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


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


This is what it’s like to donate your brain to science

August 6, 2019

Casey Schorr underwent invasive surgery to quell the epileptic seizures that were taking over his life. Now, a small piece of his brain tissue is helping scientists better understand the human brain.


Virtual reality is helping neuroscientists better understand the brain

August 2, 2019

TeraVR lets researchers capture neurons’ 3D shapes in exquisite detail by immersing users into a virtual mouse brain


Sorting neurons by their shape and activity to understand the elements making up the brain

June 17, 2019

Large study of mouse neurons’ 3D shape and electrophysiology reveals new rules of brain architecture and neuron diversity