
Has noticeable memory loss.

Frequently uses words inappropriately.

Begins to lose the ability to perform normal tasks of daily living, involving muscle coordination, such as cooking, dressing, bathing, shopping, or signing a checkbook (apraxia).

May wander off, become agitated, start confusing day from night, and fail to recognize friends and relatives with whom they were very close with.

Loses the ability to recognize and use familiar objects, such as clothing (agnosia).

Becomes uncomprehending and mute.

Loses all self-care ability.

Is unable to feed, dress and bathe him or herself. If the person has a sudden onset of these symptoms or early symptoms such as seizures, gait problems, or loss of vision and coordination - it's less likely that they indicate Alzheimer's.