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 Experiment Videos

Bi-coordinate sound localization by the barn owl.

A Moiseff1

  • 1Department of Physiology and Neurobiology, University of Connecticut, Storrs 06269-3042.

Journal of Comparative Physiology. A, Sensory, Neural, and Behavioral Physiology
|February 1, 1989
PubMed
Summary

Owls use binaural time and intensity differences to locate sounds in space. Interaural time differences primarily guide horizontal (azimuth) localization, while interaural intensity differences guide vertical (elevation) localization.

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

Cochlear nucleus neurons redistribute synaptic AMPA and glycine receptors in response to monaural conductive hearing loss.

Neuroscience·2009
Same author

The effect of flash duration and flash shape on entrainment in Pteroptyx malaccae, a synchronic Southeast Asian firefly.

Journal of insect physiology·2003
Same author

Development of a high-throughput process for detection and screening of genetic polymorphisms.

BioTechniques·2000
Same author

Feather folliculoma in a captive-bred barn owl (Tyto alba).

Avian diseases·1999
Same author

An artificial neural network for sound localization using binaural cues.

The Journal of the Acoustical Society of America·1996
Same author

Response of auditory units in the barn owl's inferior colliculus to continuously varying interaural phase differences.

Journal of neurophysiology·1992

Area of Science:

  • Auditory Neuroscience
  • Animal Behavior
  • Bioacoustics

Background:

  • Sound localization is crucial for survival in many species.
  • Owls possess sophisticated auditory systems for precise sound detection.

Purpose of the Study:

  • To investigate how owls utilize auditory cues for sound localization.
  • To determine the roles of interaural time difference (ITD) and interaural intensity difference (IID) in owl head-orienting behavior.

Main Methods:

  • Owls were presented with binaurally time-shifted and intensity-unbalanced noise through earphones.
  • Head-orienting responses to these controlled auditory stimuli were recorded and analyzed.

Main Results:

  • Owls exhibited head-orienting behaviors analogous to free-field sound localization.
  • Both ITD and IID contributed to the determination of sound coordinates (azimuth and elevation).
  • ITD was a primary cue for azimuth, while IID was a primary cue for elevation.

Conclusions:

  • Owls integrate ITD and IID to form a non-orthogonal coordinate system for sound localization.
  • This study elucidates the distinct roles of ITD and IID in owl auditory spatial perception.

Related Experiment Videos