Biomarkers are measurable, biological characteristics that signal whether things are normal or abnormal in the body.

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Doctors use measurable, biological indicators to help diagnose and monitor Alzheimer’s disease.

This primer outlines the different types of biomarkers (including those detected in the blood, the eye, or even a person’s speech) and how they appear in brain scans. Genetics also plays a role in biomarker testing.

In this guide, you’ll learn about:

• Different types of Alzheimer’s biomarkers
• The diagnostics landscape including cerebrospinal fluid tests and blood biomarker tests
• What a healthy brain versus a brain with Alzheimer’s looks like
• The future of biomarker diagnostics