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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.
Perception of Sound Waves01:01

Perception of Sound Waves

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 frequency...
Anatomy of the Ear01:16

Anatomy of the Ear

Auditory sensation, commonly called hearing, involves the transformation of sonic waves into neural impulses facilitated by the structures of the auditory organ. The prominent, flesh-like structure on the side of the head, called the auricle, directs sound waves towards the auditory canal. The auricle is often mislabeled as the pinna, a term more aligned with mobile structures like a feline's external ear. The auditory canal penetrates the cranium via the external auditory meatus of the...
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...
Gestalt Principles of Perception01:21

Gestalt Principles of Perception

Gestalt principles provide a framework for understanding how humans perceive objects as unified wholes within their context. These principles are essential in explaining the cognitive processes that make sense of complex visual stimuli by organizing them into coherent groups. One fundamental principle is proximity, which posits that objects located close to each other are perceived as a collective group. For instance, when dots are positioned near one another, the visual system interprets them...
Creative Thinking01:25

Creative Thinking

Creative thinking encompasses innovative and unconventional methods for addressing challenges, often leading to groundbreaking solutions. Instead of focusing solely on enhancing existing systems, such as increasing smartphone battery capacity, creative thinking might inspire advancements like energy-efficient batteries or processors that minimize power consumption. This multidimensional approach underscores the importance of exploring novel pathways to innovation.
Divergent thinking is the...

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Related Experiment Video

Updated: Jul 2, 2026

Perceptual and Category Processing of the Uncanny Valley Hypothesis' Dimension of Human Likeness: Some Methodological Issues
07:34

Perceptual and Category Processing of the Uncanny Valley Hypothesis' Dimension of Human Likeness: Some Methodological Issues

Published on: June 3, 2013

Kathee M. Christensen: "Thinking Beyond the Ears".

Jean F Andrews, Lilly Cheng

    American Annals of the Deaf
    |April 18, 2022
    PubMed
    Summary

    Dr. Kathee Mangan Christensen championed deaf education reform and promoted diversity within the Deaf community. Her work fostered inclusion and Deaf/hearing partnerships across the United States, Mexico, and Taiwan.

    Area of Science:

    • Deaf Studies
    • Education Reform
    • Sociolinguistics

    Background:

    • Dr. Kathee Mangan Christensen was a significant figure in deaf education.
    • She was an ally and reformer dedicated to advancing the field.
    • Her influence extended beyond audiological deafness, engaging with the broader Deaf community.

    Purpose of the Study:

    • To memorialize the contributions of Dr. Kathee Mangan Christensen.
    • To highlight her role in promoting diversity, inclusion, and collaborative partnerships in deaf education.
    • To acknowledge her international impact in the United States, Mexico, and Taiwan.

    Main Methods:

    • Biographical analysis of Dr. Christensen's career.
    • Examination of her work as a teacher, teacher educator, and researcher.

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    A Method to Study Adaptation to Left-Right Reversed Audition

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    Last Updated: Jul 2, 2026

    Perceptual and Category Processing of the Uncanny Valley Hypothesis' Dimension of Human Likeness: Some Methodological Issues
    07:34

    Perceptual and Category Processing of the Uncanny Valley Hypothesis' Dimension of Human Likeness: Some Methodological Issues

    Published on: June 3, 2013

    Quantitative Assessment of Cortical Auditory-tactile Processing in Children with Disabilities
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    Quantitative Assessment of Cortical Auditory-tactile Processing in Children with Disabilities

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    A Method to Study Adaptation to Left-Right Reversed Audition

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  • Review of her engagement with the social, political, and linguistic aspects of the Deaf community.

    • Main Results:

    • Dr. Christensen actively participated in and influenced the Deaf community.
    • She was instrumental in promoting diversity and inclusion in educational settings.
    • Her efforts fostered significant Deaf/hearing collaborative partnerships internationally.

    Conclusions:

    • Dr. Christensen's legacy is one of dedicated reform and advocacy in deaf education.
    • Her work underscored the importance of social, political, and linguistic engagement within the Deaf community.
    • She exemplified successful international collaboration in promoting educational equity and inclusion for the Deaf.