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Related Concept Videos

Perception of Sound Waves01:01

Perception of Sound Waves

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The human ear is not equally sensitive to all frequencies in the audible range. It may perceive sound waves with the same pressure but different frequencies as having different loudness. Moreover, the perception of sound waves depends on the health of an individual's ears, which decays with age. The health of one's ears may also be affected by regular exposure to loud noises.
The pitch of a sound depends on the frequency and the pressure amplitude of the source. Two sounds of the same...
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Hearing01:31

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When we hear a sound, our nervous system is detecting sound waves—pressure waves of mechanical energy traveling through a medium. The frequency of the wave is perceived as pitch, while the amplitude is perceived as loudness.
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Auditory Perception01:17

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The auditory system is essential for sound perception, utilizing various critical structures. When sound waves enter the outer ear, they travel through the ear canal and cause the eardrum to vibrate. These vibrations are then transmitted to the middle ear, where three tiny bones – the malleus, incus, and stapes – amplify the sound. This amplification is crucial, as it ensures that the sound vibrations are strong enough to be conveyed to the inner ear. These vibrations then reach the...
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Perceiving Loudness, Pitch, and Location01:21

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The human brain perceives pitch through two primary mechanisms reflected in place theory and frequency theory. Each mechanism describes how sound waves are interpreted as specific pitches by the brain, offering insights into the intricate processes of auditory perception.
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An Automated System for Sound Localization Testing in Hearing-Impaired Listeners
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An Automated System for Sound Localization Testing in Hearing-Impaired Listeners

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The spatial hearing questionnaire: data from individuals with normal hearing.

Ann E Perreau, Bryn Spejcher, Hua Ou

    American Journal of Audiology
    |April 2, 2014
    PubMed
    Summary
    This summary is machine-generated.

    Individuals with normal hearing scored high on the Spatial Hearing Questionnaire (SHQ), demonstrating its reliability. This validated measure can help set targets for hearing device users.

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    Area of Science:

    • Audiology
    • Auditory Neuroscience
    • Speech and Hearing Sciences

    Background:

    • Existing hearing questionnaires often overlook complex listening scenarios.
    • Assessing spatial hearing ability is crucial for understanding real-world auditory challenges.

    Purpose of the Study:

    • To evaluate the performance of the Spatial Hearing Questionnaire (SHQ) in individuals with normal hearing.
    • To compare normal-hearing individuals' spatial hearing abilities with those of cochlear implant (CI) users.

    Main Methods:

    • Fifty-one participants with normal hearing completed the 24-item SHQ.
    • Factor analysis and reliability tests were conducted on the SHQ data.

    Main Results:

    • Normal-hearing participants achieved high overall scores (87%) on the SHQ.
    • Speech understanding in quiet (98%) was rated higher than sound localization (84%) and speech in noise (85%).
    • Normal-hearing listeners reported significantly better spatial hearing than bilateral and unilateral CI users.

    Conclusions:

    • The SHQ reliably measures spatial hearing ability in normal-hearing individuals.
    • The questionnaire effectively differentiates between normal-hearing listeners and CI users.
    • Data from this study can inform rehabilitation targets for hearing device users.