What are some signs of dementia?

Here are the 10 Warning Signs of Alzheimer's and Dementia:
https://www.agingcare.com/articles/alzheimers-disease-dementia-warning-signs-144253.htm

1. Forgetfulness and memory loss
2. Lack of concentration and confusion
3. Losing things
4. Difficulty doing familiar tasks
5. Language and speaking problems
6. Problems with simple math
7. Poor judgment
8. Personality changes and mood swings
9. Changes in grooming and personal hygiene
10. Withdrawing from friends and family

Hope this helps :)