Evidence map›Paper›PMID 33279924›Full record

ArticleEntropy (Basel, Switzerland)2020

Working Memory Decline in Alzheimer's Disease Is Detected by Complexity Analysis of Multimodal EEG-fNIRS.

David Perpetuini, Antonio Maria Chiarelli, Chiara Filippini, Daniela Cardone, Pierpaolo Croce, Ludovica Rotunno, Nelson Anzoletti, Michele Zito, Filippo Zappasodi, Arcangelo Merla

Open access · goldAbstract read
In one paragraph

Article in Entropy (Basel, Switzerland), 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 30 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
30citing papers in PubMed, 1 pooled it
3.3field-weighted citation impact, top 6% 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

30 citing papers in PubMed, 1 synthesis or guideline pooled it, 48 citations in OpenAlex.

  1. Pooled it
  2. Trial
  3. Article
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  5. Differences in brain function entropy due to cognitive impairment: Application of functional near infrared spectroscopy measures during dual-tasking.International journal of psychophysiology : official journal of the International Organization of Psychophysiology · 2025
    Article
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  9. Integrating Neuroimaging and Genetics via Contrastive Learning for Working Memory.... IEEE-EMBS International Conference on Biomedical and Health Informatics. IEEE-EMBS International Conference on Biomedical and Health Informatics · 2024
    Article
  10. Article
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  15. Brain Complexity and Psychiatric Disorders.Iranian journal of psychiatry · 2023
    Review
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  17. Review
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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

10 authors at 1 institution in 1 country.

David PerpetuiniInstitute for Advanced Biomedical Technologies, Department of Neuroscience and Imaging, University G. D'Annunzio of Chieti-Pescara, Via Luigi Polacchi 13, 66100 Chieti, Italy.ORCID 0000-0003-1903-0501
Antonio Maria ChiarelliInstitute for Advanced Biomedical Technologies, Department of Neuroscience and Imaging, University G. D'Annunzio of Chieti-Pescara, Via Luigi Polacchi 13, 66100 Chieti, Italy.ORCID 0000-0002-5347-8417
Chiara FilippiniInstitute for Advanced Biomedical Technologies, Department of Neuroscience and Imaging, University G. D'Annunzio of Chieti-Pescara, Via Luigi Polacchi 13, 66100 Chieti, Italy.ORCID 0000-0003-2282-3537
Daniela CardoneInstitute for Advanced Biomedical Technologies, Department of Neuroscience and Imaging, University G. D'Annunzio of Chieti-Pescara, Via Luigi Polacchi 13, 66100 Chieti, Italy.ORCID 0000-0002-1506-1995
Pierpaolo CroceInstitute for Advanced Biomedical Technologies, Department of Neuroscience and Imaging, University G. D'Annunzio of Chieti-Pescara, Via Luigi Polacchi 13, 66100 Chieti, Italy.ORCID 0000-0001-7279-3052
Ludovica RotunnoDepartment of Medicine and Science of Ageing, University G. d'Annunzio, Via Dei Vestini 31, 66100 Chieti, Italy.
Nelson AnzolettiDepartment of Medicine and Science of Ageing, University G. d'Annunzio, Via Dei Vestini 31, 66100 Chieti, Italy.
Michele ZitoDepartment of Medicine and Science of Ageing, University G. d'Annunzio, Via Dei Vestini 31, 66100 Chieti, Italy.
Filippo ZappasodiInstitute for Advanced Biomedical Technologies, Department of Neuroscience and Imaging, University G. D'Annunzio of Chieti-Pescara, Via Luigi Polacchi 13, 66100 Chieti, Italy.
Arcangelo MerlaInstitute for Advanced Biomedical Technologies, Department of Neuroscience and Imaging, University G. D'Annunzio of Chieti-Pescara, Via Luigi Polacchi 13, 66100 Chieti, Italy.
University of Chieti-Pescara · IT

Funding

H2020, ECSEL-04-2015-Smart Health, Advancing Smart Optical Imaging and Sensing for Health (ASTONISH) 692470
6 · The paper itself

Abstract

Alzheimer's disease (AD) is characterized by working memory (WM) failures that can be assessed at early stages through administering clinical tests. Ecological neuroimaging, such as Electroencephalography (EEG) and functional Near Infrared Spectroscopy (fNIRS), may be employed during these tests to support AD early diagnosis within clinical settings. Multimodal EEG-fNIRS could measure brain activity along with neurovascular coupling (NC) and detect their modifications associated with AD. Data analysis procedures based on signal complexity are suitable to estimate electrical and hemodynamic brain activity or their mutual information (NC) during non-structured experimental paradigms. In this study, sample entropy of whole-head EEG and frontal/prefrontal cortex fNIRS was evaluated to assess brain activity in early AD and healthy controls (HC) during WM tasks (i.e., Rey-Osterrieth complex figure and Raven's progressive matrices). Moreover, conditional entropy between EEG and fNIRS was evaluated as indicative of NC. The findings demonstrated the capability of complexity analysis of multimodal EEG-fNIRS to detect WM decline in AD. Furthermore, a multivariate data-driven analysis, performed on these entropy metrics and based on the General Linear Model, allowed classifying AD and HC with an AUC up to 0.88. EEG-fNIRS may represent a powerful tool for the clinical evaluation of WM decline in early AD.

Indexed as

Alzheimer’s disease (AD)complexity analysisconditional entropyElectroencephalography (EEG)functional Near-Infrared Spectroscopy (fNIRS)multimodal neuroimagingneurovascular coupling (NC)Raven’s progressive matricesRey–Osterrieth complex figuresample entropy

Identifiers

PMID33279924
PMCPMC7762102
OpenAlexW3111224637

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.