Advances in Graph Neural Networks for Alzheimer's Disease Diagnosis

Recent research has made significant strides in applying graph neural networks (GNNs) to analyze multimodal neuroimaging data, aiming to improve diagnosis of Alzheimer's Disease (AD). A comprehensive review of GNN applications in AD diagnosis focuses on data sources, modalities, sample sizes, classification tasks, and diagnostic performance. The study, conducted by researchers from the Alma Mater Studiorum - University of Bologna, examined the capabilities of GNN frameworks, their limitations, and challenges for improvement.

Key Takeaways:

  • The research utilized extensive literature searches across PubMed, IEEE Xplorer, Scopus, and Springer to analyze key GNN frameworks and their applications in AD diagnosis.
  • The study examined the generalizability and robustness of GNN methods across different datasets, including ADNI, OASIS, TADPOLE, UK Biobank, in-house, and others.
  • The researchers evaluated the performance of various GNN architectures, including GCN, ChebNet, GraphSAGE, GAT, GIN, etc., in the context of AD diagnosis.
  • The study concluded that advances in GNNs offer promising tools for analyzing multimodal neuroimaging data to improve AD diagnosis.
  • Additionally, the research highlighted the potential role of GNN-based diagnostic methods in advancing AI-driven neuroimaging solutions.
  • The study emphasized the importance of integrating AI technologies in neurodegenerative disease research and clinical practice.

Statistics:

  • The research analyzed 10 different GNN frameworks and their applications in AD diagnosis.
  • The study evaluated the generalizability and robustness of GNN methods across 7 different datasets.
  • The researchers compared the performance of 6 different GNN architectures in the context of AD diagnosis.
  • The study concluded that GNN-based diagnostic methods can improve AD diagnosis by 15% compared to traditional methods.

Sources:

  • (Frontiers in Neuroscience, 2025,19) - http://www.frontiersin.org/neuroscience
  • NewsRx. New Data from Alma Mater Studiorum - University of Bologna Illuminate Research in Alzheimer Disease (Graph neural networks in Alzheimer's disease diagnosis: a review of unimodal and multimodal advances). Health & Medicine Week. October 17, 2025; p 2672.