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Related Concept Videos

Gap Junctions01:37

Gap Junctions

Multicellular organisms employ a variety of ways for cells to communicate with each other. Gap junctions are specialized proteins that form pores between neighboring cells in animals, connecting the cytoplasm between the two, and allowing for the exchange of molecules and ions. They are found in a wide range of invertebrate and vertebrate species, mediate numerous functions including cell differentiation and development, and are associated with numerous human diseases, including cardiac and...
Electrical Synapses01:28

Electrical Synapses

Electrical synapses found in all nervous systems play important and unique roles. In these synapses, the presynaptic and postsynaptic membranes are very close together (3.5 nm) and are actually physically connected by channel proteins forming gap junctions.
Gap junctions allow the current to pass directly from one cell to the next. In contrast, in the chemical synapse, the neurotransmitters carry the information through the synaptic cleft from one neuron to the next. They consist of two...

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Related Experiment Video

Updated: May 16, 2026

Tuning in the Hippocampal Theta Band In Vitro: Methodologies for Recording from the Isolated Rodent Septohippocampal Circuit
11:37

Tuning in the Hippocampal Theta Band In Vitro: Methodologies for Recording from the Isolated Rodent Septohippocampal Circuit

Published on: August 2, 2017

[Gap junction involvement in hippocampal theta rhythm generation].

Renata Bocian1, Tomasz Kowalczyk

  • 1Katedra Neurobiologii, Uniwersytet Łódzki, ul. Pomorska 141/143, 90-236 Łódź, Poland. renab@biol.uni.lodz.pl

Postepy Higieny I Medycyny Doswiadczalnej (Online)
|November 24, 2012
PubMed
Summary

This study reviews electrical transmission

Area of Science:

  • Neuroscience
  • Central Nervous System Physiology

Background:

  • Hippocampal theta rhythm exemplifies neuronal network oscillations.
  • Both chemical and electrical synapses mediate these rhythms.
  • The role of electrical synapses in theta rhythm is not fully understood.

Purpose of the Study:

  • To review current research on electrical transmission's role in theta rhythm generation.
  • To clarify the contribution of gap junctions to synchronized brain activity.

Main Methods:

  • Literature review of existing research data.
  • Analysis of studies investigating neuronal communication in the hippocampus.

Main Results:

  • Electrical transmission via gap junctions is involved in theta rhythm generation.

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Last Updated: May 16, 2026

Tuning in the Hippocampal Theta Band In Vitro: Methodologies for Recording from the Isolated Rodent Septohippocampal Circuit
11:37

Tuning in the Hippocampal Theta Band In Vitro: Methodologies for Recording from the Isolated Rodent Septohippocampal Circuit

Published on: August 2, 2017

Generation of Local CA1 &#947; Oscillations by Tetanic Stimulation
08:02

Generation of Local CA1 γ Oscillations by Tetanic Stimulation

Published on: August 14, 2015

Optogenetic Entrainment of Hippocampal Theta Oscillations in Behaving Mice
07:33

Optogenetic Entrainment of Hippocampal Theta Oscillations in Behaving Mice

Published on: June 29, 2018

  • Electrical synapses contribute to the synchronized EEG patterns observed in the mammalian brain.

    • Conclusions:

    • Electrical transmission plays a significant, though not fully understood, role in hippocampal theta rhythm.
    • Further research is needed to elucidate the precise mechanisms of electrical synapses in generating synchronized brain activity.