Understanding exactly how the human brain develops and functions is the greatest challenge of modem biology. Most of what we have learned about the organ since the birth of neuroscience more than 100 years ago derives from experiments done on anima
Understanding exactly how the human brain develops and functions is the greatest challenge of modem biology. Most of what we have learned about the organ since the birth of neuroscience more than 100 years ago derives from experiments done on animals—frequently mice or rats.