Evidence map›Paper›PMID 41408071›Full record

ArticleNPJ Parkinson's disease2025

Cortical dynamics and network alterations in Parkinson's disease with mild cognitive impairment: TMS-EEG study of the posterior parietal cortex.

Guangying Pei, Xiao Yang, Han Liu, Mengxuan Hu, Keke Chen, Cuiping Xue, Zhaohui Jin, Li Wang, Chunyu Zhang, Boyan Fang and 1 more

Abstract read
In one paragraph

Article in NPJ Parkinson's disease, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.

0numbers the graph read from it
0cells of the map it votes in
5citing papers in PubMed
–field-weighted citation impact
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

5 citing papers in PubMed.

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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.

Guangying Pei *School of Medical Technology, Beijing Institute of Technology, Beijing, China.
Xiao Yang *School of Medical Technology, Beijing Institute of Technology, Beijing, China.
Han LiuSchool of Medical Technology, Beijing Institute of Technology, Beijing, China.
Mengxuan HuSchool of Medical Technology, Beijing Institute of Technology, Beijing, China.
Keke ChenParkinson Medical Center, Beijing Rehabilitation Hospital, Capital Medical University, Beijing, China.
Cuiping XueParkinson Medical Center, Beijing Rehabilitation Hospital, Capital Medical University, Beijing, China.
Zhaohui JinParkinson Medical Center, Beijing Rehabilitation Hospital, Capital Medical University, Beijing, China.
Li WangSchool of Medical Technology, Beijing Institute of Technology, Beijing, China.
Chunyu ZhangSchool of Medical Technology, Beijing Institute of Technology, Beijing, China.
Boyan FangParkinson Medical Center, Beijing Rehabilitation Hospital, Capital Medical University, Beijing, China. fangboyanv@ccmu.edu.cn.
Tianyi YanSchool of Medical Technology, Beijing Institute of Technology, Beijing, China. yantianyi@bit.edu.cn.

Funding

Beijing Natural Science Foundation 7242274National Natural Science Foundation of China 62336002National Natural Science Foundation of China 82202291Science and Technology Development Fund of Beijing Rehabilitation Hospital, Capital Medical University 2023R-04STI 2030-Major Projects 2022ZD0208500
6 · The paper itself

Abstract

Individuals with mild cognitive impairment (MCI) in Parkinson's disease (PD) are significantly susceptible to developing dementia. Investigating cortical dynamics within the posterior parietal cortex (PPC) may elucidate the mechanisms underlying cognitive decline in PD. Using combined transcranial magnetic stimulation-electroencephalography, this study assessed cortical excitability, time-frequency oscillations, and functional network dynamics after stimulation of the right PPC in 45 PD patients (23 with MCI, 22 with normal cognition). Results showed that PD-MCI patients exhibited increased TMS-evoked potentials across the frontal-parietal-occipital cortex compared to cognitively normal PD patients, accompanied by enhanced theta and alpha oscillation synchronization. Functional connectivity analysis revealed higher global efficiency and lower average shortest path length within theta-band frontoparietal networks in PD-MCI, which correlated with poorer cognitive performance. These results highlight hyperactive cortical responses and hyperconnected low-frequency brain networks in PD-MCI following right PPC stimulation, implicating the PPC as a potential intervention target to mitigate cognitive decline in PD.

Identifiers

PMID41408071
PMCPMC12774898

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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.