• Brain Struct Funct · Jun 2016

    Cortical reorganization in an astronaut's brain after long-duration spaceflight.

    • Athena Demertzi, Angelique Van Ombergen, Elena Tomilovskaya, Ben Jeurissen, Ekaterina Pechenkova, Carol Di Perri, Liudmila Litvinova, Enrico Amico, Alena Rumshiskaya, Ilya Rukavishnikov, Jan Sijbers, Valentin Sinitsyn, Inessa B Kozlovskaya, Stefan Sunaert, Paul M Parizel, Paul H Van de Heyning, Steven Laureys, and Floris L Wuyts.
    • Coma Science Group, Cyclotron Research Centre and Neurology Department, University of Liège, Liège, Belgium.
    • Brain Struct Funct. 2016 Jun 1; 221 (5): 2873-6.

    AbstractTo date, hampered physiological function after exposure to microgravity has been primarily attributed to deprived peripheral neuro-sensory systems. For the first time, this study elucidates alterations in human brain function after long-duration spaceflight. More specifically, we found significant differences in resting-state functional connectivity between motor cortex and cerebellum, as well as changes within the default mode network. In addition, the cosmonaut showed changes in the supplementary motor areas during a motor imagery task. These results highlight the underlying neural basis for the observed physiological deconditioning due to spaceflight and are relevant for future interplanetary missions and vestibular patients.

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