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.


Cognitive Snapshot

  • Estimated Time: 12 minutes

  • 9781 brains completed

What are your cognitive skills?


Fear, Anger, and Joy

  • Estimated Time: 20 minutes

  • 654 brains completed

How sensitive are you to different emotions?


Cognitive Style

  • Estimated Time: 8 minutes

  • 9785 brains completed

What is your cognitive style?


Visual Reasoning

  • Estimated Time: 5 minutes

  • 11131 brains completed

Spot the pattern to complete the puzzle.


Your Favorite Things

  • Estimated Time: 6 minutes

  • 12595 brains completed

What images do you find appealing? How similar are you to the average person?


Famous Faces

  • Estimated Time: 8 minutes

  • 31123 brains completed

Can you identify famous people from their faces?