Change in sleep patterns, insomnia or need for sleep increase.
Disorientation. Being confused about people, places or times.
Decrease in problem-solving skills. You may having problems making calculation or feel like you are unable to learn, think abstractly, or think in general terms.
Having a hard time recognizing familiar objects or people and recognizing through the senses.
Having a hard time with language. This includes unable to form words, name objects, read or write, repeat a phase, speak without muscle paralysis, understand speech.
Short and or long term memory problems.
Personality changes such as anxiety, loose the ability to care for oneself, decrease interest in daily living activities, depression, no mood, irritability, poor temper control, unable to interact socially, unable to make decisions.
If dementia is reversible than the doctor will try the following: Vitamins for B12 deficiency, thyroid hormones, having a surgery to remove brain tumors, stop/change any medicines that could be causing memory loss or confusion, and medication for depression.
If dementia is not reversible then the plan is to control the symptoms.