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Common symptoms include acting out dreams in sleep and seeing things that aren't there, known as visual hallucinations. Symptoms also include problems with focus and attention. Other signs include uncoordinated or slow movement, tremors, and stiffness, known as parkinsonism. Frontotemporal dementia.
Overall there are more women with the disease because they tend to live longer than men. Mild cognitive impairment Someone with mild cognitive impairment, also called MCI, has a bigger decline in memory or other thinking skills than is usual for the person's age.
Young-onset Alzheimer's disease is an uncommon form of dementia that affects people younger than age 65. The condition also is called early-onset Alzheimer's disease. Most people with Alzheimer's are age 65 and older. About 1 in 9 people age 65 and older in the United States has Alzheimer's disease.
To diagnose the cause of dementia, a health care professional must recognize the pattern of loss of skills and function. The care professional also determines what the person is still able to do. More recently, biomarkers have become available to make a more accurate diagnosis of Alzheimer's disease.
Alzheimer's disease is often diagnosed in the mild dementia stage. This is when it becomes clear to family and doctors that a person is having significant trouble with memory and thinking. The symptoms impact daily functioning. In the mild dementia stage, people may experience:
Dementia usually begins gradually, worsens over time, and affects a person's abilities in work, social interactions and relationships. Often, memory loss that disrupts your life is one of the first or more recognizable symptoms of dementia.
Vascular dementia symptoms vary, depending on the part of your brain where blood flow is impaired. Symptoms often overlap with those of other types of dementia, especially Alzheimer's disease dementia.
Lewy body dementia causes a decline in mental abilities that gradually gets worse over time. People with Lewy body dementia might see things that aren't there. This is known as visual hallucinations.
To diagnose Alzheimer's dementia, healthcare professionals conduct tests to measure memory impairment and other thinking skills. They also judge functional abilities and identify behavior changes. A series of tests can rule out other possible causes of symptoms.
Frontotemporal dementia (FTD) is an umbrella term for a group of brain diseases that mainly affect the frontal and temporal lobes of the brain. These areas of the brain are associated with personality, behavior and language. In frontotemporal dementia, parts of these lobes shrink, known as atrophy.