Evidence map›Paper›PMID 27374165›Full record

ArticleScientific reports2016

Early hippocampal volume loss as a marker of eventual memory deficits caused by repeated stress.

Mohammed Mostafizur Rahman, Charlotte K Callaghan, Christian M Kerskens, Sumantra Chattarji, Shane M O'Mara

Open access · goldAbstract 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 32 papers.

0numbers the graph read from it
0cells of the map it votes in
32citing papers in PubMed
2.4field-weighted citation impact, top 12% of its field
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

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

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

32 citing papers in PubMed, 63 citations in OpenAlex.

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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 at 3 institutions in 2 countries.

Mohammed Mostafizur RahmanNational Centre for Biological Sciences, Tata Institute of Fundamental Research, Bangalore 560065, India.
Charlotte K CallaghanInstitute of Neuroscience, Trinity College Dublin, College Green, Dublin 2, Ireland.
Christian M KerskensInstitute of Neuroscience, Trinity College Dublin, College Green, Dublin 2, Ireland.
Sumantra ChattarjiNational Centre for Biological Sciences, Tata Institute of Fundamental Research, Bangalore 560065, India.
Shane M O'MaraInstitute of Neuroscience, Trinity College Dublin, College Green, Dublin 2, Ireland.
Trinity College Dublin · IENational Centre for Biological Sciences · INTata Institute of Fundamental Research · IN

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Exposure to severe and prolonged stress has detrimental effects on the hippocampus. However, relatively little is known about the gradual changes in hippocampal structure, and its behavioral consequences, over the course of repeated stress. Behavioral analyses during 10 days of chronic stress pointed to a delayed decline in spatial memory, the full impact of which is evident only after the end of stress. In contrast, concurrent volumetric measurements in the same animals revealed significant reduction in hippocampal volumes in stressed animals relative to their unstressed counterparts, as early as the third day of stress. Notably, animals that were behaviorally the worst affected at the end of chronic stress suffered the most pronounced early loss in hippocampal volume. Together, these findings support the view that not only is smaller hippocampal volume linked to stress-induced memory deficits, but it may also act as an early risk factor for the eventual development of cognitive impairments seen in stress-related psychiatric disorders.

Indexed as

AnimalsBehavior, AnimalChronic DiseaseHippocampusMaleMaze LearningMemory DisordersOrgan SizeRats, WistarSpatial MemoryStress, PsychologicalTask Performance and Analysis

Identifiers

PMID27374165
PMCPMC4931588
OpenAlexW2471390862

What OpenQuestion holds

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LicenceCC BY
Read underepoch 390

Registered trials

None linked

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.