Search research articles

ABOUT JoVE

Overview Leadership Blog JoVE Help Center

AUTHORS

Publishing Process Editorial Board Scope & Policies Peer Review FAQ Submit

LIBRARIANS

Testimonials Subscriptions Access Resources Library Advisory Board FAQ

RESEARCH

JoVE Journal Methods Collections JoVE Encyclopedia of Experiments Archive

EDUCATION

JoVE Core JoVE Business JoVE Science Education JoVE Lab Manual Faculty Resource Center Faculty Site

Terms & Conditions of Use

Search research articles

Related Experiment Videos

Time shift evoked potentials (TSEPs): method and basic results

R Halliday, E Callaway

Electroencephalography and Clinical Neurophysiology

|July 1, 1978

Summary

This summary is machine-generated.

Related Concept Videos

You might also read

Related Articles

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

Sort by

Same author

Characteristics of Extremely Preterm Infants Undergoing Procedural Closure of Patent Ductus Arteriosus: A Retrospective Cohort Study.

International journal of pediatrics·2025

Same author

Observation of Seven Astrophysical Tau Neutrino Candidates with IceCube.

Physical review letters·2024

Same author

Observation of high-energy neutrinos from the Galactic plane.

Science (New York, N.Y.)·2023

Same author

Evidence for neutrino emission from the nearby active galaxy NGC 1068.

Science (New York, N.Y.)·2022

Same author

Search for Unstable Sterile Neutrinos with the IceCube Neutrino Observatory.

Physical review letters·2022

Same author

Strong Constraints on Neutrino Nonstandard Interactions from TeV-Scale ν_{μ} Disappearance at IceCube.

Physical review letters·2022

Same journal

Coming to terms with brain waves.

Electroencephalography and clinical neurophysiology·2014

Same journal

Habituation of lower leg stretch responses in Parkinson's disease.

Electroencephalography and clinical neurophysiology·2000

Same journal

Asymmetry of cortical excitability revealed by transcranial stimulation in a patient with focal motor epilepsy and cortical myoclonus.

Electroencephalography and clinical neurophysiology·2000

Same journal

Evoked isometric muscle contractions in myopathies: analysis of pathophysiological properties by different stimulus patterns.

Electroencephalography and clinical neurophysiology·2000

Same journal

Task-related coherence and task-related spectral power changes during sequential finger movements.

Electroencephalography and clinical neurophysiology·2000

Same journal

Electrophysiological studies in mild idiopathic carpal tunnel syndrome.

Electroencephalography and clinical neurophysiology·2000

See all related articles

Researchers developed a method to measure brain responses to moving sounds using digital delays. This technique revealed a unique brain signal, the time-shifted evoked potential (TSEP), when sounds appeared to move binaurally.

Area of Science:

Auditory Neuroscience
Neurophysiology
Signal Processing

Background:

Understanding how the brain processes spatial auditory information is crucial for fields like audiology and virtual reality.
Evoked potentials offer a way to measure neural responses to specific stimuli, but techniques for dynamic spatial sounds are limited.

Purpose of the Study:

To describe a novel, simple method for generating averaged evoked potentials to auditory signals with apparent spatial movement.
To investigate the characteristics of brain responses to digitally manipulated auditory spatial cues.

Main Methods:

Utilized a minicomputer to digitally delay white noise output, creating perceived shifts in auditory signal location.
Reconverted digital signals to analog and presented binaurally through headphones.

Related Experiment Videos

Recorded averaged evoked potentials, comparing binaural presentation with monaural control conditions.

Main Results:

A distinct 'time-shifted evoked potential' (TSEP) was observed specifically during binaural presentation of apparent sound shifts.
This TSEP was absent during monaural control conditions, indicating its link to binaural spatial processing.
TSEP amplitudes showed maximal response near the vertex and varied based on the specific auditory presentation format.

Conclusions:

The described technique effectively generates and measures brain responses to auditory apparent motion.
The time-shifted evoked potential (TSEP) represents a measurable neural correlate of auditory spatial perception.
Findings suggest TSEP amplitude is sensitive to stimulus presentation parameters and location within the auditory cortex.