The human brain is not a single organ, but two separate systems that evolved independently before fusing together, according to groundbreaking new research. … Armed with the knowledge of how hindbrain cells uniquely form, the team has successfully turned human stem cells into becoming functional hindbrain motor neurons in a lab for the first time.

    • naught@sh.itjust.works
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      9 days ago

      The left/right brain thing has always been bunk. People have entire hemispheres removed with minimal negative consequences, personality changes, etc.

  • ExtraJudgement@lemmy.world
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    9 days ago

    Maybe I’m too sleep deprived, but why does “built from two blueprints” equal “is two organs”? When the two base components fuse they become one self-contained unit.

    • Goldmage263@sh.itjust.works
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      8 days ago

      To expand on what frongt said. An organ is a collection of specialized tissues that performs certain specific tasks. The stomach is an organ, the pancreus is an organ, and together they are part of a system. If the brain is more than one organ, we can target specific parts in the tissue differences for lab cell growth (as the article suggests), targeted medicine delivery (due to differences in autonomic braincell makup vs frontal and temporal processing tissues), and the next step in research will probably be how the two brain organs develop connections which could lead to nerve pathway repair (typically very hard to achieve).

  • yesman@lemmy.world
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    9 days ago

    Now all the people who believe in brain/body dualism are going to have to decide which brain is the cockpit for our homoucli. The good news is that cryogenics is going to get cheaper now that we only have to freeze half of the brain.