Evidence map›Paper›PMID 34221675›Full record

ArticleBiomedical optics express2021

Decoding different working memory states during an operation span task from prefrontal fNIRS signals.

Ting Chen, Cui Zhao, Xingyu Pan, Junda Qu, Jing Wei, Chunlin Li, Ying Liang, Xu Zhang

Abstract read
In one paragraph

Article in Biomedical optics express, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.

0numbers the graph read from it
0cells of the map it votes in
4citing 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

4 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

8 authors.

Ting ChenSchool of Biomedical Engineering, Capital Medical University, Beijing, China.ORCID https://orcid.org/0000-0003-2086-1193
Cui ZhaoSchool of Biomedical Engineering, Capital Medical University, Beijing, China.
Xingyu PanSchool of Biomedical Engineering, Capital Medical University, Beijing, China.
Junda QuSchool of Biomedical Engineering, Capital Medical University, Beijing, China.
Jing WeiSchool of Biomedical Engineering, Capital Medical University, Beijing, China.
Chunlin LiSchool of Biomedical Engineering, Capital Medical University, Beijing, China.
Ying LiangSchool of Biomedical Engineering, Capital Medical University, Beijing, China.
Xu ZhangSchool of Biomedical Engineering, Capital Medical University, Beijing, China.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

We propose an effective and practical decoding method of different mental states for potential applications for the design of brain-computer interfaces, prediction of cognitive behaviour, and investigation of cognitive mechanism. Functional near infrared spectroscopy (fNIRS) signals that interrogated the prefrontal and parietal cortices and were evaluated by generalized linear model were recorded when nineteen healthy adults performed the operation span (OSPAN) task. The oxygenated hemoglobin changes during OSPAN, response, and rest periods were classified with a support vector machine (SVM). The relevance vector regression algorithm was utilized for prediction of cognitive performance based on multidomain features of fNIRS signals from the OSPAN task. We acquired decent classification accuracies for OSPAN vs. response (above 91.2%) and for OSPAN vs. rest (above 94.7%). Eight of the ten cognitive testing scores could be predicted from the combination of OSPAN and response features, which indicated the brain hemodynamic responses contain meaningful information suitable for predicting cognitive performance.

Identifiers

PMID34221675
PMCPMC8221954

What OpenQuestion holds

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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.