Evidence map›Paper›PMID 27841309›Full record

ArticleScientific reports2016

Impairment of the serotonergic neurons underlying reinforcement elicits extinction of the repeatedly reactivated context memory.

Pavel M Balaban, Alia Kh Vinarskaya, Alena B Zuzina, Victor N Ierusalimsky, Aleksey Yu Malyshev

Abstract read
In one paragraph

Article in Scientific reports, 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 10 papers.

0numbers the graph read from it
0cells of the map it votes in
10citing papers in PubMed
–field-weighted citation impact
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

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Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

10 citing papers in PubMed.

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4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

5 authors.

Pavel M BalabanInstitute of Higher Nervous Activity and Neurophysiology, Russian Academy of Sciences, Moscow, Russia.
Alia Kh VinarskayaInstitute of Higher Nervous Activity and Neurophysiology, Russian Academy of Sciences, Moscow, Russia.
Alena B ZuzinaInstitute of Higher Nervous Activity and Neurophysiology, Russian Academy of Sciences, Moscow, Russia.
Victor N IerusalimskyInstitute of Higher Nervous Activity and Neurophysiology, Russian Academy of Sciences, Moscow, Russia.
Aleksey Yu MalyshevInstitute of Higher Nervous Activity and Neurophysiology, Russian Academy of Sciences, Moscow, Russia.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

We analyzed changes in the activity of individually identifiable neurons involved in the networks underlying feeding and withdrawal behaviors in snails before, during, and after aversive learning in vitro. Responses to food in the "reinforcing" serotonergic neurons involved in withdrawal changed significantly after training, implying that these serotonergic cells participate in the reactivation of memory and are involved in the reconsolidation process. In behavioral experiments it was shown that impairment of the functioning of the serotonergic system with the selective neurotoxin 5,7-DiHT did not change the memory, when tested once, but resulted in a complete extinction of the contextual memory after repeated reactivation of memory. Conversely, the cued memory to a specific type of food was significantly reduced but still present. Thus, we conclude that it is only for the context memory, that participation of the "reinforcing" serotonergic neurons in memory retrieval may be the gate condition for the choice between extinction/reconsolidation.

Indexed as

AnimalsConditioning, ClassicalExtinction, PsychologicalFeeding BehaviorLearningSerotonergic NeuronsSerotoninSnailsSerotonin

Identifiers

PMID27841309
PMCPMC5107893

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Registered trials

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.