Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Concept Videos

Perception of Sound Waves01:01

Perception of Sound Waves

6.0K
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...
6.0K
The Cochlea01:13

The Cochlea

52.5K
The cochlea is a coiled structure in the inner ear that contains hair cells—the sensory receptors of the auditory system. Sound waves are transmitted to the cochlea by small bones attached to the eardrum called the ossicles, which vibrate the oval window that leads to the inner ear. This causes fluid in the chambers of the cochlea to move, vibrating the basilar membrane.
52.5K
Graphical and Analytic Representation of Sinusoids01:20

Graphical and Analytic Representation of Sinusoids

1.1K
Analyzing two sinusoidal voltages with equal amplitude and period but different phases on an oscilloscope, an instrument used to display and analyze waveforms, involves a three-step process.
The first step is measuring the peak-to-peak value, which is twice the amplitude of the sinusoid. This provides information about the maximum voltage swing of the waveform.
Secondly, the period and angular frequency are determined. The period is the time taken for one complete cycle of the waveform, while...
1.1K
IR Spectrum Peak Splitting: Symmetric vs Asymmetric Vibrations01:08

IR Spectrum Peak Splitting: Symmetric vs Asymmetric Vibrations

2.2K
Identical bonds within a polyatomic group can stretch symmetrically (in-phase) or asymmetrically (out-of-phase). Similar to hydrogen bonding, these vibrations also influence the shape of the IR peak. Generally, asymmetric stretching frequencies are higher than symmetric stretching frequencies. For example, primary amines exhibit two distinct IR peaks between 3300–3500 cm−1 corresponding to the symmetric and asymmetric N-H stretching, while secondary amines exhibit a single...
2.2K
Auditory Perception01:17

Auditory Perception

1.5K
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...
1.5K
Interference: Path Lengths01:10

Interference: Path Lengths

2.4K
Consider two sources of sound, that may or may not be in phase, emitting waves at a single frequency, and consider the frequencies to be the same.
Two special sources may be considered when they are in phase. This can be easily achieved by feeding the two sources from the same source. An example would be synchronizing the two speakers by feeding them with the same source, such as the sound waves produced by a tuning fork. This setup ensures that the two sources have the same frequency and are...
2.4K

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Stimulation priming and psychological state shape functional connectivity following prefrontal theta-burst stimulation.

Imaging neuroscience (Cambridge, Mass.)·2026
Same author

Altered EEG microstate dynamics as a neurophysiological biomarker for diagnostic differentiation in Schizophrenia.

Psychiatry research. Neuroimaging·2026
Same author

Causal interhemispheric neuromodulation sharpens synaptic and neurobehavioral inhibition in stroke.

Brain communications·2026
Same author

Task-based fNIRS biomarkers of HD-tDCS treatment for negative symptoms in schizophrenia.

Schizophrenia research·2026
Same author

Improving the Transcranial Magnetic Stimulation Experience: How Transcranial Magnetic Stimulation Parameters and Coil Design Affect Somatosensory Sensations.

Neuromodulation : journal of the International Neuromodulation Society·2026
Same author

Linguistic structure and language familiarity sharpen phoneme encoding in the brain.

Communications biology·2026
See all related articles

Related Experiment Video

Updated: Mar 28, 2026

Eliciting and Analyzing Male Mouse Ultrasonic Vocalization USV Songs
08:44

Eliciting and Analyzing Male Mouse Ultrasonic Vocalization USV Songs

Published on: May 9, 2017

16.7K

Oscillatory phase shapes syllable perception.

Sanne ten Oever1, Alexander T Sack2

  • 1Department of Cognitive Neuroscience, Faculty of Psychology and Neuroscience, Maastricht University, 6229 EV Maastricht, The Netherlands sanne.tenoever@maastrichtuniversity.nl.

Proceedings of the National Academy of Sciences of the United States of America
|December 16, 2015
PubMed
Summary
This summary is machine-generated.

Brain wave oscillatory phase influences how we perceive ambiguous speech sounds like /da/ or /ga/. This phase bias correlates with natural speech timing differences, suggesting learning plays a role in auditory perception.

Keywords:
audiovisualoscillationsphasespeechtemporal processing

More Related Videos

Infant Auditory Processing and Event-related Brain Oscillations
06:34

Infant Auditory Processing and Event-related Brain Oscillations

Published on: July 1, 2015

17.1K
Shaping the Amplitude and Phase of Laser Beams by Using a Phase-only Spatial Light Modulator
08:39

Shaping the Amplitude and Phase of Laser Beams by Using a Phase-only Spatial Light Modulator

Published on: January 28, 2019

10.5K

Related Experiment Videos

Last Updated: Mar 28, 2026

Eliciting and Analyzing Male Mouse Ultrasonic Vocalization USV Songs
08:44

Eliciting and Analyzing Male Mouse Ultrasonic Vocalization USV Songs

Published on: May 9, 2017

16.7K
Infant Auditory Processing and Event-related Brain Oscillations
06:34

Infant Auditory Processing and Event-related Brain Oscillations

Published on: July 1, 2015

17.1K
Shaping the Amplitude and Phase of Laser Beams by Using a Phase-only Spatial Light Modulator
08:39

Shaping the Amplitude and Phase of Laser Beams by Using a Phase-only Spatial Light Modulator

Published on: January 28, 2019

10.5K

Area of Science:

  • Neuroscience
  • Auditory Perception
  • Cognitive Science

Background:

  • The significance of brain wave oscillatory phase in perception and cognition is gaining recognition.
  • However, its specific role in categorical perception remains largely unexplored.

Purpose of the Study:

  • To investigate the direct influence of oscillatory phase on categorical perception of speech sounds.
  • To explore the relationship between prestimulus brain wave phase and the identification of ambiguous syllables.

Main Methods:

  • Two experiments were conducted using electroencephalography (EEG) to measure brain wave oscillatory phase.
  • Sensory entrainment to rhythmic stimuli was employed to assess phase effects.
  • Participants identified ambiguous syllables (/da/ or /ga/) under varying phase conditions.

Main Results:

  • Syllable identification was significantly biased by the underlying oscillatory phase.
  • The phase difference correlating with /da/ or /ga/ perception matched natural audiovisual speech onset delays (80 ms difference between /ga/ and /da/).
  • This suggests a functional link between prestimulus phase and speech sound categorization.

Conclusions:

  • Prestimulus oscillatory phase plays a functional role in syllable identification.
  • The observed phase-perception relationship may originate from learning unique audiovisual temporal onset differences in speech.
  • This highlights the brain's adaptation to the temporal dynamics of natural speech for perceptual categorization.