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The red and green brain slice (left) illustrates activity levels for a single gene. The multicolor slice (right) is a reference atlas, with different colors corresponding to different anatomical zones.

The red and green brain slice (left) illustrates activity levels for a single gene. The multicolor slice (right) is a reference atlas, with different colors corresponding to different anatomical zones.

Miller et al., Nature

Detailed Map of Developing Brain May Provide Clues to Autism

Scientists have created the most detailed map yet of the fetal human brain. By mapping the activity of about 20,000 genes in four fetal brains obtained from a tissue bank, they found several genes that were more active in the frontal context and which differ between humans and primates in ways that could shed light on brain evolution, Wired reports. The map, published today in Nature, may also provide clues to researchers looking for the origins of disorders such as autism.

See more Signal/Noise.

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