Evidence map›Paper›PMID 33510782›Full record

ArticleNeural plasticity2021

Brain Networks Connectivity in Mild to Moderate Depression: Resting State fMRI Study with Implications to Nonpharmacological Treatment.

Dmitry D Bezmaternykh, Mikhail Ye Melnikov, Andrey A Savelov, Lyudmila I Kozlova, Evgeniy D Petrovskiy, Kira A Natarova, Mark B Shtark

Open access · goldAbstract read
In one paragraph

Article in Neural plasticity, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 16 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
16citing papers in PubMed, 1 pooled it
3.1field-weighted citation impact, top 8% 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

16 citing papers in PubMed, 1 synthesis or guideline pooled it, 41 citations in OpenAlex.

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  16. Altered effective connectivity in sensorimotor cortices is a signature of severity and clinical course in depression.Proceedings of the National Academy of Sciences of the United States of America · 2021
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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

7 authors at 3 institutions in 1 country.

Dmitry D BezmaternykhLaboratory of Biofeedback Computer Systems, Institute of Molecular Biology and Biophysics, Federal Research Center of Fundamental and Translational Medicine, Novosibirsk 630060, Russia.ORCID 0000-0001-6712-5412
Mikhail Ye MelnikovLaboratory of Biofeedback Computer Systems, Institute of Molecular Biology and Biophysics, Federal Research Center of Fundamental and Translational Medicine, Novosibirsk 630060, Russia.ORCID 0000-0003-4957-1958
Andrey A SavelovInternational Tomography Center SB RAS, Novosibirsk 630090, Russia.ORCID 0000-0002-5332-2607
Lyudmila I KozlovaLaboratory of Biofeedback Computer Systems, Institute of Molecular Biology and Biophysics, Federal Research Center of Fundamental and Translational Medicine, Novosibirsk 630060, Russia.ORCID 0000-0003-1821-7251
Evgeniy D PetrovskiyInternational Tomography Center SB RAS, Novosibirsk 630090, Russia.ORCID 0000-0003-4325-4062
Kira A NatarovaInternational Institute of Psychology and Psychotherapy, Novosibirsk 630007, Russia.ORCID 0000-0001-8088-0471
Mark B ShtarkLaboratory of Biofeedback Computer Systems, Institute of Molecular Biology and Biophysics, Federal Research Center of Fundamental and Translational Medicine, Novosibirsk 630060, Russia.ORCID 0000-0002-2326-4709
Federal Research Center of Fundamental and Translational Medicine · RUInternational Tomography Center · RUInstitute of Psychology · RU

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Network mechanisms of depression development and especially of improvement from nonpharmacological treatment remain understudied. The current study is aimed at examining brain networks functional connectivity in depressed patients and its dynamics in nonpharmacological treatment. Resting state fMRI data of 21 healthy adults and 51 patients with mild or moderate depression were analyzed with spatial independent component analysis; then, correlations between time series of the components were calculated and compared between-group (study 1). Baseline and repeated-measure data of 14 treated (psychotherapy or fMRI neurofeedback) and 15 untreated depressed participants were similarly analyzed and correlated with changes in depression scores (study 2). Aside from diverse findings, studies 1 and 2 both revealed changes in within-default mode network (DMN) and DMN to executive control network (ECN) connections. Connectivity in one pair, initially lower in depression, decreased in no treatment group and was inversely correlated with Montgomery-Asberg depression score change in treatment group. Weak baseline connectivity in this pair also predicted improvement on Montgomery-Asberg scale in both treatment and no treatment groups. Coupling of another pair, initially stronger in depression, increased in therapy though was unrelated to improvement. The results demonstrate possible role of within-DMN and DMN-ECN functional connectivity in depression treatment and suggest that neural mechanisms of nonpharmacological treatment action may be unrelated to normalization of initially disrupted connectivity.

Indexed as

AdultBrainDepressionFemaleHumansMaleNerve NetNeurofeedbackPsychotherapyRestTreatment OutcomeYoung Adult

Identifiers

PMID33510782
PMCPMC7822653
OpenAlexW3125774480

What OpenQuestion holds

Textmetadata
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.