Space Radiation can Affect the Memory of Astronauts Temporarily

by Iswarya on  April 10, 2019 at 11:11 AM Research News
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While various agencies are thinking to establish new orbital space stations and send expeditions across the solar system, a team of researchers has found that space radiation could briefly hinder the formation of new cells in brains' memory centers.
Space Radiation can Affect the Memory of Astronauts Temporarily
Space Radiation can Affect the Memory of Astronauts Temporarily

The team from the Moscow Institute of Physics and Technology (MIPT), however, found that effects of low-dose neutron and gamma-ray (Y-ray) radiation had no impact on rodents' intellectual capabilities, the Sputnik news agency reported.

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It means the mice's mental abilities and behavior remained almost unaffected by the radiation, with memorization occurring as normal and the rodents behaving in ways that were no different from the non-irradiated control group.

Irradiated and non-irradiated mice "showed no differences in terms of exploratory behavior or anxiety, six weeks after the irradiation," with their "ability to form hippocampus-dependent memory also unaffected," according to the study published in the NeuroReport academic journal.

"We are not asserting that the behavior and memory of irradiated mice remained completely unaffected," Sputnik cited Alexander Lazutkin, a senior research scientist at the MIPT as saying to RIA Novosti news agency.

"The data on other types of radiation suggests that despite the apparent preservation of memories, its individual fine components may suffer. That means our work is just the beginning of this kind of research," he said.

The new research has filled an important gap in scientific knowledge in the study of the types of neutrons produced in the atmosphere or inside spacecraft during their atoms' interactions with cosmic rays, the researchers said.

Source: IANS

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