Stanford scientists find human brain evolved from two separate organs
Researchers at Stanford University published findings in Nature Neuroscience indicating the human brain originated as two distinct organs before merging.
Two ancient nervous systems merged
Scientists discovered that the front and back of the brain arise from totally different progenitor cells. This finding shows the organ existed as two separate structures in space during human evolutionary history. The research challenges the previous model that a single cell gives rise to the entire brain.
Jellyfish comparison highlights similarity
The study notes similarities between the human brain and jellyfish nervous systems found in different body parts. These ancient systems have evolved independently over millions of years before packaging together. The discovery allows researchers to grow hindbrain neurons in a Petri dish for study.
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