Brain explorers has decreased for 14 months in Antarctica

Мозг полярников уменьшился за 14 месяцев в Антарктиде

The volume of the brain explorers fell after months in Antarctica

The scientists noted reduced brain volumes, as well as a reduction in the blood protein responsible for cell division.

German scientists have measured the brain volume of the participants of the expedition to Antarctica. The study showed that in 14 months he has declined, according to N+1.

The researchers chose nine people – five men and four women, who spent 14 months in German Neumayer station-3.

Eight subjects had MRI before and after the expedition and during the stay in Antarctica all explorers gave blood and took tests that determine cognitive ability.

Scientists found that in 14 months the participants decreased volume of the hippocampus. Most of all it affected the dentate gyrus – it shrank by 7.2%. This reduction in volume was associated with lower scores for the tests associated with attention and spatial orientation, but did not affect other cognitive abilities.

In addition, in the blood of polar explorers became less neurotrophic factor is a brain protein that is responsible for cell division in the brain. All explorers after the return of the worse passed the tests for attention and orientation in space.

Earlier, Japanese scientists revived the brain dead for a few weeks. At the Cambridge stem cell Institute scientists were able to rejuvenate the old brain.

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