cognition articles
For Mars missions, what radiation component becomes the dominant concern past the Van Allen belts?
What phenomenon results when highly penetrating GCR heavy ions strike biological tissue unevenly?
What major biological response within the central nervous system is initiated by radiation exposure from heavy ions?
Damage to what specific brain function, essential for learning and memory, involves changes in connections between neurons and support cells like glia?
Which set of astronaut functions relies on an intact frontal cortex and hippocampus and may suffer cognitive impairment from radiation?
What types of countermeasures are required to address physical radiation exposure versus psychological challenges like isolation?
Protons, helium nuclei, and what other particles comprise the high-energy atomic nuclei known as Galactic Cosmic Rays (GCRs)?
What type of radiation are thicker hull materials (passive shielding) proven highly effective against but significantly less effective against GCR heavy ions?
How does the radiation exposure profile during long-duration space travel fundamentally differ from terrestrial radiation therapy regarding dose rate?