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Gliomas can form connections with distant areas of the brain, exploiting them for their own spread and growth. Andriy Onufriyenko/Moment via Getty Images

Brain tumors are cognitive parasites – how brain cancer hijacks neural circuits and causes cognitive decline

Glioblastoma is the most aggressive type of brain cancer, causing significant decline in cognitive function. New research suggests a common anti-seizure drug could help control tumor growth.
Just a few millimeters across, organoids are clumps of cells that resemble the brain. Madeline Andrews, Arnold Kriegstein's lab, UCSF

Brain organoids help neuroscientists understand brain development, but aren’t perfect matches for real brains

Brain organoids are tiny models that neuroscientists use to learn more about how the brain grows and works. But new research finds important differences between the model and the real thing.
Researchers have grown groups of brain cells in the lab – known as ‘organoids’ – that produce brain waves resembling those found in premature infants. from www.shutterstock.com

Fresh urgency in mapping out ethics of brain organoid research

Science is creating new living matter – like stem cells grown to create brain tissues in the lab. With power comes responsibility and what matters is an ethical question, not a scientific one.

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