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Brain age is the estimate of biological age derived from neuroimaging datasets using machine learning algorithms. Increasing \textit{brain age gap} characterized by an elevated brain age relative to the chronological age can reflect…

Machine Learning · Computer Science 2025-01-06 Saurabh Sihag , Gonzalo Mateos , Alejandro Ribeiro

In computational neuroscience, there has been an increased interest in developing machine learning algorithms that leverage brain imaging data to provide estimates of "brain age" for an individual. Importantly, the discordance between brain…

Quantitative Methods · Quantitative Biology 2023-10-30 Saurabh Sihag , Gonzalo Mateos , Corey McMillan , Alejandro Ribeiro

The deviation between chronological age and biological age is a well-recognized biomarker associated with cognitive decline and neurodegeneration. Age-related and pathology-driven changes to brain structure are captured by various…

Machine Learning · Computer Science 2022-11-01 Saurabh Sihag , Gonzalo Mateos , Corey McMillan , Alejandro Ribeiro

Brain age is the estimate of biological age derived from neuroimaging datasets using machine learning algorithms. Increasing brain age with respect to chronological age can reflect increased vulnerability to neurodegeneration and cognitive…

Quantitative Methods · Quantitative Biology 2024-02-13 Saurabh Sihag , Gonzalo Mateos , Alejandro Ribeiro

Age is an important variable to describe the expected brain's anatomy status across the normal aging trajectory. The deviation from that normative aging trajectory may provide some insights into neurological diseases. In neuroimaging,…

Computer Vision and Pattern Recognition · Computer Science 2023-04-14 Huy-Dung Nguyen , Michaël Clément , Boris Mansencal , Pierrick Coupé

Brain age estimation from Magnetic Resonance Images (MRI) derives the difference between a subject's biological brain age and their chronological age. This is a potential biomarker for neurodegeneration, e.g. as part of Alzheimer's disease.…

Computer Vision and Pattern Recognition · Computer Science 2020-10-02 Kyriaki-Margarita Bintsi , Vasileios Baltatzis , Arinbjörn Kolbeinsson , Alexander Hammers , Daniel Rueckert

Estimating brain age (BA) from T1-weighted magnetic resonance images (MRIs) provides a powerful framework for quantifying anatomical brain aging. Whereas global BA (GBA) summarizes overall brain health, local BA (LBA) provides cortically…

The difference between the chronological and biological brain age of a subject can be an important biomarker for neurodegenerative diseases, thus brain age estimation can be crucial in clinical settings. One way to incorporate multimodal…

Brain Age (BA) estimation via Deep Learning has become a strong and reliable bio-marker for brain health, but the black-box nature of Neural Networks does not easily allow insight into the features of brain ageing.We trained a ResNet model…

Neurons and Cognition · Quantitative Biology 2022-07-26 Daniel Taylor , Jonathan Shock , Deshendran Moodley , Jonathan Ipser , Matthias Treder

Dementia is a progressive neurodegenerative disorder with multiple etiologies, including Alzheimer's disease, Parkinson's disease, frontotemporal dementia, and vascular dementia. Its clinical and biological heterogeneity makes diagnosis and…

Machine Learning · Computer Science 2025-09-24 Niharika Tewari , Nguyen Linh Dan Le , Mujie Liu , Jing Ren , Ziqi Xu , Tabinda Sarwar , Veeky Baths , Feng Xia

Machine learning analysis of neuroimaging data can accurately predict chronological age in healthy people and deviations from healthy brain ageing have been associated with cognitive impairment and disease. Here we sought to further…

Exploring the complex structure of the human brain is crucial for understanding its functionality and diagnosing brain disorders. Thanks to advancements in neuroimaging technology, a novel approach has emerged that involves modeling the…

Machine Learning · Computer Science 2024-06-06 Xuexiong Luo , Jia Wu , Jian Yang , Shan Xue , Amin Beheshti , Quan Z. Sheng , David McAlpine , Paul Sowman , Alexis Giral , Philip S. Yu

Mapping the connectome of the human brain using structural or functional connectivity has become one of the most pervasive paradigms for neuroimaging analysis. Recently, Graph Neural Networks (GNNs) motivated from geometric deep learning…

Neurons and Cognition · Quantitative Biology 2022-11-30 Hejie Cui , Wei Dai , Yanqiao Zhu , Xuan Kan , Antonio Aodong Chen Gu , Joshua Lukemire , Liang Zhan , Lifang He , Ying Guo , Carl Yang

MRI-based brain age estimation models aim to assess a subject's biological brain age based on information, such as neuroanatomical features. Various factors, including neurodegenerative diseases, can accelerate brain aging and measuring…

Computer Vision and Pattern Recognition · Computer Science 2025-12-01 Simon Joseph Clément Crête , Marta Kersten-Oertel , Yiming Xiao

Analyzing connections between brain regions of interest (ROI) is vital to detect neurological disorders such as autism or schizophrenia. Recent advancements employ graph neural networks (GNNs) to utilize graph structures in brains,…

Machine Learning · Computer Science 2024-01-03 Falih Gozi Febrinanto , Mujie Liu , Feng Xia

Deep learning models have achieved state-of-the-art results in estimating brain age, which is an important brain health biomarker, from magnetic resonance (MR) images. However, most of these models only provide a global age prediction, and…

Image and Video Processing · Electrical Eng. & Systems 2023-08-25 Neha Gianchandani , Mahsa Dibaji , Mariana Bento , Ethan MacDonald , Roberto Souza

Chronological age of healthy people is able to be predicted accurately using deep neural networks from neuroimaging data, and the predicted brain age could serve as a biomarker for detecting aging-related diseases. In this paper, a novel 3D…

Image and Video Processing · Electrical Eng. & Systems 2021-06-08 Jian Cheng , Ziyang Liu , Hao Guan , Zhenzhou Wu , Haogang Zhu , Jiyang Jiang , Wei Wen , Dacheng Tao , Tao Liu

Graph convolutional networks (GCN) leverage topology-driven graph convolutional operations to combine information across the graph for inference tasks. In our recent work, we have studied GCNs with covariance matrices as graphs in the form…

Machine Learning · Computer Science 2023-05-08 Saurabh Sihag , Gonzalo Mateos , Corey T. McMillan , Alejandro Ribeiro

Recent years have seen a surge in research focused on leveraging graph learning techniques to detect neurodegenerative diseases. However, existing graph-based approaches typically lack the ability to localize and extract the specific brain…

Computer Vision and Pattern Recognition · Computer Science 2025-06-16 Nguyen Linh Dan Le , Jing Ren , Ciyuan Peng , Chengyao Xie , Bowen Li , Feng Xia
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