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.

Click Go! next to any of the studies below to get started.

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Do emotions overwhelm your life?

  • Estimated Time: 6 hours over 3 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 thoughts and feelings relate to each other over the day. This study will involve 1-3 surveys per day for three weeks (two hours on first day, 5 minutes on the second day, and then three 5 minute surveys each day thereafter). You must be a US citizen or permanent resident to participate and will be compensated up to $266 for your time. To see if you qualify, click the GO button.


Judging People and Dogs

  • Estimated Time: 4 minutes

How similar are your judgments to the judgments other people make?


Continuous Concentration

  • Estimated Time: 6 minutes

Test your concentration ability.


Test Your Vocabulary

  • Estimated Time: 7 minutes

Test your word knowledge.


Famous Faces

  • Estimated Time: 8 minutes

Can you identify famous people from their faces?