TestMyBrain aims to engage and collaborate with citizen scientists like you, by providing tools to help you learn about yourself. When you test yourself, you contribute to brain research.

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Mood and Cognition

  • Estimated Time: 2 weeks

Want to contribute to science while learning more about your own unique brain? The Laboratory for Brain and Cognitive Health Technology at McLean Hospital and Harvard Medical School is conducting a research study to examine how people’s emotions and thoughts change over time. This study will involve 2-3 surveys per day for two weeks (one hour on first day and then 15 minutes each day thereafter). You must be a US citizen or permanent resident to participate and will be compensated up to $75 for your time. To see if you qualify, click the GO button.


Fast Choices

  • Estimated Time: 8 minutes

How quickly can you react? Test your processing speed!


Controlling Your Attention

  • Estimated Time: 8 minutes

How well can you control your attention and cognition?


Continuous Concentration

  • Estimated Time: 8 minutes

This test looks at how well you can concentrate and sustain your attention.


Everyday Cognition

  • Estimated Time: 15 minutes

See how quickly and accurately you can complete these digital versions of everyday tasks.


Cognitive Speed

  • Estimated Time: 3 minutes

How fast are you? Is this related to how you make decisions about the future?


Famous Faces

  • Estimated Time: 8 minutes

  • 38413 brains completed

Can you identify famous people from their faces?