Can adults make new brain cells? New study may finally settle one of neuroscience's greatest debates

Illustration of purple neurons firing signals against a dark background.

Researchers say they have found clear evidence that the human brain can keep making new neurons well into adulthood, potentially settling decades of controversy.

This new neuron growth, or "neurogenesis," takes place in the hippocampus, a critical part of the brain involved in learning, memory and emotions.