Evidence map›Paper›PMID 34513337›Full record

ArticlePeerJ2021

Discriminating three motor imagery states of the same joint for brain-computer interface.

Shan Guan, Jixian Li, Fuwang Wang, Zhen Yuan, Xiaogang Kang, Bin Lu

Open access · goldAbstract read
In one paragraph

Article in PeerJ, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
4citing papers in PubMed, 1 pooled it
0.6field-weighted citation impact, top 37% 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

4 citing papers in PubMed, 1 synthesis or guideline pooled it, 7 citations in OpenAlex.

  1. Pooled it
  2. Article
  3. Article
  4. Article
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

6 authors at 1 institution in 1 country.

Shan GuanSchool of Mechanical Engineering, Northeast Electric Power University, Jilin, China.
Jixian LiSchool of Mechanical Engineering, Northeast Electric Power University, Jilin, China.
Fuwang WangSchool of Mechanical Engineering, Northeast Electric Power University, Jilin, China.
Zhen YuanSchool of Mechanical Engineering, Northeast Electric Power University, Jilin, China.
Xiaogang KangSchool of Mechanical Engineering, Northeast Electric Power University, Jilin, China.
Bin LuSchool of Mechanical Engineering, Northeast Electric Power University, Jilin, China.
Northeast Electric Power University · CN

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

The classification of electroencephalography (EEG) induced by the same joint is one of the major challenges for brain-computer interface (BCI) systems. In this paper, we propose a new framework, which includes two parts, feature extraction and classification. Based on local mean decomposition (LMD), cloud model, and common spatial pattern (CSP), a feature extraction method called LMD-CSP is proposed to extract distinguishable features. In order to improve the classification results multi-objective grey wolf optimization twin support vector machine (MOGWO-TWSVM) is applied to discriminate the extracted features. We evaluated the performance of the proposed framework on our laboratory data sets with three motor imagery (MI) tasks of the same joint (shoulder abduction, extension, and flexion), and the average classification accuracy was 91.27%. Further comparison with several widely used methods showed that the proposed method had better performance in feature extraction and pattern classification. Overall, this study can be used for developing high-performance BCI systems, enabling individuals to control external devices intuitively and naturally.

Indexed as

Brain-computer interfaceCloud modelCommon spatial patternLocal mean decompositionMotor imageryMulti-objective grey wolf optimizerTwin support vector machine

Identifiers

PMID34513337
PMCPMC8395581
OpenAlexW3195713277

What OpenQuestion holds

Textmetadata
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.