impaired cellular signaling in the hippocampus and prefrontal cortex tagged posts

How Deep Space Travel could affect the Brain

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Radiation exposure alters the electrophysiological properties of neurons in the hippocampus. The image is credited to Acharya et al., eNeuro 2019.

Radiation exposure impairs learning and memory, causes anxiety. Exposure to chronic, low dose radiation – the conditions present in deep space – causes neural and behavioral impairments in mice, researchers report in eNeuro. These results highlight the pressing need to develop safety measures to protect the brain from radiation during deep space missions as astronauts prepare to travel to Mars.

Radiation is known to disrupt signaling among other processes in the brain. However, previous experiments used short-term, higher dose-rate exposures of radiation, which does not accurately reflect the conditions in space.

To investigate how d...

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