Scientists have successfully transplanted clusters of human neurons into the brains of newborn rats, a striking feat of biological engineering that may pro..
Neuroscientists face a paradox. The field aims to understand the mysteries of the human mind, but studying the actual human brain cells and circuits that produce our mental lives and how they go awry in neuropsychiatric disease is incredibly challenging. After all, the brain is packed away carefully in our skulls, and people typically don’t part with samples of their brain