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Cited by 280

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Multi-Method Analysis of MRI Images in Early Diagnostics of Alzheimer's Disease

Open access
Wolz, Robin, Julkunen, Valtteri, Koikkalainen, Juha, Niskanen, Eini, Zhang, Dong Ping, Rueckert, Daniel, Soininen, Hilkka, Lötjönen, Jyrki, the Alzheimer's Disease Neuroimaging Initiative·2011·PLoS ONE

Abstract

The role of structural brain magnetic resonance imaging (MRI) is becoming more and more emphasized in the early diagnostics of Alzheimer's disease (AD). This study aimed to assess the improvement in classification accuracy that can be achieved by combining features from different structural MRI analysis techniques. Automatically estimated MR features used are hippocampal volume, tensor-based morphometry, cortical thickness and a novel technique based on manifold learning. Baseline MRIs acquired from all 834 subjects (231 healthy controls (HC), 238 stable mild cognitive impairment (S-MCI), 167 MCI to AD progressors (P-MCI), 198 AD) from the Alzheimer's Disease Neuroimaging Initiative (ADNI) database were used for evaluation. We compared the classification accuracy achieved with linear discriminant analysis (LDA) and support vector machines (SVM). The best results achieved with individual features are 90% sensitivity and 84% specificity (HC/AD classification), 64%/66% (S-MCI/P-MCI) and 82%/76% (HC/P-MCI) with the LDA classifier. The combination of all features improved these results to 93% sensitivity and 85% specificity (HC/AD), 67%/69% (S-MCI/P-MCI) and 86%/82% (HC/P-MCI). Compared with previously published results in the ADNI database using individual MR-based features, the presented results show that a comprehensive analysis of MRI images combining multiple features improves classification accuracy and predictive power in detecting early AD. The most stable and reliable classification was achieved when combining all available features.

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Authors
Wolz, R., Julkunen, V., Koikkalainen, J., Niskanen, E., Zhang, D. P., Rueckert, D., Soininen, H., Lötjönen, J., & Initiative, T. A. D. N.
Venue
PLoS ONE
Published
2011-10-13
Volume
6
Issue
10
Pages
e25446
ISSN
1932-6203 (ISSN-L)
OpenAlex
W2001648635
Cited by
280
References
13
FWCI
12.21
Type
journal article
Language
en
Open access
gold

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CoChat. (2026). Citation check: Multi-Method Analysis of MRI Images in Early Diagnostics of Alzheimer's Disease. https://app.cochat.ai/papers/10.1371/journal.pone.0025446
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Wolz, R., Julkunen, V., Koikkalainen, J., Niskanen, E., Zhang, D. P., Rueckert, D., Soininen, H., Lötjönen, J., & Initiative, T. A. D. N. (2011). Multi-Method Analysis of MRI Images in Early Diagnostics of Alzheimer's Disease. PLoS ONE. https://doi.org/10.1371/journal.pone.0025446

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