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

Computation of frequency-to-spatial transform by olfactory bulb glomeruli.

P S Antón1, G Lynch, R Granger

  • 1Center for the Neurobiology of Learning and Memory, University of California, Irvine 92717.

Biological Cybernetics
|January 1, 1991
PubMed
Summary

This study simulated olfactory bulb glomeruli, finding that neural activity transforms input frequency into a spatial code. This mechanism allows for olfactory processing independent of input frequency.

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

Measurements of branching fractions and time-dependent CP-violating asymmetries in B --> eta'K decays.

Physical review letters·2005
Same author

Search for decays of B0-->e+ e-, B0-->mu+ mu-, B0-->e +/- mu-/+.

Physical review letters·2005
Same author

Branching fraction and CP asymmetries of B0-->K0(S)K0(S)K0(S).

Physical review letters·2005
Same author

Search for lepton flavor violation in the decay tau+/- --> mu+ gamma.

Physical review letters·2005
Same author

Search for the rare leptonic decay B--->tau-nutau.

Physical review letters·2005
Same author

Improved Measurement of the Cabibbo-Kobayashi-Maskawa angle alpha using B0(B) --> rho+rho- decays.

Physical review letters·2005

Area of Science:

  • Computational neuroscience
  • Olfactory system modeling

Background:

  • The olfactory bulb processes odor information through complex neural interactions.
  • Understanding glomerulus function is key to deciphering olfactory coding.

Purpose of the Study:

  • To simulate a mammalian olfactory bulb glomerulus using a physiological model.
  • To investigate how neural activity encodes olfactory input frequency.

Main Methods:

  • Constructed a physiological simulation of key olfactory bulb neurons (mitral/tufted, inhibitory, input).
  • Employed the integrate-and-fire paradigm with realistic synaptic dynamics.
  • Incorporated non-linear dendritic integration of excitatory and inhibitory postsynaptic potentials.

Main Results:

Related Experiment Videos

  • Simulated glomerulus exhibited fixed-frequency rhythmic activity due to granule-cell inhibition.
  • Mitral/tufted cell firing frequency remained largely independent of input frequency.
  • The number of active cells scaled linearly with input frequency, demonstrating a frequency-to-spatial code.

Conclusions:

  • Olfactory bulb glomeruli can encode input frequency into a spatial activation pattern.
  • This frequency-to-spatial encoding mechanism is robust against variations in input frequency.
  • The simulation provides insights into the computational principles of olfactory processing.