Measure your brain’s processing speed, attention span and focus with these free tests:

Free Cognitive Function & Brain Processing Speed Test

This test measures cognitive processing speed and attention. Please review the tutorial first if this is your first time taking the cognitive performance test, — it’s worth the time to understand how to take this test. The goal of this cognitive function test is both accuracy and performance speed. A reaction speed of under 500 milliseconds is considered good performance, and very hard to accomplish the first few times taking the test.

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Important Note and Medical Disclaimer: These tests cannot substitute for medical advice or diagnosis of Alzheimer’s Disease, memory loss, dementia, or mild cognitive impairment.