Evidence map›Paper›PMID 37957613›Full record

ArticleBMC psychiatry2023

Analysis of EEG features and study of automatic classification in first-episode and drug-naïve patients with major depressive disorder.

Yuanyuan Huang, Yun Yi, Qiang Chen, Hehua Li, Shixuan Feng, Sumiao Zhou, Ziyun Zhang, Chenyu Liu, Junhao Li, Qiuling Lu and 4 more

Open access · goldAbstract read
In one paragraph

Article in BMC psychiatry, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 21 papers, 3 of them syntheses that pooled it.

0numbers the graph read from it
0cells of the map it votes in
21citing papers in PubMed, 3 pooled it
5.6field-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

21 citing papers in PubMed, 3 syntheses or guidelines pooled it, 32 citations in OpenAlex.

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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

14 authors at 4 institutions in 3 countries.

Yuanyuan Huang *The First School of Clinical Medicine, Southern Medical University, Guangzhou, China.
Yun Yi *Department of Psychiatry, The Affiliated Brain Hospital of Guangzhou Medical University, Guangzhou, China.
Qiang ChenDepartment of Psychiatry, The Brain Hospital of Guangxi Zhuang Autonomous Region, Guangxi, China.
Hehua LiDepartment of Psychiatry, The Affiliated Brain Hospital of Guangzhou Medical University, Guangzhou, China.
Shixuan FengDepartment of Psychiatry, The Affiliated Brain Hospital of Guangzhou Medical University, Guangzhou, China.
Sumiao ZhouDepartment of Psychiatry, The Affiliated Brain Hospital of Guangzhou Medical University, Guangzhou, China.
Ziyun ZhangDepartment of Psychiatry, The Affiliated Brain Hospital of Guangzhou Medical University, Guangzhou, China.
Chenyu LiuDepartment of Psychiatry, The Affiliated Brain Hospital of Guangzhou Medical University, Guangzhou, China.
Junhao LiDepartment of Psychiatry, The Affiliated Brain Hospital of Guangzhou Medical University, Guangzhou, China.
Qiuling LuDepartment of Psychiatry, The Affiliated Brain Hospital of Guangzhou Medical University, Guangzhou, China.
Lida ZhangDepartment of Psychiatry, The Affiliated Brain Hospital of Guangzhou Medical University, Guangzhou, China.
Wei HanDepartment of Psychiatry, The Affiliated Brain Hospital of Guangzhou Medical University, Guangzhou, China.
Fengchun WuDepartment of Psychiatry, The Affiliated Brain Hospital of Guangzhou Medical University, Guangzhou, China. 13580380071@163.com.
Yuping NingThe First School of Clinical Medicine, Southern Medical University, Guangzhou, China. ningjeny@126.com.
Guangzhou Medical University · CNGuangxi Zhuang Autonomous Region Brain Hospital · CNFirst Affiliated Hospital of Guangzhou Medical University · CNGuangdong University of Foreign Studies · CN

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

backgroundMajor depressive disorder (MDD) has a high incidence and an unknown mechanism. There are no objective and sensitive indicators for clinical diagnosis.

objectiveThis study explored specific electrophysiological indicators and their role in the clinical diagnosis of MDD using machine learning.

methodsForty first-episode and drug-naïve patients with MDD and forty healthy controls (HCs) were recruited. EEG data were collected from all subjects in the resting state with eyes closed for 10 min. The severity of MDD was assessed by the Hamilton Depression Rating Scale (HAMD-17). Machine learning analysis was used to identify the patients with MDD.

resultsCompared to the HC group, the relative power of the low delta and theta bands was significantly higher in the right occipital region, and the relative power of the alpha band in the entire posterior occipital region was significantly lower in the MDD group. In the MDD group, the alpha band scalp functional connectivity was overall lower, while the scalp functional connectivity in the gamma band was significantly higher than that in the HC group. In the feature set of the relative power of the ROI in each band, the highest accuracy of 88.2% was achieved using the KNN classifier while using PCA feature selection. In the explanatory model using SHAP values, the top-ranking influence feature is the relative power of the alpha band in the left parietal region.

conclusionsOur findings reveal that the abnormal EEG neural oscillations may reflect an imbalance of excitation, inhibition and hyperactivity in the cerebral cortex in first-episode and drug-naïve patients with MDD. The relative power of the alpha band in the left parietal region is expected to be an objective electrophysiological indicator of MDD.

Indexed as

Major Depressive DisorderCerebral CortexElectroencephalographyHumansMagnetic Resonance ImagingOccipital LobeParietal LobeAutomated classificationElectroencephalogramMachine learningMajor depressive disorder

Identifiers

PMID37957613
PMCPMC10644563
OpenAlexW4388625996

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.