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Related Concept Videos

Hearing01:31

Hearing

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.
Auditory Perception01:17

Auditory Perception

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 cochlea, a...
Statistical Significance01:37

Statistical Significance

Once data is collected from both the experimental and the control groups, a statistical analysis is conducted to find out if there are meaningful differences between the two groups. A statistical analysis determines how likely any difference found is due to chance (and thus not meaningful). In psychology, group differences are considered meaningful, or significant, if the odds that these differences occurred by chance alone are 5 percent or less. Stated another way, if we repeated this...
Perceiving Loudness, Pitch, and Location01:21

Perceiving Loudness, Pitch, and Location

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.
Place theory, or place coding, suggests that different pitches are heard because various sound waves activate specific locations along the cochlea's basilar membrane. The brain determines the pitch of a sound by identifying...

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Related Experiment Video

Updated: Jun 25, 2026

Making Sense of Listening: The IMAP Test Battery
11:25

Making Sense of Listening: The IMAP Test Battery

Published on: October 11, 2010

A Columbine study: giving voice, hearing meaning.

Carolyn Lunsford Mears

    The Oral History Review
    |March 5, 2009
    PubMed
    Summary

    This study explores how sharing personal stories after community trauma, like the Columbine High School attack, can offer comfort and healing. Giving voice to experiences aids in understanding and processing profound grief.

    Area of Science:

    • Psychology
    • Sociology
    • Trauma Studies

    Background:

    • The Columbine High School attack on April 20, 1999, transformed a typical suburban school into a symbol of tragic school violence.
    • The author, a parent of a student during the attack, initiated research to understand the experience and aid future trauma recovery.

    Observation:

    • Modified oral history interviews and qualitative research were used to collect and study parents' experiences.
    • The research unexpectedly revealed a therapeutic benefit for parents in recounting their stories.

    Findings:

    • The study focused on the methodology of understanding community-wide trauma through personal narratives.
    • Sharing experiences provided a pathway for parents to find comfort and process their trauma.

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    Systematic Hearing Performance Evaluation Process for Adolescents with Cochlear Implantation at Early Ages

    Published on: March 24, 2023

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    Last Updated: Jun 25, 2026

    Making Sense of Listening: The IMAP Test Battery
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    Published on: October 11, 2010

    Systematic Hearing Performance Evaluation Process for Adolescents with Cochlear Implantation at Early Ages
    06:04

    Systematic Hearing Performance Evaluation Process for Adolescents with Cochlear Implantation at Early Ages

    Published on: March 24, 2023

    Implications:

    • Giving voice to personal stories can lead to positive outcomes and a deeper appreciation of one's experience.
    • This approach offers a model for crisis response and trauma care in the aftermath of community-wide tragedies.