Leveraging AM and FM Rhythm Spectrograms for Dementia Classification and Assessment. - Parismita Gogoi; Vishwanath Pratap Singh; Seema Khadirnaikar; Soma Siddhartha; Sishir Kalita; Jagabandhu Mishra; Md. Sahidullah; Priyankoo Sarmah; S. R. M. Prasanna (CoRR, 2025)