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

You might also read

Related Articles

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

Sort by
Same author

A comparative study of peripherally-inserted and Broviac catheter complications in home parenteral nutrition patients.

Clinical nutrition (Edinburgh, Scotland)·2014
Same author

Interactions of odorants with olfactory receptors and receptor neurons match the perceptual dynamics observed for woody and fruity odorant mixtures.

The European journal of neuroscience·2012
Same author

Changes in rat olfactory detection performance induced by orexin and leptin mimicking fasting and satiation.

Behavioural brain research·2007
Same author

Fasting increases and satiation decreases olfactory detection for a neutral odor in rats.

Behavioural brain research·2007
Same author

5-Hydroxytryptamine action in the rat olfactory bulb: in vitro electrophysiological patch-clamp recordings of juxtaglomerular and mitral cells.

Neuroscience·2005
Same author

Taurine action on mitral cell activity in the frog olfactory bulb in vivo.

Chemical senses·2004

Related Experiment Video

Updated: Feb 10, 2026

Controlled Odor Mimic Permeation Systems for Olfactory Training and Field Testing
05:54

Controlled Odor Mimic Permeation Systems for Olfactory Training and Field Testing

Published on: January 28, 2021

5.1K

Odor processing in the frog olfactory system

P Duchamp-Viret1, A Duchamp

  • 1Laboratoire de Neurosciences et Systèmes sensoriels, Unité CNRS, Villeurbanne, France. duchamp@olfac.univ-lyonl.fr

Progress in Neurobiology
|January 9, 1998
PubMed
Summary
This summary is machine-generated.

Frog olfactory pathways process odors using distinct neural mechanisms. Mitral cells in the olfactory bulb enhance odor discrimination, while the cortex separates intensity and quality processing into specialized neuron groups.

More Related Videos

Olfactory Context Dependent Memory: Direct Presentation of Odorants
04:47

Olfactory Context Dependent Memory: Direct Presentation of Odorants

Published on: September 18, 2018

7.1K
Odorant-induced Responses Recorded from Olfactory Receptor Neurons using the Suction Pipette Technique
08:08

Odorant-induced Responses Recorded from Olfactory Receptor Neurons using the Suction Pipette Technique

Published on: April 5, 2012

11.2K

Related Experiment Videos

Last Updated: Feb 10, 2026

Controlled Odor Mimic Permeation Systems for Olfactory Training and Field Testing
05:54

Controlled Odor Mimic Permeation Systems for Olfactory Training and Field Testing

Published on: January 28, 2021

5.1K
Olfactory Context Dependent Memory: Direct Presentation of Odorants
04:47

Olfactory Context Dependent Memory: Direct Presentation of Odorants

Published on: September 18, 2018

7.1K
Odorant-induced Responses Recorded from Olfactory Receptor Neurons using the Suction Pipette Technique
08:08

Odorant-induced Responses Recorded from Olfactory Receptor Neurons using the Suction Pipette Technique

Published on: April 5, 2012

11.2K

Area of Science:

  • Neuroscience
  • Olfactory System Research
  • Sensory Processing

Background:

  • Electrophysiological recordings in frogs reveal insights into odor processing.
  • Olfactory pathways involve neuroreceptor cells, mitral cells, and cortical neurons.

Purpose of the Study:

  • To investigate how odor stimuli are processed along the frog's olfactory pathways.
  • To understand the roles of mitral cells and cortical neurons in odor discrimination and intensity coding.

Main Methods:

  • Unitary electrophysiological recordings from frog olfactory pathways.
  • Analysis of neuronal responses to odor stimuli at different pathway levels.

Main Results:

  • Mitral cells in the olfactory bulb enhance odor discrimination and detection.
  • GABAergic interneurons modulate mitral cell activity; dopamine acts via D2 receptors.
  • Frog olfactory cortex neurons segregate into two groups: one for intensity coding, another for discrimination.

Conclusions:

  • Odor processing in frogs involves specialization along the olfactory pathway.
  • The olfactory bulb enhances discrimination, while the cortex separates intensity and quality information into distinct neuronal populations.