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

Receptive field organization determines pyramidal cell stimulus-encoding capability and spatial stimulus selectivity.

Joseph Bastian1, Maurice J Chacron, Leonard Maler

  • 1Department of Zoology, University of Oklahoma, Norman, Oklahoma 73019, USA. jbastian@ou.edu.

The Journal of Neuroscience : the Official Journal of the Society for Neuroscience
|June 1, 2002
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

Extrinsic inputs underscore heterogeneities of ELL pyramidal cell neural activity in awake, behaving weakly electric fish.

The Journal of general physiology·2026
Same author

Neural heterogeneity enables adaptive encoding of time sequences.

Communications physics·2026
Same author

In vivo neural activity of electrosensory pyramidal cells: Biophysical characterization and phenomenological modeling.

PLoS computational biology·2025
Same author

Burst firing optimizes invariant coding of natural communication signals by electrosensory neural populations.

iScience·2025
Same author

Electrosensory midbrain neurons optimally decode ascending input during object localization.

The Journal of physiology·2025
Same author

Nonresponsive Neurons Improve Population Coding of Object Location.

The Journal of neuroscience : the official journal of the Society for Neuroscience·2024

Sensory neuron receptive field organization impacts encoding of spatial stimuli. Large surrounds impair encoding, while small surrounds maintain coding efficiency for electric fish sensory systems.

Area of Science:

  • Neuroscience
  • Sensory Systems Biology
  • Computational Neuroscience

Background:

  • Sensory systems process information across diverse spatial scales.
  • Receptive field (RF) organization is crucial for encoding spatial characteristics.
  • Weakly electric fish offer a tractable model for sensory processing studies.

Purpose of the Study:

  • To investigate the relationship between sensory neuron receptive field organization and the encoding of time-varying stimuli.
  • To assess how different spatial stimulus patterns affect neural encoding.
  • To understand the functional consequences of center-surround organization in electrosensory neurons.

Main Methods:

  • Linear stimulus estimation techniques.
  • Measures of information transfer, including mutual information.

Related Experiment Videos

  • Analysis of neural responses to spatial stimuli targeting center or center-surround RF components.
  • Utilizing the electrosensory system of weakly electric fish.

    • Main Results:

    • Antagonistic center-surround receptive fields are characteristic of electrosensory neurons.
    • Large receptive field surrounds, when activated with the center, degrade the ability to encode time-varying stimuli.
    • This degradation is likely due to cancellation of balanced excitatory and inhibitory inputs.
    • Neurons with small surrounds relative to their centers maintain coding efficiency across different spatial stimulus regimes.

    Conclusions:

    • Receptive field spatial organization significantly influences sensory encoding capabilities.
    • Center-surround interactions play a critical role in determining coding efficiency.
    • Optimized receptive field structures, like small surrounds, are essential for robust sensory information processing in dynamic environments.