Action of Serotonin Precursor Synthesis 5-Oxytryptophan on EPSP Recorded in Premotor Interneurons of Snail after Formation of Conditioned Defensive Reflex

A. I. Arslanov; Арсланов А. И.; D. I. Silantyeva; Силантьева Д. И.; V. V. Andrianov; Андрианов В. В.; I. B. Deryabina; Дерябина И. Б.; Kh. L. Gainutdinov; Гайнутдинов Х. Л.

doi:10.31857/S0233475523050031

Action of Serotonin Precursor Synthesis 5-Oxytryptophan on EPSP Recorded in Premotor Interneurons of Snail after Formation of Conditioned Defensive Reflex

Authors: Arslanov A.I.¹, Silantyeva D.I.¹, Andrianov V.V.¹^,2, Deryabina I.B.¹, Gainutdinov K.L.¹^,2
Affiliations:
1. Kazan Federal University
2. Zavoisky Physical-Technical Institute of the Federal Scientific Center of Russian Academy of Sciences
Issue: Vol 40, No 5 (2023)
Pages: 336-341
Section: Articles
URL: https://journal-vniispk.ru/0233-4755/article/view/135039
DOI: https://doi.org/10.31857/S0233475523050031
EDN: https://elibrary.ru/OJJWQQ
ID: 135039

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Abstract
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Abstract

A quantitative study of subthreshold excitatory postsynaptic potentials (EPSP) recorded intracellularly in giant premotor interneurons of the terrestrial snail was carried out after the formation of a conditioned defensive reflex of food aversion in snails with increased level of serotonin. The results showed a significant increase in the number of low-amplitude EPSP with an amplitude from 0.3 to 0.5 mV in the giant premotor interneurons of defensive behavior after learning and increasing the level of serotonin. The observed increase in the number of EPSP may indicate either an increase in the number of action potentials in the corresponding presynaptic neurons or an increase in the amplitudes of the EPSP that were previously undetectable.

Keywords

neuron, training, EPSP, synaptic plasticity, membrane potential, serotonin

References

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