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

Somatosensation01:33

Somatosensation

The somatosensory system relays sensory information from the skin, mucous membranes, limbs, and joints. Somatosensation is more familiarly known as the sense of touch. A typical somatosensory pathway includes three types of long neurons: primary, secondary, and tertiary. Primary neurons have cell bodies located near the spinal cord in groups of neurons called dorsal root ganglia. The sensory neurons of ganglia innervate designated areas of skin called dermatomes.
The Role of Ion Channels in Neuronal Computation01:19

The Role of Ion Channels in Neuronal Computation

A postsynaptic neuron usually receives numerous impulses from several other presynaptic neurons. The axon hillock of the postsynaptic neuron integrates all these signals and determines the likelihood of firing an action potential.
Sometimes a single EPSP is strong enough to induce an action potential in the postsynaptic neuron. However, multiple presynaptic inputs must often create EPSPs around the same time for the postsynaptic neuron to be sufficiently depolarized to fire an action potential.
Hair Cells01:22

Hair Cells

Hair cells are the sensory receptors of the auditory system—they transduce mechanical sound waves into electrical energy that the nervous system can understand. Hair cells are located in the organ of Corti within the cochlea of the inner ear, between the basilar and tectorial membranes. The actual sensory receptors are called inner hair cells. The outer hair cells serve other functions, such as sound amplification in the cochlea, and are not discussed in detail here.
Introduction to Special Senses01:26

Introduction to Special Senses

Sensory receptors play an integral part in comprehending our external and internal environments. They receive diverse stimuli, converting them into the nervous system's electrochemical signals. This conversion occurs as the stimulus alters the sensory neuron's cell membrane potential, instigating the generation of an action potential. This action potential is subsequently transmitted to the central nervous system (CNS), which integrates with other sensory data or higher cognitive functions.
Sensory Functions of the Skin01:16

Sensory Functions of the Skin

The skin is the largest organ of the human body and plays a crucial role in our sensory perception. It contains a vast network of sensory receptors that contribute to the skin's protective function by perceiving physical, biological, and environmental cues and generating relevant responses.
There are two main categories of receptors on the skin: capsulated and non-capsulated. The non-capsulated ones are mainly the pain receptors. The capsulated ones can be further categorized based on the...
Introduction to Sensory Receptors01:31

Introduction to Sensory Receptors

Sensory receptors are vital in our ability to perceive and interpret the world. Sensory receptors are specialized cells in the peripheral nervous system that respond to various stimuli and enable one to experience different sensations. Based on specific criteria, sensory receptors are classified into distinct types.
The first classification criterion is based on cell type, position, and function. Some receptor cells are neurons with free nerve endings, where their dendrites are embedded in the...

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

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
Same author

Author Correction: Fractional order memcapacitive neuromorphic elements reproduce and predict neuronal function.

Scientific reports·2024

Related Experiment Video

Updated: Jul 7, 2026

Multi-unit Recording Methods to Characterize Neural Activity in the Locust (Schistocerca Americana) Olfactory Circuits
12:13

Multi-unit Recording Methods to Characterize Neural Activity in the Locust (Schistocerca Americana) Olfactory Circuits

Published on: January 25, 2013

Population coding by electrosensory neurons.

Maurice J Chacron1, Joseph Bastian

  • 1Department of Zoology, University of Oklahoma, Norman, Oklahoma, USA.

Journal of Neurophysiology
|February 8, 2008
PubMed
Summary
This summary is machine-generated.

Neural correlated activity in electric fish differs based on stimulus type. Prey stimuli increase correlated activity, while communication stimuli decrease it, aiding signal differentiation.

More Related Videos

New Methods to Study Gustatory Coding
10:59

New Methods to Study Gustatory Coding

Published on: June 29, 2017

Electrophysiological Method for Recording Intracellular Voltage Responses of Drosophila Photoreceptors and Interneurons to Light Stimuli In Vivo
11:42

Electrophysiological Method for Recording Intracellular Voltage Responses of Drosophila Photoreceptors and Interneurons to Light Stimuli In Vivo

Published on: June 19, 2016

Related Experiment Videos

Last Updated: Jul 7, 2026

Multi-unit Recording Methods to Characterize Neural Activity in the Locust (Schistocerca Americana) Olfactory Circuits
12:13

Multi-unit Recording Methods to Characterize Neural Activity in the Locust (Schistocerca Americana) Olfactory Circuits

Published on: January 25, 2013

New Methods to Study Gustatory Coding
10:59

New Methods to Study Gustatory Coding

Published on: June 29, 2017

Electrophysiological Method for Recording Intracellular Voltage Responses of Drosophila Photoreceptors and Interneurons to Light Stimuli In Vivo
11:42

Electrophysiological Method for Recording Intracellular Voltage Responses of Drosophila Photoreceptors and Interneurons to Light Stimuli In Vivo

Published on: June 19, 2016

Area of Science:

  • Neuroscience
  • Sensory Biology
  • Computational Neuroscience

Background:

  • Correlated activity among central neurons is crucial for information processing.
  • Sensory stimuli activate multiple receptors, potentially increasing neural correlations.

Purpose of the Study:

  • Characterize correlated activity in the electrosensory lateral line lobe of weakly electric fish (Apteronotus leptorhynchus).
  • Investigate how different biologically relevant stimuli (prey vs. conspecific) modulate neural correlations.
  • Determine the mechanisms underlying stimulus-dependent changes in correlated activity.

Main Methods:

  • Analysis of neural spike trains in response to prey-like and conspecific-like stimuli.
  • Quantification of baseline and noise correlations between neurons.
  • Examination of burst firing patterns and receptive field overlap.

Main Results:

  • Baseline neural activity shows correlations dependent on receptive field overlap.
  • Correlated activity is primarily driven by synchronous or anti-synchronous spike bursts.
  • Prey stimuli enhance correlated activity, whereas conspecific stimuli decrease it.
  • Decreased correlation with conspecific stimuli is linked to reduced noise correlations and altered burst firing.

Conclusions:

  • Different categories of sensory stimuli differentially modulate neural correlated activity.
  • Changes in burst firing patterns underlie stimulus-specific correlation modulation.
  • Postsynaptic neurons can distinguish between stimulus categories based on the number of correlated bursts.