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Stages and Life Expectancy of Alzheimer's Disease
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Stages and Life Expectancy of Alzheimer's Disease

Understanding the Stages of Alzheimer's Disease

Overview of Alzheimer's Disease Stages

  • There are five stages associated with Alzheimer's disease: pre-clinical, mild cognitive impairment, mild dementia, moderate Alzheimer's disease, and severe Alzheimer's disease.
  • The pre-clinical stage occurs long before symptoms appear and is typically identified only in research settings; it can last for years or even decades.

Pre-Clinical Stage Insights

  • Research focuses on predicting who will develop Alzheimer’s before symptoms manifest since significant brain cell loss occurs once symptoms begin.
  • The goal is to prevent brain cells from dying rather than repairing lost functions.

Mild Cognitive Impairment (MCI)

  • MCI serves as an intermediate state between normal age-related forgetfulness and more serious memory deficits seen in Alzheimer’s.
  • Changes in cognition are noticeable but do not significantly impact daily activities; progression to Alzheimer’s may take 2 to 5 years.

Mild Dementia Characteristics

  • Individuals with mild dementia can still drive and socialize but experience memory lapses, such as forgetting familiar words or objects.
  • Diagnosis often occurs at this stage when significant memory issues become apparent to others; individuals may try to compensate for their declining memory.

Moderate Dementia Developments

  • In moderate dementia, forgetfulness increases, requiring more assistance with daily tasks; individuals may wander or develop unfounded suspicions about caregivers.
  • Behavioral changes include restlessness and potential aggressive outbursts due to confusion about relationships.

Severe Dementia Symptoms

  • In the final stage of dementia, physical decline parallels cognitive decline; patients lose abilities like walking, talking, and eating.
  • Total assistance becomes necessary for self-care tasks; individuals face a higher risk of infections like pneumonia, which is a common cause of death among those with dementia.
Video description

5 Stages of Alzheimers disease: What to expect and what to do. Dr. Paulien Moyaert describes the different stages of Alzheimer's disease and what to expect as the disease progresses, as well as the average life expectancy for someone with Alzheimer's disease. - Alzheimer’s disease is the most common type of dementia. - Other types are vascular dementia, frontotemporal dementia and lewy body dementia. - Alzheimer’s disease involves parts of the brain that control thought, memory, and language. - There are five stages associated with Alzheimer’s disease: Preclinical Alzheimer’s disease, mild cognitive impairment, mild alzheimer's disease, moderate Alzheimer’s disease, and severe Alzheimer’s disease. - On average, people with Alzheimer's disease live between 8 and 12 years after diagnosis, but some survive 20 years or more. Timecodes: 0:00 Introduction 0:20 Preclinical Alzheimer's disease 1:00 Mild Cognitive Impairment 1:26 Mild Alzheimer's disease 2:13 Real life example 2:40 Moderate Alzheimer's disease 3:14 Real life example (2) 3:26 Sever Alzheimer's disease 3:33 Mnemonic 3:58 Cause of Death 4:08 Life Expectancy 4:15 The End.