Spark-based Alzheimer’s disease classification using hybrid spike Google-deep CNN-SEViT model S. L. Abhaya and T. Dhiliphan Rajkumar Eur. Phys. J. Plus, 140 8 (2025) 756 Published online: 13 August 2025 DOI: 10.1140/epjp/s13360-025-06673-7