, Volume 8, Issue 1, pp 379–383 | Cite as

Effects of Serotonin Receptor Antagonist Methiothepin on Membrane Potential of Premotor Interneurons of Naïve and Learned Snails

  • Vyatcheslav V. Andrianov
  • Tatiana Kh. Bogodvid
  • Irina B. Deryabina
  • Aleksandra N. Golovchenko
  • Lyudmila N. Muranova
  • Khalil L. Gainutdinov


It was shown that the application of methiothepin, the antagonist of serotonin (5-HT) receptors, caused a decrease in the membrane potential of the high-threshold premotor interneurons LPa3 and RPa3 of the intact snails and its increase to the previous level after the subsequent application of 5-HT in vitro. The application of methiothepin also led to a decrease in the membrane potential of these neurons, but the subsequent application of 5-HT did not lead to the return of the membrane potential to the previous level in animals trained in defensive reflex. It can be assumed that conditioning of the defensive reflex causes a state change of the 5-HT receptor system of premotor interneurons of defensive behavior.


Serotonin Methiothepin Identified neurons Membrane and threshold potentials Learning Snail 


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Copyright information

© Springer Science+Business Media, LLC, part of Springer Nature 2018

Authors and Affiliations

  • Vyatcheslav V. Andrianov
    • 1
  • Tatiana Kh. Bogodvid
    • 1
    • 2
  • Irina B. Deryabina
    • 1
  • Aleksandra N. Golovchenko
    • 1
  • Lyudmila N. Muranova
    • 1
  • Khalil L. Gainutdinov
    • 1
  1. 1.Laboratory of Neurorehabilitation of Motor DisordersInstitute of Fundamental Medicine and Biology of Kazan Federal UniversityKazanRussia
  2. 2.Volga Region State Academy of Physical Culture, Sport and TourismKazanRussia

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