Optimized VGG features with SpikeGoogle-Deep CNN for Alzheimer’s disease detection S. L. Abhaya and T. Dhiliphan Rajkumar Eur. Phys. J. Plus, 140 5 (2025) 447 Published online: 26 May 2025 DOI: 10.1140/epjp/s13360-025-06359-0