
Hearing is one of the senses that is commonly affected by ageing. As we get older, our hearing loses its sharpness, and we can no longer hear certain sounds or frequencies, especially in environments with a lot of background noise. This is known as presbycusis, and it can begin as early as 18 years of age. The process involves the natural ageing and deterioration of the cells in our inner ears, causing the inner ear to become less sensitive and lose its ability to perceive high-pitched sounds. This is why older people often struggle to hear high-frequency sounds, such as those above 15 kHz, which include mosquito buzzes. The ability to hear these high-pitched frequencies typically fades after the age of 25.
The normal human hearing range is between 20 and 20,000 Hz, but not all humans have the same hearing range. Some individuals can hear higher frequencies than others, while many experience a gradual loss of sensitivity to higher frequencies as they age. Speech and language frequencies, to which we are most sensitive, range from 250 to 8000 Hz. As people age, their hearing range decreases, and they can no longer detect sounds in the higher frequency range.
The "Mosquito teen repeller" is a device that emits a high-frequency tone called the "mosquito tone", which only young people can hear. This device is used by store owners to prevent teenagers from loitering outside their stores. Similarly, teenagers have been known to use ringtones with high-frequency tones that only they can hear, allowing them to receive calls that their parents and teachers cannot detect.
While age-related hearing loss is a common issue, it is important to note that not all older people will experience it to the same extent. Taking care of one's ears throughout their life can help maintain better hearing sensitivity in old age. Additionally, certain technologies, such as hearing aids, can assist older individuals in compensating for hearing loss and improving their quality of life.
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Self-soothing behaviour in older people can manifest as repetitive sounds
Self-soothing behaviours are not uncommon in adults, who may continue to engage in self-soothing behaviours they developed during childhood. Self-soothing is a life skill that can be important for emotional wellbeing. However, some self-soothing behaviours may be considered socially inappropriate or self-injurious. Self-soothing behaviours can include self-harm, stress, trouble coping with or understanding emotions, and attachment issues.
In older people, self-soothing behaviours can manifest as repetitive sounds. For example, an older person may make repetitive noises all day, or sing nonsensical phrases constantly. This could be a result of cognitive or psychological decline, or a behavioural by-product of some kind of cognitive impairment. It could also be a way for the person to self-soothe their anxiety, or a result of boredom. If the person is lacking sensory input, they may be making up their own sounds that they can hear.
High-frequency hearing loss is common among older people, which can make it difficult to hear high-pitched sounds. This can make it harder to hear the voices of women, children, and birds, as well as certain consonants such as "f", "h", and "s". As a result, following conversations can become more challenging, and the brain has to work harder to fill in the blanks. High-frequency hearing loss can be caused by aging, exposure to loud noises, ototoxicity, and certain medications, among other factors.
If an older person is engaging in self-soothing behaviour through repetitive sounds, it may be helpful to consult a medical professional. However, it may be a harmless behaviour that brings the person comfort. In some cases, caregivers may find it annoying or frustrating to hear the repetitive sounds, and noise-cancelling earbuds or earplugs can be a solution to reduce the volume.
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Older people may repeat phrases due to anxiety or dementia
As people age, their voices change, and they may start repeating phrases. This could be due to anxiety or dementia.
Repetition in older people can be a sign of self-stimulation or self-soothing behaviour. It is often seen in elders and can be a by-product of cognitive or psychological decline. One of the most common reasons for this behaviour is dementia. People with dementia often engage in repetitive behaviours, such as making the same gestures, saying the same things, or asking the same questions over and over again. This may be due to memory loss, as they may not remember what they have said or done previously. They may also be trying to express a specific concern, ask for help, or cope with frustration, anxiety, or insecurity.
Additionally, as dementia progresses, individuals may experience hallucinations or delusions that can cause anxiety or agitation. For example, a person with dementia may believe there is a war in their town after seeing news footage of a foreign conflict. In such cases, caregivers can use techniques such as validation, distraction, and redirection to navigate these challenging situations. Validation involves responding to the person with empathy and support without refuting their warped perception of reality.
However, repetition in older adults is not always related to dementia. It can also be a natural part of the ageing process, as elders may repeat stories and questions as a way to reflect on their past and contemplate their legacy. Nonetheless, this behaviour can still be frustrating for caregivers and family members. In such cases, it is essential to focus on the emotions behind the behaviour rather than reacting to the action itself.
In summary, older people may repeat phrases due to anxiety or dementia. While this behaviour can be challenging for caregivers, it is important to remember that it is often a way for elders to cope with cognitive or psychological changes. By understanding the underlying causes and employing strategies such as validation, distraction, and redirection, caregivers can effectively support their loved ones and preserve their dignity.
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Ageing causes vocal fold changes, impacting sound production
Ageing is associated with a decline in hearing and changes in vocal folds, impacting sound production. Presbycusis, or age-related hearing loss, makes it difficult to hear high-frequency sounds, typically in the 2,000 to 8,000 Hz range. This results in challenges understanding the voices of women, children, and high-pitched sounds like alarms, phones, or birds chirping. The stereocilia, the tiny hair-like cells in the inner ear responsible for sound transfer to the brain, can sustain damage from factors like noise exposure, impacting hearing ability.
The larynx, vocal folds, and voice-producing mechanism are not exempt from the ageing process. Age-related changes include atrophy of the vocal fold muscles, thinning and stiffening of the superficial lamina propria (the flexible tissues responsible for vocal fold vibration), and loss of moisture in the vocal folds. These changes can lead to a wobbly or shaky quality in the voice, a high-pitched "reedy" roughness, and a decrease in projection and resonance. The thinning of vocal fold tissues causes a spindle-shaped gap, which has been recognised as a definitive sign of age-related voice change.
The physical effects of ageing on the vocal folds can result in a voice that sounds older, with tones that are thin, rough, hoarse, high, or breathy. These changes may begin as early as the fifties for some individuals, while others may retain a more youthful-sounding voice into their eighties. The variation in age-related voice changes is notable, and the severity and time of onset differ significantly from person to person.
To address age-related voice changes, voice therapy is often the first line of treatment. Vocal fold injection procedures, such as collagen or fat injections, can also be considered to restore lost bulk to the vocal fold muscle and improve closure during voicing. However, it is important to note that injections do not address changes in the vibratory tissues of the vocal folds, and the results are typically temporary.
In conclusion, ageing causes vocal fold changes that impact sound production, resulting in a voice that may be perceived as sounding "old." These changes can be addressed through voice therapy and, in some cases, vocal fold injection procedures. However, the variation in age-related voice changes and the individual differences in severity and onset timing are significant.
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Frequently asked questions
Yes, as we age, we can no longer hear certain high-frequency sounds. This is due to a common type of hearing loss called presbycusis, which is caused by the natural ageing of the cells in our ears. This can make it difficult to hear sounds in the 2,000 to 8,000 Hz range, including the voices of women and children, as well as certain consonants like "f", "h", and "s".
The highest frequency sound that only young people can hear is known as the "mosquito tone", which has a frequency of 17.4 kHz. Most people over the age of 18 are unable to detect this sound.
In addition to high-pitched sounds, individuals with high-frequency hearing loss may also struggle to hear in noisy environments, as it becomes difficult to distinguish specific sounds from background noise. Common sounds that older people might miss include alarm clocks, doorbells, telephones, and microwaves beeping.
