Related Help Pages: Hearing loss Causes Noise

Understanding high-frequency hearing loss

Contributed by | Tuesday, May 12th, 2015

There’s a television commercial for a well known credit card company which claims “we treat you like you’d treat you.” It features a telephone conversation with two young man who look a lot alike. One has an affinity for frogs. The other is the credit card company representative.

“Hey! I heard you guys can help me with frog protection?” the potential customer asks the representative as he lovingly strokes the head of his giant, green, pet frog.

“Yeah, we provide fraud protection,” the representative responds and then proceeds to deliver a short pitch about the benefits of opening an account.

“Just to be clear, you are saying frog protection,” the potential customer asks.

“Fraud protection,” the representative says, as if he heard clearly.

high frequency hearing loss
Exposure to loud noise can cause high-
frequency hearing loss.

 “I think we’re on the same page,” the potential customer summarizes.

“We’re totally on the same page,” the representative concurs.

This is a funny scenario when you’re watching it play out on television, but not quite so funny when it occurs in your daily life as a result of hearing loss.

Take high-frequency hearing loss, for example. Individuals with this condition have trouble hearing sounds in the 2,000 to 8,000 Hertz range. In speech, this includes consonants such as s, h or f. Adults with high-frequency hearing loss may have trouble understanding female voices more than male voices and difficulty hearing birds sing or the doorbell ring. Speech may seem muffled, especially when using the telephone.

When children have high-frequency hearing loss, it can impede their ability to learn speech and language, effecting their ability to learn in school.

Regardless of your age, high-frequency hearing loss can affect your quality of life, creating anxiety, depression and social isolation.

What is high-frequency hearing loss?

High-frequency hearing loss occurs when the sensory hearing cells in your cochlea die or are damaged. These hairs are responsible for translating the noises your ears collect into electrical impulses, which your brain eventually interprets as recognizable sound. High-frequency sounds are perceived in the lower part of the cochlea, while the hair cells that perceive low-frequency sounds are located near the top. Because of this, hearing loss typically effects the higher frequencies before it effects the lower frequencies.

What are the causes of high frequency hearing loss?

Individuals of all ages can be effected by high-frequency hearing loss — and the reasons causing it are just as varied.

Noise: According to the National Institute on Deafness and Other Communication Disorders (NIDCD), more than 10 million Americans have suffered irreversible damage due to noise-induced hearing loss (NIHL), with 30-50 million more exposed to dangerous noise levels on a daily basis. The damage can occur as the result of a one-time, loud exposure to noise, such as a gunshot or explosion, or can occur over time with constant exposure to noise louder than 85 decibels (dB).

Aging: hearing loss that occurs as the result of the aging process is called presbycusis. Because this is a slow process which usually affects both ears equally, it’s often difficult to notice. One of the first signs is the inability to understand speech in noisy environments and high frequency sounds.

Genetics: Check your family history. If your relatives developed high-frequency hearing loss, you may be genetically predisposed to developing it as well.

Ototoxicity: some types of drugs are ototoxic, meaning they are harmful to your hearing health. Some of the more common ototoxic drugs include salicylates (aspirin) in large quantities, drugs used in chemotherapy treatments and aminoglycoside antibiotics.

Diseases: Meniere’s disease, which affects the inner ear, often occurs between the ages of 30-50 and may include hearing loss, tinnitus and sensitivity to loud sounds. In children, chronic Otitis Media (commonly known as an ear infection) can lead to hearing loss if it’s untreated. If your child has chronic, reoccurring ear infections, please consult a hearing healthcare professional before it affects their speech and language development.

Is high-frequency hearing loss preventable?

High-frequency hearing loss isn’t reversible, but in some cases it is preventable. One of the best prevention techniques is to protect your hearing against exposure to noise – especially noise louder than 85 decibels (dB). Keep the volume turned down on your personal electronic devices and wear hearing protection whenever you anticipate being in a noisy environment, such as at the shooting range, when riding snowmobiles, or when attending a rock concert or sporting event. Inexpensive ear plugs are available at the local drugstore for occasional use. If you regularly engage in very noisy hobbies, consider investing in specialized hearing protection such as noise cancelling headphones or custom-made earmolds.

How to treat high-frequency hearing loss

As you can see, high-frequency hearing loss can result from a variety of reasons. Fortunately, most cases can be managed with hearing aids. If you suspect you have hearing loss, make an appointment to see a hearing health professional to get your hearing tested. If your tests indicate you have hearing loss which can be treated with a hearing device, such as hearing aids or cochlear implants, be sure to follow through with treatment recommendations. Research indicates the majority of hearing aid users are satisfied with their hearing devices and enjoy a richer quality of life than those who decide not to seek treatment. 

That's primarily because hearing aid technology has improved dramatically in the past 10 years. Not only are they more comfortable to wear, they also separate speech from background noise much better and connect easily to other personal electronic devices, including your telephone and television.  

And, at the very least, hearing the television better might just make it easier to understand those funny frog protection commercials — or know when it's time to change the channel.

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