An Automated Approach for the Detection of Alzheimer's Disease From Resting State Electroencephalography

Early detection is crucial to control the progression of Alzheimer's disease and to postpone intellectual decline. Most current detection techniques are costly, inaccessible, or invasive. Furthermore, they require laborious analysis, what delays the start of medical treatment. To overcome this,...

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Published inFrontiers in neuroinformatics Vol. 16; p. 924547
Main Authors Perez-Valero, Eduardo, Morillas, Christian, Lopez-Gordo, Miguel A., Carrera-Muñoz, Ismael, López-Alcalde, Samuel, Vílchez-Carrillo, Rosa M.
Format Journal Article
LanguageEnglish
Published Lausanne Frontiers Research Foundation 11.07.2022
Frontiers Media S.A
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Summary:Early detection is crucial to control the progression of Alzheimer's disease and to postpone intellectual decline. Most current detection techniques are costly, inaccessible, or invasive. Furthermore, they require laborious analysis, what delays the start of medical treatment. To overcome this, researchers have recently investigated AD detection based on electroencephalography, a non-invasive neurophysiology technique, and machine learning algorithms. However, these approaches typically rely on manual procedures such as visual inspection, that requires additional personnel for the analysis, or on cumbersome EEG acquisition systems. In this paper, we performed a preliminary evaluation of a fully-automated approach for AD detection based on a commercial EEG acquisition system and an automated classification pipeline. For this purpose, we recorded the resting state brain activity of 26 participants from three groups: mild AD, mild cognitive impairment (MCI-non-AD), and healthy controls. First, we applied automated data-driven algorithms to reject EEG artifacts. Then, we obtained spectral, complexity, and entropy features from the preprocessed EEG segments. Finally, we assessed two binary classification problems: mild AD vs. controls, and MCI-non-AD vs. controls, through leave-one-subject-out cross-validation. The preliminary results that we obtained are comparable to the best reported in literature, what suggests that AD detection could be automatically detected through automated processing and commercial EEG systems. This is promising, since it may potentially contribute to reducing costs related to AD screening, and to shortening detection times, what may help to advance medical treatment.
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Reviewed by: Shuangming Yang, Tianjin University, China; Francesco Carlo Morabito, Mediterranea University of Reggio Calabria, Italy; Zonglei Zhen, Beijing Normal University, China
Edited by: Ludovico Minati, Tokyo Institute of Technology, Japan
ISSN:1662-5196
1662-5196
DOI:10.3389/fninf.2022.924547