WSJ(2015.5.1)記事【深宇宙放射線による宇宙飛行士の脳への影響】に関するマキノさんのツイートまとめ

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リンク WSJ Study: Deep-Space Radiation Could Damage Astronauts’ Brains Radiation encountered during an interplanetary voyage could leave astronauts confused, forgetful and slow to react to the unexpected, a NASA-funded report said.
Jun Makino @jun_makino

wsj.com/articles/study… Study: Deep-Space Radiation Could Damage Astronauts’ Brains

2015-05-05 17:20:34
Jun Makino @jun_makino

引用 : To test the neural effects of deep-space travel, a dozen researchers led by UC Irvine radiation oncologist Charles Limoli briefly

2015-05-05 17:20:48
Jun Makino @jun_makino

引用 :exposed mice to charged particles in a radiation beam at the U.S. Department of Energy ’ s Brookhaven National Laboratory in Upton, N.Y

2015-05-05 17:20:50
Jun Makino @jun_makino

引用 :Six weeks later, they tested the irradiated mice and found the lab animals lacked normal curiosity, were less active,

2015-05-05 17:20:52
Jun Makino @jun_makino

引用 :and became more easily confused, compared with a control group, the researchers said.

2015-05-05 17:20:54
Jun Makino @jun_makino

引用 : “ Their curiosity is way down, ” said Dr. Limoli. “ They don't want to explore novelties. ”

2015-05-05 17:20:56
Jun Makino @jun_makino

advances.sciencemag.org/content/1/4/e1… Research Article What happens to your brain on the way to Mars

2015-05-05 17:20:58
Jun Makino @jun_makino

これ AAAS のオープンアクセスジャーナルなのね。

2015-05-05 17:21:00
Jun Makino @jun_makino

ガンマ線とかじゃなくて酸素とかチタンの高エネルギー粒子でエネルギー は 600MeV/amu と。普通の α 線より高いので、ある程度の飛程があるのかな?

2015-05-05 17:21:02
Jun Makino @jun_makino

実験に使った被曝量は 30cGy と 5cGy と。それくらいで色々なテストの 成績が有意にさがったということのようである。

2015-05-05 17:21:04