[header] How to recognize signs of senile dementia [title] Check for memory loss. [step] Everyone forgets things from time to time. However, dementia sufferers may have difficulty remembering recent events or familiar routes and names. 
[substeps] Everyone's memory is different, and occasional forgetfulness is common among the general population. Family members and close friends typically will be the best judges of changes in behavior from what he or she was like previously.