Posted: 2020-08-05 8:21:07

These Scientists Just Completed a 3D ‘Google Earth’ for the Brain

“In other words, rather than “just another” human brain map, the Julich-Brain atlas is its own neuromapping API”

From Shelly Fan at Singularity Hub
Originally published 2020-08-05
Enter a new kind of map: the Julich-Brain, a probabilistic map of human brains that accounts for individual differences using a computational framework. Rather than generating a static PDF of a brain map, the Julich-Brain atlas is also dynamic, in that it continuously changes to incorporate more recent brain mapping results. So far, the map has data from over 24,000 thinly sliced sections from 23 postmortem brains covering most years of adulthood at the cellular level. But the atlas can also continuously adapt to progress in mapping technologies to aid brain modeling and simulation, and link to other atlases and alternatives.
First, the team acquired MRI scans of 23 postmortem brains, sliced the brains into wafer-thin sections, and scanned and digitized them. They corrected distortions from the chopping using data from the MRI scans and then lined up neurons in consecutive sections—picture putting together a 3D puzzle—to reconstruct the whole brain. Overall, the team had to analyze 24,000 brain sections, which prompted them to build a computational management system for individual brain sections
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Tags:brain,brain atlas,human brain map,kind of map,different brain region,human brain project,cytoarchitecture map,probabilistic map,mapping technology,postmortem brain,Experts,Featured,Neuroscience
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