The human brain is the most complex piece of organized matter in the known universe. We’re working to uncover its mysteries.

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Our brains are what make us human. They give rise to our thoughts, actions, movements and desires, store our memories, and enable us to navigate our world every day. Yet despite decades of research—and impressive knowledge gathered about other aspects of the human body, including our entire genetic sequence—the brain remains largely unknown. 

The Allen Institute for Brain Science was established to answer some of the most pressing questions in neuroscience, grounded in an understanding of the brain and inspired by our quest to uncover the essence of what makes us human. 

Our Impact

See how researcher Randy Ellis uses the Allen Brain Observatory dataset as he works to find new ways to treat drug addiction.

Allen Brain Atlas

Access our online resources to investigate gene expression, connectivity, single cell morphology, electrophysiology data and more from mouse and human brains.

Brain Science News

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5 unsolved mysteries about the brain

March 14, 2019

Can we understand our own brains? We have a long way to go, neuroscientists say.

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Scientists are creating virtual simulations of the brain to better understand the real thing

March 11, 2019

The Allen Institute for Brain Science’s experiments generate massive amounts of data. How to make sense of it all? Computational models can help.

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An ancient pathway that relays visual information in the mammalian brain

March 7, 2019

Researchers found that a mysterious part of the brain known as the pulvinar responds to small moving objects, possibly allowing instinctive reactions like capturing prey