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

Relationship between afferent and central temporal patterns in the locust olfactory system

M Wehr1, G Laurent

  • 1California Institute of Technology, Biology Division, Computation and Neural Systems Program, Pasadena, California 91125, USA.

The Journal of Neuroscience : the Official Journal of the Society for Neuroscience
|December 31, 1998
PubMed
Summary

Olfactory processing in locusts involves synchronized neural oscillations. This study reveals that temporal patterns in the antennal lobe, not primary afferents, generate these locust olfactory dynamics.

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

Current knowledge and practice of Candida auris screening in France: A nationwide survey from the French Society of Medical Mycology (SFMM).

Journal de mycologie medicale·2024
Same author

Factors associated with patent foramen ovale-related stroke: SAFAS study.

Revue neurologique·2023
Same author

Consistency of species ranking based on functional leaf traits.

The New phytologist·2022
Same author

Pigmentation effects of blue light irradiation on skin and how to protect against them.

International journal of cosmetic science·2020
Same author

Joint Position Paper of the Working Group of Pacing and Electrophysiology of the French Society of Cardiology (SFC) and the Société française d'imagerie cardiaque et vasculaire diagnostique et interventionnelle (SFICV) on magnetic resonance imaging in patients with cardiac electronic implantable devices.

Diagnostic and interventional imaging·2020
Same author

AMAFRICA, a patient-navigator program for accompanying lymphoma patients during chemotherapy in Ivory Coast: a prospective randomized study.

BMC cancer·2019

Area of Science:

  • Neuroscience
  • Olfactory System
  • Insect Behavior

Background:

  • Locust olfactory pathways generate synchronized oscillations and temporal patterns.
  • The role of primary afferents in generating these neural dynamics is unclear.

Purpose of the Study:

  • To investigate the contribution of primary afferents to olfactory-evoked neural dynamics in locusts.
  • To determine the origin of temporal patterning in the locust antennal lobe and mushroom body.

Main Methods:

  • Recorded odor-evoked afferent activity in antennae and antennal nerves.
  • Electrically stimulated primary afferents in vivo and recorded projection neuron and mushroom body activity.
  • Used picrotoxin to investigate the role of inhibitory circuits in oscillation generation.

Related Experiment Videos

Main Results:

  • Odor-evoked afferent activity lacked oscillatory or odor-specific temporal patterns.
  • Electrical stimulation of afferents evoked synchronized 20-30 Hz oscillations in projection neurons and mushroom body LFP.
  • Oscillations were dependent on antennal lobe inhibitory circuits and could be generated without temporal afferent input.

Conclusions:

  • Oscillatory synchronization in the locust olfactory system originates in the antennal lobe.
  • Slow temporal patterns in projection neurons can be generated independently of temporal patterning in afferent input.