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

Auditory intensity discrimination in the chinchilla.

S S Saunders1, B G Shivapuja, R J Salvi

  • 1Callier Center for Communication Disorders, University of Texas at Dallas 75235.

The Journal of the Acoustical Society of America
|November 1, 1987
PubMed
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

Single auditory nerve fiber and action potential latencies in normal and noise-treated chinchillas.

Hearing research·2026
Same author

[Inner hair cells loss by carboplatin and the changes of cochlear compound action potential in chinchillas].

Zhonghua er bi yan hou tou jing wai ke za zhi = Chinese journal of otorhinolaryngology head and neck surgery·2020
Same author

4000 Hz Noise Damage.

American journal of audiology·2015
Same author

Effects of acoustic trauma on the auditory system of the rat: The role of microglia.

Neuroscience·2015
Same author

Dissociation of doublecortin expression and neurogenesis in unipolar brush cells in the vestibulocerebellum and dorsal cochlear nucleus of the adult rat.

Neuroscience·2014
Same author

Up-regulation of GAP-43 in the chinchilla ventral cochlear nucleus after carboplatin-induced hearing loss: correlations with inner hair cell loss and outer hair cell loss.

Hearing research·2013

Chinchillas

Area of Science:

  • Auditory perception and psychophysics

Background:

  • Auditory intensity discrimination is crucial for understanding sound processing.
  • Comparative studies across species reveal variations in auditory capabilities.

Purpose of the Study:

  • To measure the intensity difference limen (IDL) in chinchillas across various frequencies and sensation levels.
  • To compare chinchilla auditory performance with other mammals and birds.

Main Methods:

  • A positive reinforcement conditioning procedure trained chinchillas to detect tone burst intensity differences.
  • IDLs were measured at 0.5, 1, 4, and 8 kHz at sensation levels from 10 to 55 dB.

Main Results:

  • Chinchilla IDLs decreased as sensation level increased, from ~8 dB near threshold to ~3.5 dB at 55 dB.

Related Experiment Videos

  • Chinchilla IDLs were larger than those of humans and most other mammals studied.
  • Chinchilla performance was comparable to that of parakeets and related to amplitude modulation discrimination.

    • Conclusions:

    • Chinchilla auditory intensity discrimination abilities are less acute than many mammals but show frequency-dependent patterns.
    • The findings contribute to understanding the evolution and diversity of auditory systems.
    • Results suggest a link between intensity discrimination and amplitude modulation processing in some species.