From a tiny sample of tissue no larger than a grain of sand, scientists have come within reach of a goal once thought unattainable: building a complete functional wiring diagram ... whole brain level.

Researchers say they have mapped more than 200,000 cells in a cubic millimeter of brain tissue and have traced how they're ...

Get Instant Summarized Text (Gist) A comprehensive wiring diagram and functional map of a mouse brain's visual cortex, the largest to date, has been created from a cubic millimeter of tissue. This ...