Sensorimotor performance and haptic support in simulated weightlessness. [PDF]
AbstractThe success of many space missions critically depends on human capabilities and performance. Yet, it is known that sensorimotor performance is degraded under conditions of weightlessness. Therefore, astronauts prepare for their missions in simulated weightlessness under water.
Weber B+3 more
europepmc +7 more sources
Simulated Weightlessness Perturbs the Intestinal Metabolomic Profile of Rats [PDF]
Recently, disorders of intestinal homeostasis in the space environment have been extensively demonstrated. Accumulating evidence have suggested microgravity and simulated weightlessness could induce dysbiosis of intestinal microbiota, which may ...
Mingliang Jin+5 more
doaj +5 more sources
Choroidal circulation disturbance is an initial factor in outer retinal degeneration in rats under simulated weightlessness [PDF]
Objective: Microgravity contributes to ocular injury yet the underlying mechanism remains unclear. This study aims to elucidate the mechanism behind choroidal circulation disorder and outer retinal degeneration in rats with simulated weightlessness ...
Yuxue Mu+10 more
doaj +4 more sources
Objects Mental Rotation under 7 Days Simulated Weightlessness Condition: An ERP Study [PDF]
During the spaceflight under weightlessness condition, human's brain function may be affected by the changes of physiological effects along with the distribution of blood and body fluids to the head.
Hui Wang+5 more
doaj +4 more sources
Dammarane Sapogenins Improving Simulated Weightlessness-Induced Depressive-Like Behaviors and Cognitive Dysfunction in Rats [PDF]
Background: Our studies demonstrated that the space environment has an impact on the brain function of astronauts. Numerous ground-based microgravity and social isolation showed that the space environment can induce brain function damages in humans and ...
Qiong Wang+16 more
doaj +4 more sources
Simulated weightlessness procedure, head-down bed rest has reversible effects on the metabolism of rhesus macaque [PDF]
It is a consensus in the international manned space field that factors such as microgravity during the space flight can cause anxiety, depression and other important brain function abnormalities in astronauts.
Yuting Li+16 more
doaj +3 more sources
Responses of Intestinal Mucosal Barrier Functions of Rats to Simulated Weightlessness [PDF]
Exposure to microgravity or weightlessness leads to various adaptive and pathophysiological alterations in digestive structures and physiology. The current study was carried out to investigate responses of intestinal mucosal barrier functions to ...
Mingliang Jin+7 more
doaj +6 more sources
Placenta-Expanded Stromal Cell Therapy in a Rodent Model of Simulated Weightlessness [PDF]
Long duration spaceflight poses potential health risks to astronauts during flight and re-adaptation after return to Earth. There is an emerging need for NASA to provide successful and reliable therapeutics for long duration missions when capability for ...
Linda Rubinstein+11 more
doaj +2 more sources
Simulated weightlessness procedure, head-down bed rest impairs adult neurogenesis in the hippocampus of rhesus macaque [PDF]
The microgravity environment in space can impact astronauts’ cognitive and behavioral activities. However, due to the limitations of research conditions, studies of biological changes in the primate brain, such as neurogenesis, have been comparatively ...
Xu Zhang+10 more
doaj +2 more sources
Cardiovascular System Under Simulated Weightlessness: Head-Down Bed Rest vs. Dry Immersion [PDF]
BackgroundThe most applicable human models of weightlessness are −6° head-down bed rest (HDBR) and head-out dry immersion (DI). A detailed experimental comparison of cardiovascular responses in both models has not yet been carried out, in spite of ...
Liubov Amirova+9 more
doaj +2 more sources