Tags Dr. Rachael Seidler Neuromotor Behavior Laboratory Spaceflight-Associated Brain White Matter Microstructural Changes and Intracranial Fluid Redistribution, brain gray matter cortex fluid shifts ocular issues artificial gravity spaceflight mission duration MRI studies spinal fluid analog studies bed rest studies brain flotation inside the skull partial gravity skill and task adverse impact leg movement Mars Moon ISS BLEO unknowns countermeasures white matter reversible changes slowing down cognition normal aging changes child brain white matter issues risk acceptance student interest in space research IQ test psychological issues nutrition metabolic pathways Guest Dr. Rachel Seidler Tagline neuromotor issues, microgravity, human spaceflight View the discussion thread.