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

Echo01:06

Echo

1.2K
The human ear cannot distinguish between two sources of sound if they happen to reach within a specific time interval, typically 0.1 seconds apart. More than this, and they are perceived as separate sources.
Imagine the sound is reflected back to the ears. Assuming that the source is very close to the human, the difference between hearing the two sounds—the emitted sound and the reflected sound—may be more than the minimum time for perceiving distinct sounds. If this is the case,...
1.2K
Testing a Claim about Mean: Unknown Population SD01:21

Testing a Claim about Mean: Unknown Population SD

5.1K
A complete procedure of testing a hypothesis about a population mean when the population standard deviation is unknown is explained here.
Estimating a population mean requires the samples to be approximately normally distributed. The data should be collected from the randomly selected samples having no sampling bias. There is no specific requirement for sample size. But if the sample size is less than 30, and we don't know the population standard deviation, a different approach is used;...
5.1K
Auditory Pathway01:15

Auditory Pathway

7.1K
Auditory pathways constitute the complex neural circuits responsible for transmitting and interpreting auditory information from the peripheral auditory system to the brain. Sound waves are initially captured by the outer ear, funneled through the ear canal, and reach the tympanic membrane (eardrum). These vibrations are transmitted via the middle ear's ossicles to the inner ear's cochlea.
When viewed cross-sectionally, the cochlea reveals the scala vestibuli and scala tympani flanking...
7.1K
Hearing01:31

Hearing

47.9K
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.
47.9K
Sound Intensity Level00:53

Sound Intensity Level

4.0K
Humans perceive sound by hearing. The human ear helps sound waves reach the brain, which then interprets the waves and creates the perception of hearing. The loudness of the environment in which a person is located determines whether they can distinguish between different sound sources.
The human ear can perceive an extensive range of sound intensity, necessitating the use of the logarithmic scale to define a physical quantity—the intensity level. It is a ratio of two intensities and...
4.0K
Sight Distance in a Vertical Curve01:29

Sight Distance in a Vertical Curve

556
Sight distance on vertical curves is critical in roadway design. It ensures drivers can see far enough ahead to identify and respond to hazards effectively. This directly impacts safety, driver comfort, and the overall efficiency of the transportation network.Vertical curves are classified into crest and sag curves based on their geometry. For crest curves, sight distance is determined by the line of sight between a driver's eye and a small object on the road's surface. Design parameters for...
556

You might also read

Related Articles

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

Sort by
Same author

Numerical simulation and design recommendations for prestressed steel stayed columns subjected to static and dynamic effects.

Scientific reports·2025
Same author

Neostigmine-induced weakness after sugammadex - a reply.

Anaesthesia·2019
Same author

Neostigmine-induced weakness: what are the facts?

Anaesthesia·2018
Same author

Sugammadex-induced bradycardia and asystole: how great is the risk?

British journal of anaesthesia·2018
Same author

Conceptual and technical insights into the basis of neuromuscular monitoring.

Anaesthesia·2017
Same author

The effect of hydrazine intercalation on the structure and capacitance of 2D titanium carbide (MXene).

Nanoscale·2016

Related Experiment Video

Updated: Apr 28, 2026

A Lightweight, Headphones-based System for Manipulating Auditory Feedback in Songbirds
10:13

A Lightweight, Headphones-based System for Manipulating Auditory Feedback in Songbirds

Published on: November 26, 2012

18.1K

Auditory distance estimation in song birds: Implications, methodologies and perspectives.

M Naguib1

  • 1Department of Biology, University of North Carolina, Chapel Hill, NC 27599, USA.

Behavioural Processes
|June 5, 2014
PubMed
Summary

Male songbirds can estimate the distance of other birds by analyzing how their songs degrade during travel. This "ranging" ability helps defend territories efficiently by distinguishing intruders from distant conspecifics.

More Related Videos

Evaluation of Auditory Brainstem Response in Chicken Hatchlings
09:32

Evaluation of Auditory Brainstem Response in Chicken Hatchlings

Published on: April 1, 2022

4.4K
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

18.0K

Related Experiment Videos

Last Updated: Apr 28, 2026

A Lightweight, Headphones-based System for Manipulating Auditory Feedback in Songbirds
10:13

A Lightweight, Headphones-based System for Manipulating Auditory Feedback in Songbirds

Published on: November 26, 2012

18.1K
Evaluation of Auditory Brainstem Response in Chicken Hatchlings
09:32

Evaluation of Auditory Brainstem Response in Chicken Hatchlings

Published on: April 1, 2022

4.4K
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

18.0K

Area of Science:

  • Animal Behavior
  • Bioacoustics
  • Ecology

Background:

  • Acoustic signals, like bird song, degrade with distance during atmospheric propagation.
  • This degradation provides crucial information about signaler distance, vital for territorial defense and spacing.
  • Male territorial songbirds possess the ability to assess conspecific singer distance, termed 'ranging'.

Purpose of the Study:

  • To investigate the phenomenon of 'ranging' in male territorial songbirds.
  • To understand how acoustic signal degradation influences distance perception.
  • To identify factors affecting the accuracy of ranging experiments.

Main Methods:

  • Field playback experiments were conducted, specifically designing them to impede close-range experience with loudspeakers.
  • Playback of acoustically degraded songs was used to elicit responses from subjects.
  • Observed subject behavior, particularly flights in response to song playback, was analyzed.

Main Results:

  • Playback experiments impeding close-range experience provided clear evidence for ranging.
  • Subjects exhibited flights beyond the loudspeaker in response to degraded songs, indicating over-estimation of distance.
  • This behavioral response offers unambiguous evidence for ranging, reducing interpretive issues.

Conclusions:

  • Ranging ability in songbirds is supported by evidence from field playback experiments.
  • Acoustic signal degradation is a key factor enabling distance estimation.
  • Future ranging experiments should consider signal degradation types and song features, alongside appropriate playback design.