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 Map

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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The neurons that respond to novelty

February 26, 2020

When mice see unfamiliar images, certain neurons in the visual part of their brains kick into high gear. Scientists think these neurons could be involved in learning. 

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From brains to big data: How neuroscientists scale up research

February 12, 2020

A neuron’s months-long journey through the many sterile-gloved hands that make up a science pipeline

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These visual neurons don’t work the way scientists thought, study finds

December 16, 2019

Less than 10% of neurons in the mouse visual system behave the way scientists thought most such cells work to perceive the outside world. What the other 90% are doing is far from clear.