Evidence map›Paper›PMID 31920501›Full record

ArticleFrontiers in neuroscience2019

Increased Activation of Default Mode Network in Early Parkinson's With Excessive Daytime Sleepiness.

Leon Qi Rong Ooi, Ming-Ching Wen, Samuel Yong-Ern Ng, Nicole Shuang-Yu Chia, Isabel Hui Min Chew, Weiling Lee, Zheyu Xu, Septian Hartono, Eng King Tan, Ling Ling Chan and 1 more

Erratum issuedOpen access · goldAbstract read
In one paragraph

Article in Frontiers in neuroscience, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. An erratum has been issued. Cited by 10 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
10citing papers in PubMed, 1 pooled it
0.5field-weighted citation impact, top 32% 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

10 citing papers in PubMed, 1 synthesis or guideline pooled it, 10 citations in OpenAlex.

  1. Pooled it
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  10. Functional Connectome in Parkinson's Disease and Parkinsonism.Current neurology and neuroscience reports · 2021
    Review
4 · The record

Corrections and comments

5 · Who and what money

Authors and funding

11 authors at 3 institutions in 1 country.

Leon Qi Rong OoiNational Neuroscience Institute, Singapore, Singapore.
Ming-Ching WenNational Neuroscience Institute, Singapore, Singapore.
Samuel Yong-Ern NgNational Neuroscience Institute, Singapore, Singapore.
Nicole Shuang-Yu ChiaNational Neuroscience Institute, Singapore, Singapore.
Isabel Hui Min ChewSingapore General Hospital, Singapore, Singapore.
Weiling LeeSingapore General Hospital, Singapore, Singapore.
Zheyu XuNational Neuroscience Institute, Singapore, Singapore.
Septian HartonoNational Neuroscience Institute, Singapore, Singapore.
Eng King TanNational Neuroscience Institute, Singapore, Singapore.
Ling Ling ChanDuke-NUS Medical School, Singapore, Singapore.
Louis Chew-Seng TanNational Neuroscience Institute, Singapore, Singapore.
National Neuroscience Institute · SGSingapore General Hospital · SGDuke-NUS Medical School · SG

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

BACKGROUND AND

objectivesThe underlying neuropathology of excessive daytime sleepiness (EDS) remains elusive in Parkinson's disease (PD). We aim to investigate neural network changes that underlie EDS in PD.

methodsEarly PD patients comprising eighty-one patients without EDS (EDS-) and seventeen patients with EDS (EDS+) received a resting state functional MRI scan and the Epworth Sleepiness Scale (ESS). Connectivities within the default mode network (DMN), motor and basal ganglia networks were compared between the EDS+ and EDS- groups. Correlations between network connectivity and the severity of EDS were investigated through linear regression.

resultsEDS+ patients displayed a trend of increased network connectivity of the posterior DMN (pDMN). A significant positive correlation was found between connectivity of the ventromedial prefrontal cortex in the pDMN and ESS.

conclusionEDS+ patients are likely to display increased activation in the DMN, suggesting neural compensation in early PD or impaired attentiveness due to mechanisms such as mind-wandering.

Indexed as

excessive daytime sleepinessindependent component analysesneural networkParkinson’s diseaseresting state fMRI

Identifiers

PMID31920501
PMCPMC6920242
OpenAlexW2991267288

What OpenQuestion holds

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LicenceCC BY
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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.