So what are the earliest symptoms of dementia?

Earliest Symptoms. Short term memory loss, difficulty performing familiar tasks, changes in mood, behavior, or personality, language problems, word-finding difficulties, decreased judgment, loss of initiative, problems keeping track of things, disorientation to time or place, if you’re experiencing any of these symptoms or are concerned about a friend or relative, talk with your doctor about your concerns.
Vary greatly. Dependent on the causes of the dementia; the earliest sxs can be a personality change; emotional lability; changes in balance or tremors; depression; and the reality that the person "forgot that they forgot, ".