Multi-Method Analysis of Medical Records and MRI Images for Early Diagnosis of Dementia and Alzheimer’s Disease Based on Deep Learning and Hybrid Methods

Dementia and Alzheimer’s disease are caused by neurodegeneration and poor communication between neurons in the brain. So far, no effective medications have been discovered for dementia and Alzheimer’s disease. Thus, early diagnosis is necessary to avoid the development of these diseases. In this stu...

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Autores principales: Badiea Abdulkarem Mohammed, Ebrahim Mohammed Senan, Taha H. Rassem, Nasrin M. Makbol, Adwan Alownie Alanazi, Zeyad Ghaleb Al-Mekhlafi, Tariq S. Almurayziq, Fuad A. Ghaleb
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Publicado: MDPI AG 2021
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Acceso en línea:https://doaj.org/article/2502dcac4a47464788e01fe8dc0d1749
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spelling oai:doaj.org-article:2502dcac4a47464788e01fe8dc0d17492021-11-25T17:25:24ZMulti-Method Analysis of Medical Records and MRI Images for Early Diagnosis of Dementia and Alzheimer’s Disease Based on Deep Learning and Hybrid Methods10.3390/electronics102228602079-9292https://doaj.org/article/2502dcac4a47464788e01fe8dc0d17492021-11-01T00:00:00Zhttps://www.mdpi.com/2079-9292/10/22/2860https://doaj.org/toc/2079-9292Dementia and Alzheimer’s disease are caused by neurodegeneration and poor communication between neurons in the brain. So far, no effective medications have been discovered for dementia and Alzheimer’s disease. Thus, early diagnosis is necessary to avoid the development of these diseases. In this study, efficient machine learning algorithms were assessed to evaluate the Open Access Series of Imaging Studies (OASIS) dataset for dementia diagnosis. Two CNN models (AlexNet and ResNet-50) and hybrid techniques between deep learning and machine learning (AlexNet+SVM and ResNet-50+SVM) were also evaluated for the diagnosis of Alzheimer’s disease. For the OASIS dataset, we balanced the dataset, replaced the missing values, and applied the t-Distributed Stochastic Neighbour Embedding algorithm (t-SNE) to represent the high-dimensional data in the low-dimensional space. All of the machine learning algorithms, namely, Support Vector Machine (SVM), Decision Tree, Random Forest and K Nearest Neighbours (KNN), achieved high performance for diagnosing dementia. The random forest algorithm achieved an overall accuracy of 94% and precision, recall and F1 scores of 93%, 98% and 96%, respectively. The second dataset, the MRI image dataset, was evaluated by AlexNet and ResNet-50 models and AlexNet+SVM and ResNet-50+SVM hybrid techniques. All models achieved high performance, but the performance of the hybrid methods between deep learning and machine learning was better than that of the deep learning models. The AlexNet+SVM hybrid model achieved accuracy, sensitivity, specificity and AUC scores of 94.8%, 93%, 97.75% and 99.70%, respectively.Badiea Abdulkarem MohammedEbrahim Mohammed SenanTaha H. RassemNasrin M. MakbolAdwan Alownie AlanaziZeyad Ghaleb Al-MekhlafiTariq S. AlmurayziqFuad A. GhalebMDPI AGarticleAlzheimerdementiat-SNE algorithmmachine learningdeep learninghybrid techniquesElectronicsTK7800-8360ENElectronics, Vol 10, Iss 2860, p 2860 (2021)
institution DOAJ
collection DOAJ
language EN
topic Alzheimer
dementia
t-SNE algorithm
machine learning
deep learning
hybrid techniques
Electronics
TK7800-8360
spellingShingle Alzheimer
dementia
t-SNE algorithm
machine learning
deep learning
hybrid techniques
Electronics
TK7800-8360
Badiea Abdulkarem Mohammed
Ebrahim Mohammed Senan
Taha H. Rassem
Nasrin M. Makbol
Adwan Alownie Alanazi
Zeyad Ghaleb Al-Mekhlafi
Tariq S. Almurayziq
Fuad A. Ghaleb
Multi-Method Analysis of Medical Records and MRI Images for Early Diagnosis of Dementia and Alzheimer’s Disease Based on Deep Learning and Hybrid Methods
description Dementia and Alzheimer’s disease are caused by neurodegeneration and poor communication between neurons in the brain. So far, no effective medications have been discovered for dementia and Alzheimer’s disease. Thus, early diagnosis is necessary to avoid the development of these diseases. In this study, efficient machine learning algorithms were assessed to evaluate the Open Access Series of Imaging Studies (OASIS) dataset for dementia diagnosis. Two CNN models (AlexNet and ResNet-50) and hybrid techniques between deep learning and machine learning (AlexNet+SVM and ResNet-50+SVM) were also evaluated for the diagnosis of Alzheimer’s disease. For the OASIS dataset, we balanced the dataset, replaced the missing values, and applied the t-Distributed Stochastic Neighbour Embedding algorithm (t-SNE) to represent the high-dimensional data in the low-dimensional space. All of the machine learning algorithms, namely, Support Vector Machine (SVM), Decision Tree, Random Forest and K Nearest Neighbours (KNN), achieved high performance for diagnosing dementia. The random forest algorithm achieved an overall accuracy of 94% and precision, recall and F1 scores of 93%, 98% and 96%, respectively. The second dataset, the MRI image dataset, was evaluated by AlexNet and ResNet-50 models and AlexNet+SVM and ResNet-50+SVM hybrid techniques. All models achieved high performance, but the performance of the hybrid methods between deep learning and machine learning was better than that of the deep learning models. The AlexNet+SVM hybrid model achieved accuracy, sensitivity, specificity and AUC scores of 94.8%, 93%, 97.75% and 99.70%, respectively.
format article
author Badiea Abdulkarem Mohammed
Ebrahim Mohammed Senan
Taha H. Rassem
Nasrin M. Makbol
Adwan Alownie Alanazi
Zeyad Ghaleb Al-Mekhlafi
Tariq S. Almurayziq
Fuad A. Ghaleb
author_facet Badiea Abdulkarem Mohammed
Ebrahim Mohammed Senan
Taha H. Rassem
Nasrin M. Makbol
Adwan Alownie Alanazi
Zeyad Ghaleb Al-Mekhlafi
Tariq S. Almurayziq
Fuad A. Ghaleb
author_sort Badiea Abdulkarem Mohammed
title Multi-Method Analysis of Medical Records and MRI Images for Early Diagnosis of Dementia and Alzheimer’s Disease Based on Deep Learning and Hybrid Methods
title_short Multi-Method Analysis of Medical Records and MRI Images for Early Diagnosis of Dementia and Alzheimer’s Disease Based on Deep Learning and Hybrid Methods
title_full Multi-Method Analysis of Medical Records and MRI Images for Early Diagnosis of Dementia and Alzheimer’s Disease Based on Deep Learning and Hybrid Methods
title_fullStr Multi-Method Analysis of Medical Records and MRI Images for Early Diagnosis of Dementia and Alzheimer’s Disease Based on Deep Learning and Hybrid Methods
title_full_unstemmed Multi-Method Analysis of Medical Records and MRI Images for Early Diagnosis of Dementia and Alzheimer’s Disease Based on Deep Learning and Hybrid Methods
title_sort multi-method analysis of medical records and mri images for early diagnosis of dementia and alzheimer’s disease based on deep learning and hybrid methods
publisher MDPI AG
publishDate 2021
url https://doaj.org/article/2502dcac4a47464788e01fe8dc0d1749
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