Neuroscience In Action:
Mechanisms Behind Alzheimer's Disease
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Purpose
Background
How Alzheimer's Disease Affects the Brain
Main Characteristics of Alzheimer's
Causes and Risk Factors
Types of AD
Stages of AD
Stage 1: Preclinical Stage
Stage 2: Early Stage
Stage 3: Early Stage
Stage 4: Early Stage
Stage 5: Moderate Stage
Stage 6: Moderate Stage
Stage 7: Final Stage
Treatments
Sources
Stage 7: Final Stage
Description
Severe Impairment
Assistance is required to complete all daily activities
Communication is severely impaired
Symptoms
Very severe cognitive decline
Loss in ability to respond to environment, carry a conversation, and control movement
Reflexes become abnormal and chewing and swallowing is impaired
Patient becomes unresponsive
Vulnerable to pneumonia and other illnesses
Eventually may lead to a coma or death
Treatments