Evidence map›Paper›PMID 22308408›Full record

ArticleProceedings of the National Academy of Sciences of the United States of America2012

Differential modulation of the default mode network via serotonin-1A receptors.

Andreas Hahn, Wolfgang Wadsak, Christian Windischberger, Pia Baldinger, Anna S Höflich, Jan Losak, Lukas Nics, Cécile Philippe, Georg S Kranz, Christoph Kraus and 4 more

Open access · bronzeAbstract read
In one paragraph

Article in Proceedings of the National Academy of Sciences of the United States of America, 2012. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 65 papers, 2 of them syntheses that pooled it.

0numbers the graph read from it
0cells of the map it votes in
65citing papers in PubMed, 2 pooled it
6.4field-weighted citation impact, top 3% 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

65 citing papers in PubMed, 2 syntheses or guidelines pooled it, 129 citations in OpenAlex.

  1. Pooled it
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  15. Combining CRISPR-Cas9 and brain imaging to study the link from genes to molecules to networks.Proceedings of the National Academy of Sciences of the United States of America · 2022
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  17. Human brain functional MRS reveals interplay of metabolites implicated in neurotransmission and neuroenergetics.Journal of cerebral blood flow and metabolism : official journal of the International Society of Cerebral Blood Flow and Metabolism · 2022
    Article
  18. Article
  19. Article
  20. Physiological changes in sleep that affect fMRI inference.Current opinion in behavioral sciences · 2020
    Article

5 more citing papers are in PubMed but not listed here.

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

14 authors at 1 institution in 1 country.

Andreas HahnDepartment of Psychiatry and Psychotherapy, Center for Medical Physics and Biomedical Engineering, Medical University of Vienna, 1090 Vienna, Austria.
Wolfgang Wadsak
Christian Windischberger
Pia Baldinger
Anna S Höflich
Jan Losak
Lukas Nics
Cécile Philippe
Georg S Kranz
Christoph Kraus
Markus Mitterhauser
Georgios Karanikas
Siegfried Kasper
Rupert Lanzenberger
Medical University of Vienna · AT

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Reflecting one's mental self is a fundamental process for evaluating the personal relevance of life events and for moral decision making and future envisioning. Although the corresponding network has been receiving growing attention, the driving neurochemical mechanisms of the default mode network (DMN) remain unknown. Here we combined positron emission tomography and functional magnetic resonance imaging to investigate modulations of the DMN via serotonin-1A receptors (5-HT(1A)), separated for 5-HT autoinhibition (dorsal raphe nucleus) and local inhibition (heteroreceptors in projection areas). Using two independent approaches, regional 5-HT(1A) binding consistently predicted DMN activity in the retrosplenial cortex for resting-state functional magnetic resonance imaging and the Tower of London task. On the other hand, both local and autoinhibitory 5-HT(1A) binding inversely modulated the posterior cingulate cortex, the strongest hub in the resting human brain. In the frontal part of the DMN, a negative association was found between the dorsal medial prefrontal cortex and local 5-HT(1A) inhibition. Our results indicate a modulation of key areas involved in self-referential processing by serotonergic neurotransmission, whereas variations in 5-HT(1A) binding explained a considerable amount of the individual variability in the DMN. Moreover, the brain regions associated with distinct introspective functions seem to be specifically regulated by the different 5-HT(1A) binding sites. Together with previously reported modulations of dopamine and GABA, this regional specialization suggests complex interactions of several neurotransmitters driving the default mode network.

Indexed as

HumansMagnetic Resonance ImagingPositron-Emission TomographyReceptor, Serotonin, 5-HT1AReceptor, Serotonin, 5-HT1A

Identifiers

PMID22308408
PMCPMC3289336
OpenAlexW2018175707

What OpenQuestion holds

Textmetadata
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.