Natural language processing in Alzheimer's disease research: Systematic review of methods, data, and efficacy

Abstract INTRODUCTION Alzheimer's disease (AD) prevalence is increasing, with no current cure. Natural language processing (NLP) offers the potential for non‐invasive diagnostics, social burden assessment, and research advancements in AD. METHOD A systematic review using Preferred Reporting Ite...

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Main Authors: Arezo Shakeri, Mina Farmanbar
Format: Article
Language:English
Published: Wiley 2025-01-01
Series:Alzheimer’s & Dementia: Diagnosis, Assessment & Disease Monitoring
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Online Access:https://doi.org/10.1002/dad2.70082
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author Arezo Shakeri
Mina Farmanbar
author_facet Arezo Shakeri
Mina Farmanbar
author_sort Arezo Shakeri
collection DOAJ
description Abstract INTRODUCTION Alzheimer's disease (AD) prevalence is increasing, with no current cure. Natural language processing (NLP) offers the potential for non‐invasive diagnostics, social burden assessment, and research advancements in AD. METHOD A systematic review using Preferred Reporting Items for Systematic Reviews and Meta‐Analyses guidelines explored NLP applications in AD, focusing on dataset types, sources, research foci, methods, and effectiveness. Searches were conducted across six databases (ACM, Embase, IEEE, PubMed, Scopus, and Web of Science) from January 2020 to July 2024. RESULTSOf 1740 records, 79 studies were selected. Frequently used datasets included speech and electronic health records (EHR), along with social media and scientific publications. Machine learning and neural networks were primarily applied to speech, EHR, and social media data, while rule‐based methods were used to analyze literature datasets. DISCUSSIONNLP has proven effective in various aspects of AD research, including diagnosis, monitoring, social burden assessment, biomarker analysis, and research. However, there are opportunities for improvement in dataset diversity, model interpretability, multilingual capabilities, and addressing ethical concerns. Highlights This review systematically analyzed 79 studies from six major databases, focusing on the advancements and applications of natural language processing (NLP) in Alzheimer's disease (AD) research. The study highlights the need for models focusing on remote monitoring of AD patients using speech analysis, offering a cost‐effective alternative to traditional methods such as brain imaging and aiding clinicians in both prediagnosis and post‐diagnosis periods. The use of pretrained multilingual models is recommended to improve AD detection across different languages by leveraging diverse speech features and utilizing publicly available datasets.
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spelling doaj-art-01672d4cfebb4003b30de58e308622762025-08-20T02:09:58ZengWileyAlzheimer’s & Dementia: Diagnosis, Assessment & Disease Monitoring2352-87292025-01-01171n/an/a10.1002/dad2.70082Natural language processing in Alzheimer's disease research: Systematic review of methods, data, and efficacyArezo Shakeri0Mina Farmanbar1Department of Electrical Engineering and Computer Science Faculty of Science and Technology University of Stavanger Stavanger NorwayDepartment of Electrical Engineering and Computer Science Faculty of Science and Technology University of Stavanger Stavanger NorwayAbstract INTRODUCTION Alzheimer's disease (AD) prevalence is increasing, with no current cure. Natural language processing (NLP) offers the potential for non‐invasive diagnostics, social burden assessment, and research advancements in AD. METHOD A systematic review using Preferred Reporting Items for Systematic Reviews and Meta‐Analyses guidelines explored NLP applications in AD, focusing on dataset types, sources, research foci, methods, and effectiveness. Searches were conducted across six databases (ACM, Embase, IEEE, PubMed, Scopus, and Web of Science) from January 2020 to July 2024. RESULTSOf 1740 records, 79 studies were selected. Frequently used datasets included speech and electronic health records (EHR), along with social media and scientific publications. Machine learning and neural networks were primarily applied to speech, EHR, and social media data, while rule‐based methods were used to analyze literature datasets. DISCUSSIONNLP has proven effective in various aspects of AD research, including diagnosis, monitoring, social burden assessment, biomarker analysis, and research. However, there are opportunities for improvement in dataset diversity, model interpretability, multilingual capabilities, and addressing ethical concerns. Highlights This review systematically analyzed 79 studies from six major databases, focusing on the advancements and applications of natural language processing (NLP) in Alzheimer's disease (AD) research. The study highlights the need for models focusing on remote monitoring of AD patients using speech analysis, offering a cost‐effective alternative to traditional methods such as brain imaging and aiding clinicians in both prediagnosis and post‐diagnosis periods. The use of pretrained multilingual models is recommended to improve AD detection across different languages by leveraging diverse speech features and utilizing publicly available datasets.https://doi.org/10.1002/dad2.70082Alzheimer's diseasedementianatural language processingsystematic reviewPRISMA guidelines
spellingShingle Arezo Shakeri
Mina Farmanbar
Natural language processing in Alzheimer's disease research: Systematic review of methods, data, and efficacy
Alzheimer’s & Dementia: Diagnosis, Assessment & Disease Monitoring
Alzheimer's disease
dementia
natural language processing
systematic review
PRISMA guidelines
title Natural language processing in Alzheimer's disease research: Systematic review of methods, data, and efficacy
title_full Natural language processing in Alzheimer's disease research: Systematic review of methods, data, and efficacy
title_fullStr Natural language processing in Alzheimer's disease research: Systematic review of methods, data, and efficacy
title_full_unstemmed Natural language processing in Alzheimer's disease research: Systematic review of methods, data, and efficacy
title_short Natural language processing in Alzheimer's disease research: Systematic review of methods, data, and efficacy
title_sort natural language processing in alzheimer s disease research systematic review of methods data and efficacy
topic Alzheimer's disease
dementia
natural language processing
systematic review
PRISMA guidelines
url https://doi.org/10.1002/dad2.70082
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AT minafarmanbar naturallanguageprocessinginalzheimersdiseaseresearchsystematicreviewofmethodsdataandefficacy