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

Difference from Background: Limit of Detection01:05

Difference from Background: Limit of Detection

8.3K
The limit of detection (LOD) is the smallest amount of analyte that can be distinguished from the background noise. The LOD value corresponds to the concentration at which the analyte signal is three times larger than the standard deviation of the blank signal. Below this value, the analyte signal cannot be differentiated from the background noise. It is calculated by dividing the calibration slope by 3 times the standard deviation of the blank signals.
The LOD indicates the presence or absence...
8.3K
Electric Potential and Potential Difference01:16

Electric Potential and Potential Difference

5.7K
Suppose a positive test charge moves away from a positive static charge, then the Coulomb force does positive work, and its electric potential energy decreases. The potential energy per unit charge is defined as the electric potential. The electric potential is independent of the test charge.
When a test charge moves from the initial to the final position, the electric potential difference between those positions is defined as the ratio of the change in the potential energy to the charge on the...
5.7K
Identifying Statistically Significant Differences: The F-Test01:14

Identifying Statistically Significant Differences: The F-Test

3.7K
The F-test is used to compare two sample variances to each other or compare the sample variance to the population variance. It is used to decide whether an indeterminate error can explain the difference in their values. The underlying assumptions that allow the use of the F-test include the data set or sets are normally distributed, and the data sets are independent of each other. The test statistic F is calculated by dividing one variance by another. In other words, the square of one standard...
3.7K
Sum and Difference OpAmps01:22

Sum and Difference OpAmps

1.4K
Operational amplifiers (op-amps) are versatile devices that extend beyond amplification. In this context, two specific op-amp configurations are explored: the summing and difference amplifiers.
A summing amplifier, or an adder, utilizes an op-amp to merge multiple input signals into a single output signal. When audio signals are introduced into its input channels, the input resistors initiate currents that traverse feedback resistors, resulting in an output voltage. Applying Kirchhoff's current...
1.4K
Difference Equation Solution using z-Transform01:24

Difference Equation Solution using z-Transform

635
The z-transform is a powerful tool for analyzing practical discrete-time systems, often represented by linear difference equations. Solving a higher-order difference equation requires knowledge of the input signal and the initial conditions up to one term less than the order of the equation.
The z-transform facilitates handling delayed signals by shifting the signal in the z-domain, which corresponds to delaying the signal in the time domain, and advancing signals by similarly shifting in the...
635
Subliminal Perception01:15

Subliminal Perception

779
Subliminal perception refers to the processing of sensory information that occurs below the level of conscious awareness. Researchers study subliminal perception by presenting a stimulus, such as a word or image, very quickly, typically around 50 milliseconds. This rapid presentation is often followed by another stimulus, such as a pattern of dots or lines, which blocks further mental processing of the initial stimulus. As a result, if participants cannot identify the initial stimulus better...
779

You might also read

Related Articles

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

Sort by
Same author

Music-selective cortex is sensitive to structure in both pitch and time.

Cerebral cortex (New York, N.Y. : 1991)·2026
Same author

Hierarchical recurrent temporal prediction as a model of the mammalian dorsal visual pathway.

PLoS computational biology·2026
Same author

Exploring Amazonian Cognitive Diversity at Chana Research Station.

Topics in cognitive science·2026
Same author

Rethinking hierarchy: the auditory system as an integrated cortical-subcortical network.

Nature reviews. Neuroscience·2026
Same author

Pitch at the Cocktail Party: A Comparative Approach to Studying Selective Attention.

Biology·2026
Same author

From sound to source: Human and model recognition of environmental sounds.

bioRxiv : the preprint server for biology·2026

Related Experiment Video

Updated: Jan 27, 2026

Genetic Mapping of Thermotolerance Differences Between Species of Saccharomyces Yeast via Genome-Wide Reciprocal Hemizygosity Analysis
10:08

Genetic Mapping of Thermotolerance Differences Between Species of Saccharomyces Yeast via Genome-Wide Reciprocal Hemizygosity Analysis

Published on: August 12, 2019

17.6K

Across-species differences in pitch perception are consistent with differences in cochlear filtering.

Kerry Mm Walker1, Ray Gonzalez2, Joe Z Kang1

  • 1Department of Physiology, Anatomy & Genetics, University of Oxford, Oxford, United Kingdom.

Elife
|March 16, 2019
PubMed
Summary

Species-specific differences in pitch perception arise from variations in auditory systems. Ferrets rely on temporal envelope cues, while humans prioritize resolved harmonics, reflecting cochlear tuning differences.

Keywords:
cochleaferrethearinghumanneurosciencepitchpsychophysicsresolved harmonics

More Related Videos

Assessing Differences in Sperm Competitive Ability in Drosophila
09:34

Assessing Differences in Sperm Competitive Ability in Drosophila

Published on: August 22, 2013

15.0K
Sex Differences in Mouse Hippocampal Astrocytes after In-Vitro Ischemia
08:32

Sex Differences in Mouse Hippocampal Astrocytes after In-Vitro Ischemia

Published on: October 25, 2016

13.9K

Related Experiment Videos

Last Updated: Jan 27, 2026

Genetic Mapping of Thermotolerance Differences Between Species of Saccharomyces Yeast via Genome-Wide Reciprocal Hemizygosity Analysis
10:08

Genetic Mapping of Thermotolerance Differences Between Species of Saccharomyces Yeast via Genome-Wide Reciprocal Hemizygosity Analysis

Published on: August 12, 2019

17.6K
Assessing Differences in Sperm Competitive Ability in Drosophila
09:34

Assessing Differences in Sperm Competitive Ability in Drosophila

Published on: August 22, 2013

15.0K
Sex Differences in Mouse Hippocampal Astrocytes after In-Vitro Ischemia
08:32

Sex Differences in Mouse Hippocampal Astrocytes after In-Vitro Ischemia

Published on: October 25, 2016

13.9K

Area of Science:

  • Neuroscience
  • Auditory Perception
  • Comparative Biology

Background:

  • Pitch perception is vital for understanding speech, music, and animal sounds.
  • The neurobiological basis of pitch perception varies across species, leading to research questions about underlying mechanisms.
  • Understanding these variations is key to a comprehensive theory of auditory processing.

Purpose of the Study:

  • To investigate species-specific differences in pitch perception cues between ferrets and humans.
  • To determine if variations in the auditory periphery, specifically cochlear filter bandwidths, explain these perceptual differences.
  • To explore the role of temporal envelope versus resolved harmonics in pitch discrimination across species.

Main Methods:

  • Behavioral experiments presenting pitch discrimination tasks to ferrets and human listeners.
  • Analysis of stimulus properties, focusing on the salience of temporal envelope and resolved harmonic cues.
  • Computational modeling of cochlear responses to simulate species-specific auditory processing.

Main Results:

  • Ferrets generalized pitch discriminations when temporal envelope cues were robust, but not with resolved harmonics.
  • Human listeners showed the opposite pattern, prioritizing resolved harmonics over temporal envelope cues.
  • Simulated cochlear responses indicated that differences in cochlear filter bandwidths explain the varying cue salience.

Conclusions:

  • Cross-species variations in pitch perception are linked to species-specific auditory periphery characteristics.
  • Cochlear filter bandwidths influence the relative importance of temporal envelope and resolved harmonics for pitch estimation.
  • This research provides insight into the evolutionary constraints shaping auditory systems for fundamental frequency estimation.