{"id":1040,"date":"2023-08-10T15:23:28","date_gmt":"2023-08-10T15:23:28","guid":{"rendered":"https:\/\/pediatricbrainfoundation.org\/archive\/intact-brain\/"},"modified":"2023-08-10T15:23:28","modified_gmt":"2023-08-10T15:23:28","slug":"intact-brain","status":"publish","type":"page","link":"https:\/\/pediatricbrainfoundation.org\/archive\/intact-brain\/","title":{"rendered":"Intact brain"},"content":{"rendered":"
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Seeing the inner workings of the brain made easier by new technique from Stanford scientists <\/a><\/h2>\n
\n Thursday, June 19, 2014<\/span>  \u00b7  Posted by Stanford University <\/a> <\/div>\n

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When you look at the brain, what you see is the fatty outer covering of the nerve cells within, which blocks microscopes from taking images of the intricate connections between deep brain cells. The idea behind CLARITY was to eliminate that fatty covering while keeping the brain intact, complete with all its intricate inner wiring.
\nTo help expand the use of CLARITY, the team devised an alternate way of pulling out the fat from the hydrogel-embedded brain \u2013 a technique they call passive CLARITY. It takes a little longer, but still removes all the fat, is much easier and does not pose a risk to the tissue. “Electrophoretic CLARITY is important for cases where speed is critical, and for some tissues,” said Deisseroth, who is also the D.H. Chen Professor. “But passive CLARITY is a crucial advance for the community, especially for neuroscience.” Passive CLARITY requires nothing more than some chemicals, a warm bath and time.
\nMany groups have begun to apply CLARITY to probe brains donated from people who had diseases like epilepsy or autism, which might have left clues in the brain to help scientists understand and eventually treat the disease. But scientists, including Deisseroth, had been wary of trying electrophoretic CLARTY on these valuable clinical samples with even a very low risk of damage. “It’s a rare and precious donated sample, you don’t want to have a chance of damage or error,” Deisseroth said. “Now the risk issue is addressed, and on top of that you can get the data very rapidly.”\n<\/div>\n<\/p><\/div>\n<\/div>\n<\/article>\n

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