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The UC Irvine-led study, published in Scientific Reports, adds to a growing
body of research on the harmful effects humans may reckon with as they
venture out longer and deeper into space, whether on trips to Mars or
potentially beyond.

The most logical conclusion to draw from these studies is that cosmic
radiation exposure poses a real and potentially detrimental neurocognitive
risk for prolonged deep space travel, the study authors wrote
. With the growing realization
that space is a radioactive environment comes the need to more completely
define these risks with more certainty through continued research.

Its well-known that radiation can damage neural tissue and hurt cognitive
function; cancer patients with brain tumors who need radiotherapy end up
with what the study authors called severe and progressive cognitive
deficits. But its not clear exactly what effect space radiation has on
the brain because there are different types of radiation and theyre
delivered in different doses.

http://www.latimes.com/science/sciencenow/la-sci-sn-space-brain-20161011-snap-story.html

The most logical conclusion to draw from these studies is that cosmic radiation exposure poses a real and potentially detrimental neurocognitive risk for prolonged deep space travel, the study authors
wrote
. With the growing realization that space is a radioactive environment comes the need to more completely define these risks with more certainty through continued research.
Its well-known that radiation can damage neural tissue and hurt cognitive function; cancer patients with brain tumors who need radiotherapy end up with what the study authors called severe and progressive cognitive deficits. But its not clear exactly what effect space radiation has on the brainbecause there are different types of radiation and theyre delivered in different doses.
http://www.latimes.com/science/sciencenow/la-sci-sn-space-brain-20161011-snap-story.html