Search research articles

Search research articles

Related Experiment Videos

The relationship between frequency selectivity and overshoot.

E A Strickland¹

¹Department of Audiology and Speech Sciences, Purdue University, West Lafayette, Indiana 47907, USA. estrick@purdue.edu

The Journal of the Acoustical Society of America

|June 2, 2001

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

An analysis of quasi-frequency-modulated noise and random-sideband noise as comparisons for amplitude-modulated noise.

The Journal of the Acoustical Society of America·2000

Same author

The effects of frequency region and level on the temporal modulation transfer function.

The Journal of the Acoustical Society of America·2000

Same author

The effects of frequency region and bandwidth on the temporal modulation transfer function.

The Journal of the Acoustical Society of America·1997

Same author

Cues for discrimination of envelopes.

The Journal of the Acoustical Society of America·1996

Same author

Is useful speech information carried by fibers with high characteristic frequencies?

The Journal of the Acoustical Society of America·1994

Same author

Within- versus cross-channel mechanisms in detection of envelope phase disparity.

The Journal of the Acoustical Society of America·1989

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

Auditory overshoot, a phenomenon where hearing thresholds are higher with simultaneous masker onset, suggests active auditory processing. This study found reduced frequency selectivity when a masker precursor was present, indicating decreased activity.

Area of Science:

Auditory Neuroscience
Psychoacoustics
Signal Processing

Background:

Auditory overshoot occurs when the hearing threshold for a brief tone is elevated at the onset of a masker compared to a delayed onset.
This phenomenon is hypothesized to be linked to the active processes within the auditory system, which enhance sensitivity to sound.
Understanding overshoot is crucial for comprehending the dynamic nature of auditory perception and neural adaptation.

Purpose of the Study:

To investigate the relationship between auditory overshoot and frequency selectivity.
To determine how the presence or absence of a masker precursor affects active auditory processing.
To compare the effects of masker precursors on auditory processing at different frequencies (1 kHz vs. 4 kHz).

Main Methods:

Related Experiment Videos

Measuring the growth of masking with masker level for signals with and without a masker precursor.
Assessing frequency selectivity using a fixed-level signal under conditions with and without a masker precursor.
Comparing results for a 1-kHz signal and a 4-kHz signal.

Main Results:

Masking growth was largely linear, except for a 4-kHz signal without a precursor, which showed elevated signal-to-masker ratio at mid-masker levels.
Relative frequency selectivity was highest for the 4-kHz signal without a precursor.
Frequency selectivity was reduced in all conditions where a masker precursor was present.

Conclusions:

The findings support the hypothesis that overshoot is related to active auditory processing.
Results suggest stronger active processing at 4 kHz compared to 1 kHz.
A broadband noise precursor appears to decrease active auditory processing, impacting both overshoot and frequency selectivity.