Spatial hearing loss

Editor-In-Chief: Prab R Tumpati, MD
Obesity, Sleep & Internal medicine
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Spatial hearing loss
Synonyms	N/A
Pronounce	N/A
Specialty	N/A
Symptoms	Difficulty in localizing sound sources, challenges in understanding speech in noisy environments
Complications	N/A
Onset	Can occur at any age, often noticed in childhood or with aging
Duration	Chronic
Types	N/A
Causes	Central auditory processing disorder, corpus callosum abnormalities, hearing loss
Risks	Age, genetic predisposition, neurological disorders
Diagnosis	Audiometry, central auditory processing tests
Differential diagnosis	Sensorineural hearing loss, conductive hearing loss
Prevention	N/A
Treatment	Hearing aids, auditory training, environmental modifications
Medication	N/A
Prognosis	Varies depending on underlying cause and intervention
Frequency	Not well-documented, varies by population
Deaths	N/A

Spatial hearing loss is a type of hearing impairment that affects a person's ability to perceive the location of sounds in space. This condition can significantly impact a person's quality of life, as it can make it difficult to locate the source of a sound, understand speech in noisy environments, and participate in social activities.

Causes

Spatial hearing loss can be caused by a variety of factors. One common cause is damage to the inner ear, which contains the cochlea and the vestibular system. These structures are responsible for detecting sound and maintaining balance, respectively. Damage to these structures can result from aging, exposure to loud noise, certain medications, and various medical conditions. Another cause of spatial hearing loss is damage to the auditory nerve, which carries signals from the inner ear to the brain. This can occur as a result of a brain injury, a stroke, or a tumor.

Symptoms

The primary symptom of spatial hearing loss is difficulty locating the source of sounds. This can make it challenging to determine where a sound is coming from, especially in noisy environments. Other symptoms can include difficulty understanding speech, especially when there is background noise, and a decreased ability to perceive depth and distance.

Diagnosis

Diagnosis of spatial hearing loss typically involves a comprehensive audiological evaluation, which may include pure tone audiometry, speech audiometry, and immittance audiometry. These tests can help determine the type and severity of the hearing loss, as well as the underlying cause.

Treatment

Treatment for spatial hearing loss depends on the underlying cause and the severity of the hearing loss. Options may include hearing aids, cochlear implants, and auditory training programs. In some cases, treatment may also involve addressing any underlying medical conditions that may be contributing to the hearing loss.

Spatial_hearing_loss images

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  Total advantage in dB

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  left ear advantage with left ear inhibition

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  Left ear advantage with right ear inhibition

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  Ascending LiSN scores

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  left ear advantage in children

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  Contralateral DPOAE suppression

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  Spatial hearing loss

See also

• Hearing loss
• Audiology
• Audiometry

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