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Objective: This paper presents an Alzheimer's disease (AD) detection method based on learning structural similarity between Magnetic Resonance Images (MRIs) and representing this similarity as a graph. Methods: We construct the similarity…

Computer Vision and Pattern Recognition · Computer Science 2021-03-01 Kuo Yang , Emad A. Mohammed , Behrouz H. Far

Alzheimer's disease (AD) and Parkinson's disease (PD) are the two most common neurodegenerative disorders in humans. Because a significant percentage of patients have clinical and pathological features of both diseases, it has been…

Quantitative Methods · Quantitative Biology 2019-06-10 Dhruv Agarwal , Abhishek Srivastava , Edward W Huang

We employ the Hopfield model as a simplified framework to explore both the memory deficits and the biochemical processes characteristic of Alzheimer's disease. By simulating neuronal death and synaptic degradation through increasing the…

Neurons and Cognition · Quantitative Biology 2024-10-11 Sai Nag Anurag Nangunoori , Akshara Karthic Mahadevan

Alzheimer's disease (AD), characterized by progressive cognitive decline and memory loss, presents a formidable global health challenge, underscoring the critical importance of early and precise diagnosis for timely interventions and…

Image and Video Processing · Electrical Eng. & Systems 2024-10-01 Arindam Majee , Avisek Gupta , Sourav Raha , Swagatam Das

Alzheimer's disease (AD) is the most common form of dementia, which causes problems with memory, thinking and behavior. Growing evidence has shown that the brain connectivity network experiences alterations for such a complex disease.…

Methodology · Statistics 2020-05-29 Chen Hao , Guo Ying , He Yong , Ji Jiadong , Liu Lei , Shi Yufeng , Wang Yikai , Yu Long , Zhang Xinsheng

Alzheimer's disease (AD) is the most prevalent neurodegenerative disorder, primarily affecting the elderly population and leading to significant cognitive decline. This decline manifests in various mental faculties such as attention,…

Machine Learning · Computer Science 2025-04-22 Emine Akpinar

Functional MRI is a neuroimaging technique that analyzes the functional activity of the brain by measuring blood-oxygen-level-dependent signals throughout the brain. The derived functional features can be used for investigating brain…

Neurons and Cognition · Quantitative Biology 2026-02-16 Giorgio Dolci , Silvia Saglia , Lorenza Brusini , Vince D. Calhoun , Ilaria Boscolo Galazzo , Gloria Menegaz

This study presents an innovative method for Alzheimer's disease diagnosis using 3D MRI designed to enhance the explainability of model decisions. Our approach adopts a soft attention mechanism, enabling 2D CNNs to extract volumetric…

Image and Video Processing · Electrical Eng. & Systems 2024-10-02 Gabriele Lozupone , Alessandro Bria , Francesco Fontanella , Frederick J. A. Meijer , Claudio De Stefano

Anomaly detection and localization in medical imaging remain critical challenges in healthcare. This paper introduces Spatial-MSMA (Multiscale Score Matching Analysis), a novel unsupervised method for anomaly localization in volumetric…

Computer Vision and Pattern Recognition · Computer Science 2024-07-19 Ahsan Mahmood , Junier Oliva , Martin Styner

Understanding the distinction between causation and correlation is critical in Alzheimer's disease (AD) research, as it impacts diagnosis, treatment, and the identification of true disease drivers. This experiment investigates the…

Artificial Intelligence · Computer Science 2025-06-13 Hamzah Dabool , Raghad Mustafa

In medical image analysis, the subtle visual characteristics of many diseases are challenging to discern, particularly due to the lack of paired data. For example, in mild Alzheimer's Disease (AD), brain tissue atrophy can be difficult to…

Image and Video Processing · Electrical Eng. & Systems 2022-09-27 Siyu Liu , Linfeng Liu , Xuan Vinh , Stuart Crozier , Craig Engstrom , Fatima Nasrallah , Shekhar Chandra

Despite progress in deep learning for Alzheimer's disease (AD) diagnostics, models trained on structural magnetic resonance imaging (sMRI) often do not perform well when applied to new cohorts due to domain shifts from varying scanners,…

Computer Vision and Pattern Recognition · Computer Science 2026-01-12 Zobia Batool , Diala Lteif , Vijaya B. Kolachalama , Huseyin Ozkan , Erchan Aptoula

Alterations in retinal layer thickness, measurable using Optical Coherence Tomography (OCT), have been associated with neurodegenerative diseases such as Alzheimer's disease (AD). While previous studies have mainly focused on segmented…

Computer Vision and Pattern Recognition · Computer Science 2025-11-10 Yasemin Turkan , F. Boray Tek , M. Serdar Nazlı , Öykü Eren

Deep neural networks currently provide the most advanced and accurate machine learning models to distinguish between structural MRI scans of subjects with Alzheimer's disease and healthy controls. Unfortunately, the subtle brain alterations…

Image and Video Processing · Electrical Eng. & Systems 2022-07-26 Di Wang , Nicolas Honnorat , Peter T. Fox , Kerstin Ritter , Simon B. Eickhoff , Sudha Seshadri , Mohamad Habes

MRI-based entorhinal cortical thickness (eCT) measurements predict cognitive decline in Alzheimer's disease (AD) with low cost and minimal invasiveness. Two prominent imaging paradigms, FreeSurfer (FS) and Advanced Normalization Tools…

Applications · Statistics 2022-04-08 Jesse W. Birchfield , Nicholas J. Tustison , Andrew J. Holbrook

Structural magnetic resonance imaging (sMRI) can identify subtle brain changes due to its high contrast for soft tissues and high spatial resolution. It has been widely used in diagnosing neurological brain diseases, such as Alzheimer…

Image and Video Processing · Electrical Eng. & Systems 2023-11-14 Xin Zhang , Liangxiu Han , Lianghao Han , Haoming Chen , Darren Dancey , Daoqiang Zhang

Machine learning approaches for Alzheimer's disease (AD) diagnosis face a fundamental challenges. Clinical assessments are expensive and invasive, leaving ground truth labels available for only a fraction of neuroimaging datasets. We…

Machine Learning · Computer Science 2026-03-23 Alireza Moayedikia , Sara Fin

Although Alzheimer's disease detection via MRIs has advanced significantly thanks to contemporary deep learning models, challenges such as class imbalance, protocol variations, and limited dataset diversity often hinder their generalization…

Computer Vision and Pattern Recognition · Computer Science 2025-06-02 Zobia Batool , Huseyin Ozkan , Erchan Aptoula

Alzheimer's disease (AD) is a progressive neurodegenerative disorder and a major cause of dementia. Structural MRI is widely used to analyze AD-related brain atrophy; however, most deep learning methods rely on computationally expensive 3D…

Computer Vision and Pattern Recognition · Computer Science 2026-04-28 Towhidul Islam , Mufti Mahmud

Early diagnosis of Alzheimer's disease (AD) is critical for intervention before irreversible neurodegeneration occurs. Structural MRI (sMRI) is widely used for AD diagnosis, but conventional deep learning approaches primarily rely on…

Image and Video Processing · Electrical Eng. & Systems 2025-03-04 Shijia Zhang , Xiyu Ding , Brian Caffo , Junyu Chen , Cindy Zhang , Hadi Kharrazi , Zheyu Wang