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

Nonconscious Mimicry01:13

Nonconscious Mimicry

4.5K
Nonconscious mimicry occurs when individuals alter their mannerisms to match the behaviors and expressions of those nearby, without intention.
4.5K
Testing a Claim about Mean: Unknown Population SD01:21

Testing a Claim about Mean: Unknown Population SD

3.4K
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;...
3.4K

You might also read

Related Articles

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

Sort by
Same author

Synthesis of 2-Acylpyrroles and 5,6-Dihydro-4<i>H</i>-furo[3,4-<i>c</i>]pyrrol-4-ones via Silver/Base Promoted Intramolecular Hydroalkylation and Oxidation of Propargylamines.

The Journal of organic chemistry·2026
Same author

Long-range spatial extension of exciton states in van der Waals heterostructure.

Nature communications·2026
Same author

Interference dislocations adjacent to emission spot.

Optics letters·2026
Same author

Scalable Manufacturing and Precise Patterning of Perovskites for Light-Emitting Diodes.

Nano-micro letters·2026
Same author

Nanoprinting with Crystal Engineering for Perovskite Lasers.

ACS nano·2025
Same author

The BAHD acyltransferase STBR1 confers both saline-alkali tolerance and blast resistance by stabilizing the non-canonical catalase CATA to promote H<sub>2</sub>O<sub>2</sub> scavenging in rice.

Plant communications·2025

Related Experiment Video

Updated: May 28, 2025

A Laboratory Method to Measure Contagious Yawning in Rats
06:49

A Laboratory Method to Measure Contagious Yawning in Rats

Published on: June 14, 2019

7.0K

Yawning and Its Temperature-Dependent Modulation in Leopard Geckos.

Koki T Kotake1,2, Sho T Yamaguchi1,2, Yasutaka Mukai1,2

  • 1Graduate School of Medicine, Hokkaido University, Sapporo 060-8638, Japan.

Zoological Science
|February 11, 2025
PubMed
Summary

Yawning frequency in leopard geckos increases with ambient temperature, particularly at higher levels. This ectothermic reptile behavior suggests conserved functions of yawning across vertebrates.

Keywords:
ectothermleopard geckoreptilethermoregulationyawning

More Related Videos

An Automated Method to Determine the Performance of Drosophila in Response to Temperature Changes in Space and Time
06:52

An Automated Method to Determine the Performance of Drosophila in Response to Temperature Changes in Space and Time

Published on: October 12, 2018

6.4K
Design and Analysis of Temperature Preference Behavior and its Circadian Rhythm in Drosophila
09:09

Design and Analysis of Temperature Preference Behavior and its Circadian Rhythm in Drosophila

Published on: January 13, 2014

8.0K

Related Experiment Videos

Last Updated: May 28, 2025

A Laboratory Method to Measure Contagious Yawning in Rats
06:49

A Laboratory Method to Measure Contagious Yawning in Rats

Published on: June 14, 2019

7.0K
An Automated Method to Determine the Performance of Drosophila in Response to Temperature Changes in Space and Time
06:52

An Automated Method to Determine the Performance of Drosophila in Response to Temperature Changes in Space and Time

Published on: October 12, 2018

6.4K
Design and Analysis of Temperature Preference Behavior and its Circadian Rhythm in Drosophila
09:09

Design and Analysis of Temperature Preference Behavior and its Circadian Rhythm in Drosophila

Published on: January 13, 2014

8.0K

Area of Science:

  • Comparative physiology
  • Ethology
  • Herpetology

Background:

  • Yawning is a stereotyped behavior observed in vertebrates.
  • Previous studies linked yawning to arousal and thermoregulation, mainly in endothermic animals.
  • The function of yawning in ectothermic animals remains largely unknown.

Purpose of the Study:

  • To investigate the relationship between ambient temperature, spontaneous yawning, and activity levels in ectothermic reptiles.
  • To determine if yawning in ectothermic species serves similar functions as in endothermic species.

Main Methods:

  • Observation of leopard geckos (Eublepharis macularius) over 3 days.
  • Constant ambient temperatures of 25°C, 30°C, and 35°C were maintained.
  • Spontaneous yawning and activity levels were recorded.

Main Results:

  • Yawning frequency in leopard geckos was significantly affected by ambient temperature.
  • Increased post-yawning activity was observed at 30°C and 35°C.
  • A near 24-hour periodicity in yawning was detected across all tested temperatures.

Conclusions:

  • Yawning in ectothermic reptiles is influenced by ambient temperature.
  • Findings suggest conserved primitive functions of yawning across vertebrate species, including ectotherms.
  • Yawning may play a role in arousal or physiological regulation in reptiles as well as mammals.