This is the demo code for the following paper: Hao Guan, Ling Yue, Pew-Thian Yap, Shifu Xiao, Andrea Bozoki, Mingxia Liu. Attention-Guided Autoencoder for Automated Progression Prediction of Subjective Cognitive Decline with Structural MRI. IEEE Journal of Biomedical and Health Informatics, DOI: 10.1109/JBHI.2023.3257081, 2023.