A person has trouble remembering recent events, learning new things, retaining information and concentrating. Speech is slightly impaired. A person confuses one word for another or can's find the right word. Hygiene is neglected. Clothing may be soiled or disheveled, and bathing and grooming forgotten.
Judgment is hindered and thinking abstractly is difficult.
Emotional responses are erratic and exaggerated. A person may become upset, anxious, angry or depressed, often in response to the changes taking place. A person may exhibit bizarre behavior, such as getting lost on the way to the bathroom, hiding away food or other items or becoming outraged for no apparent reason. Short-term memory is gone. A person is unable to learn new information or skills.