4. Creutzfeldt-Jakob Disease:
- Diagnosing this disease accurately is challenging due to its various symptoms, including sleep disorders, personality changes, aphasia, visual loss, muscle atrophy, and progressive dementia.
5. Parkinson's Dementia:
- Also quite common, patients often exhibit tremors, stiffness, slow movement, and unstable gait after the onset of the disease. It's important to distinguish it from Parkinson's Disease.
6. Progressive Supranuclear Palsy:
- A relatively rare disease, often confused with Parkinson's Disease due to similar symptoms such as unstable posture, movement disorders, eye movement disorders, dementia, etc. However, treatment methods are quite different, so it's important to differentiate.