Evidence map›Paper›PMID 35912082›Full record

SynthesisFrontiers in aging neuroscience2022

Convergent functional changes of the episodic memory impairment in mild cognitive impairment: An ALE meta-analysis.

Xuhong Liang, Qianqian Yuan, Chen Xue, Wenzhang Qi, Honglin Ge, Zheng Yan, Shanshan Chen, Yu Song, Huimin Wu, Chaoyong Xiao and 1 more

Open access · goldAbstract readSystematic Review
In one paragraph

Synthesis in Frontiers in aging neuroscience, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 11 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
11citing papers in PubMed, 1 pooled it
2.2field-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

11 citing papers in PubMed, 1 synthesis or guideline pooled it, 23 citations in OpenAlex.

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  2. Trial
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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

11 authors at 2 institutions in 1 country.

Xuhong LiangDepartment of Radiology, The Affiliated Brain Hospital of Nanjing Medical University, Nanjing, China.
Qianqian YuanDepartment of Radiology, The Affiliated Brain Hospital of Nanjing Medical University, Nanjing, China.
Chen XueDepartment of Radiology, The Affiliated Brain Hospital of Nanjing Medical University, Nanjing, China.
Wenzhang QiDepartment of Radiology, The Affiliated Brain Hospital of Nanjing Medical University, Nanjing, China.
Honglin GeInstitute of Brain Functional Imaging, Nanjing Medical University, Nanjing, China.
Zheng YanInstitute of Brain Functional Imaging, Nanjing Medical University, Nanjing, China.
Shanshan ChenDepartment of Neurology, The Affiliated Brain Hospital of Nanjing Medical University, Nanjing, China.
Yu SongDepartment of Neurology, The Affiliated Brain Hospital of Nanjing Medical University, Nanjing, China.
Huimin WuDepartment of Neurology, The Affiliated Brain Hospital of Nanjing Medical University, Nanjing, China.
Chaoyong XiaoDepartment of Radiology, The Affiliated Brain Hospital of Nanjing Medical University, Nanjing, China.
Jiu ChenInstitute of Brain Functional Imaging, Nanjing Medical University, Nanjing, China.
Nanjing Brain Hospital · CNNanjing Medical University · CN

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Background: Mild cognitive impairment (MCI) is considered to be an intermediate stage between normal aging and Alzheimer's disease (AD). The earliest and most common symptom of MCI is impaired episodic memory. When episodic memory is impaired in MCI patients, specific functional changes occur in related brain areas. However, there is currently a lack of a unified conclusion on this change. Therefore, the purpose of this meta-analysis is to find MRI-specific functional changes in episodic memory in MCI patients. Methods: Based on three commonly used indicators of brain function: functional connectivity (FC), the amplitude of low-frequency fluctuation /fractional amplitude of low-frequency fluctuation (ALFF/fALFF), and regional homogeneity (ReHo), we systematically searched PubMed, Web of Science and Ovid related literature and conducted the strict screening. Then we use the activation likelihood estimation (ALE) algorithm to perform the coordinate-based meta-analysis. Results: Through strict screening, this meta-analysis finally included 21 related functional neuroimaging research articles. The final result displays that functional changes of episodic memory in MCI patients are mainly located in the parahippocampal gyrus, precuneus, posterior cingulate gyrus, cuneus, middle temporal gyrus, middle frontal gyrus, lingual gyrus, and thalamus. Conclusions: There are specific functional changes in episodic memory brain regions in MCI patients, and the brain functional network can regulate episodic memory through these brain regions. And these specific changes can assist in the early diagnosis of MCI, providing new ideas and directions for early identification and intervention in the process of MCI.

Indexed as

activation likelihood estimationepisodic memoryfunctional connectivitymild cognitive impairmentregional homogeneityresting statethe amplitude of low-frequency fluctuation

Identifiers

PMID35912082
PMCPMC9335195
OpenAlexW4285593067

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.