Dementia is the gradual deterioration of mental functioning that effects memory, mood, thinking, concentration, and judgment. These changes often affect a person’s ability to perform normal daily activities.
The earliest signs of dementia are usually memory problems, confusion, and changes in the way a person behaves and communicates.
Cognitive symptoms of dementia can include poor problem solving, difficulty learning new skills, and impaired decision making. Behavior changes can include fear, insecurity, anger, and often, depression like symptoms.
Dementia is caused by various diseases and conditions that result in damaged brain cells.
Brain cells can be destroyed by brain diseases, such as Alzheimer’s disease, or strokes (called vascular or multi-infarct dementia), which decrease blood flow to the brain.
Alzheimer's disease is the most common cause of dementia.
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