Tiny version of human brain grown in lab

Could help treat neurological diseases

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The brain is only the size of a pea, but looks like a normal brain and has multiple cell types and all the regions of a normal brain - "equal in maturity to that of a five-week-old fetus," according to the report.

They say it could be used as a more effective and more ethical way to test the effects of drug treatments on the brain.

Click here to read more from AFP.

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