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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

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

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

Neurodegeneration, characterized by the progressive loss of neuronal structure or function, is commonly assessed in clinical practice through reductions in cortical thickness or brain volume, as visualized by structural MRI. While…

Signal Processing · Electrical Eng. & Systems 2025-10-15 Saurabh Sihag , Gonzalo Mateos , Alejandro Ribeiro

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…

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

We propose an interpretable 3D Grid-Attention deep neural network that can accurately predict a person's age and whether they have Alzheimer's disease (AD) from a structural brain MRI scan. Building on a 3D convolutional neural network, we…

Tissues and Organs · Quantitative Biology 2020-11-19 Pradeep Lam , Alyssa H. Zhu , Iyad Ba Gari , Neda Jahanshad , Paul M. Thompson

Over the years, Machine Learning models have been successfully employed on neuroimaging data for accurately predicting brain age. Deviations from the healthy brain aging pattern are associated to the accelerated brain aging and brain…

Image and Video Processing · Electrical Eng. & Systems 2023-06-23 M. Tanveer , M. A. Ganaie , Iman Beheshti , Tripti Goel , Nehal Ahmad , Kuan-Ting Lai , Kaizhu Huang , Yu-Dong Zhang , Javier Del Ser , Chin-Teng Lin

Purpose: To develop an age prediction model which is interpretable and robust to demographic and technological variances in brain MRI scans. Materials and Methods: We propose a transformer-based architecture that leverages self-supervised…

Computer Vision and Pattern Recognition · Computer Science 2025-06-24 Pengyu Kan , Craig Jones , Kenichi Oishi

Neuroimaging-driven prediction of brain age, defined as the predicted biological age of a subject using only brain imaging data, is an exciting avenue of research. In this work we seek to build models of brain age based on functional…

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

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

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 brain-age gap is one of the most investigated risk markers for brain changes across disorders. While the field is progressing towards large-scale models, recently incorporating uncertainty estimates, no model to date provides the…

The concept of biological age (BA), although important in clinical practice, is hard to grasp mainly due to the lack of a clearly defined reference standard. For specific applications, especially in pediatrics, medical image data are used…

Image and Video Processing · Electrical Eng. & Systems 2021-03-22 Karim Armanious , Sherif Abdulatif , Wenbin Shi , Shashank Salian , Thomas Küstner , Daniel Weiskopf , Tobias Hepp , Sergios Gatidis , Bin Yang

Age is one of the major known risk factors for Alzheimer's Disease (AD). Detecting AD early is crucial for effective treatment and preventing irreversible brain damage. Brain age, a measure derived from brain imaging reflecting structural…

Image and Video Processing · Electrical Eng. & Systems 2024-05-07 Jay Shah , Md Mahfuzur Rahman Siddiquee , Yi Su , Teresa Wu , Baoxin Li

Brain aging is a regional phenomenon, a facet that remains relatively under-explored within the realm of brain age prediction research using machine learning methods. Voxel-level predictions can provide localized brain age estimates that…

Computer Vision and Pattern Recognition · Computer Science 2024-04-26 Neha Gianchandani , Mahsa Dibaji , Johanna Ospel , Fernando Vega , Mariana Bento , M. 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
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