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Related Concept Videos

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...
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...
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...
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.
Perception01:28

Perception

Perception is a fundamental psychological process that enables individuals to organize, interpret, and consciously experience sensory information. This process is crucial for understanding and interacting with the world around us. It includes both bottom-up and top-down processing, each playing a distinct role in how we perceive our environment.
Bottom-up processing begins at the sensory level, where receptors detect external environmental stimuli. These could include the tactile sensation of...
Factors Affecting Perception01:25

Factors Affecting Perception

Perception is influenced by perceptual set, context, motivation, and emotion. Perceptual set, or perceptual expectancy, refers to the tendency to perceive things in a particular way, influenced by previous experiences and expectations. This phenomenon affects the interpretation of stimuli, creating a set of mental tendencies and assumptions that impact sensory perceptions of sound, taste, touch, and sight.
An illustrative example of a perceptual set is the scenario where an airline pilot told...

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Related Experiment Video

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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

Pitch perception.

Andrew J Oxenham1

  • 1Department of Psychology, University of Minnesota, Minneapolis, Minnesota 55455, USA. oxenham@umn.edu

The Journal of Neuroscience : the Official Journal of the Society for Neuroscience
|September 28, 2012
PubMed
Summary
This summary is machine-generated.

Understanding pitch perception is key to music and speech. This study explores how acoustic factors and perceptual organization influence pitch, revealing underlying neural mechanisms.

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Area of Science:

  • Auditory Neuroscience
  • Psychoacoustics

Background:

  • Pitch is a fundamental auditory sensation crucial for music, speech, and understanding auditory scenes.
  • Acoustic periodicity (repetition rate) is the primary physical basis for pitch perception.
  • The relationship between physical stimuli and perceived pitch is complex and influenced by various factors.

Purpose of the Study:

  • To investigate the influence of acoustic parameters on pitch judgments.
  • To explore the intricate interactions between perceptual organization and pitch perception.
  • To uncover perceptual phenomena that elucidate the neural mechanisms of pitch.

Main Methods:

  • Analysis of acoustic parameters affecting pitch.
  • Examination of perceptual organization's role in pitch.
  • Observation of perceptual phenomena related to pitch.

Main Results:

  • Acoustic parameters significantly affect pitch judgments.
  • Perceptual organization plays a complex role in pitch perception.
  • Novel perceptual phenomena were identified.

Conclusions:

  • The study highlights the complex interplay of factors in pitch perception.
  • Findings provide insights into the neural basis of auditory processing.
  • Further research into these perceptual phenomena can advance understanding of pitch mechanisms.