The overall objective of this study is to better understand the relationship between the body and its environment, including cognitive performance, following repeated changes in gravity, including microgravity (0G) and modified gravity (i.e., hypergravity (1.8G) and modified gravity (Martian gravity)
On the eve of the next long voyages into space and the event of space tourism, it becomes more and more urgent to understand how to preserve the health of spacemen (i.e., by profession or by leisure). Extreme and unusual environments, and isolated and confined environments (EUE/ICE) are characterized by unique sensory stimulation. They are known to have negative effects on human psychology, cognitive abilities and physiology, threatening the outcome of space missions or travel. In addition, with the construction of the future Gateway base, the upcoming colonies to Mars and space tourism, travel from one point to another will be much more frequent. These raise new questions that will have to be addressed, whether it is the prolonged duration of a stay in a microgravity environment (i.e., absence of gravitational force between man and his support), in partial gravity and thus the issue of recovery from one trip to the next. These modifications of the environment imply the implementation of several adaptation processes to preserve the homeostatic capacity of the organism. This allows the organism to maintain a relatively stable internal state that persists despite external changes. Nevertheless, many questions remain unanswered. One such question is the impact of repeated changes in gravity during flight to the point of attachment (e.g., colony). The objective of the study is therefore to better understand the relationship between the body and its environment due to repeated changes in gravity, including microgravity. Beyond that, these results will contribute to enrich the knowledge of this real human challenge that is the question of the adaptation of the human being to the constraints of space travel.
Study Type
INTERVENTIONAL
Allocation
NA
Purpose
OTHER
Masking
NONE
Enrollment
24
Cognitive ans sensory performances during repetitive micro and partial gravity exposure
Caen University Hospital
Caen, France
Psychological data
Freiburg Mindfulness Inventory questionnaire of 14 items (each item has a score from 1 to 4 i.e. minimal value 14 and maximal value 56, with a couple of reversed item to score)
Time frame: one hour before the flight
Psychological data
Freiburg Mindfulness Inventory questionnaire of 14 items (each item has a score from 1 to 4 i.e. minimal value 14 and maximal value 56, with a couple of reversed item to score)
Time frame: one hour after the flight
stress
Perceived Stress Scale questionnaire: 10 item-questionnaire to perceive stress (each item from 0 to 4: minimal value 0/no stress and maximal value 40 highest stress level)
Time frame: one hour before the flight
stress
Perceived Stress Scale questionnaire: 10 item-questionnaire to perceive stress (each item from 0 to 4: minimal value 0/no stress and maximal value 40 highest stress level)
Time frame: one hour after the flight
Cognition
Cognitive test battery questionnaire, 2D and 3D testing during one session: three scores ponderated (each with 6 plots represented with a spider graph measuring the surface from arbitrary unit)
Time frame: one hour before the flight
Cognition
Cognitive test battery questionnaire, 2D and 3D testing during one session: three scores ponderated (each with 6 plots represented with a spider graph measuring the surface from arbitrary unit)
Time frame: one hour after the flight
Olfaction
Olfactive discrimination test
Time frame: one hour before the flight
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Olfaction
Olfactive discrimination test
Time frame: one hour after the flight
Posture
Ellipse of the center of gravity measurment
Time frame: one hour before the flight
Posture
Ellipse of the center of gravity measurment
Time frame: one hour after the flight
Physiological data
Heart Rate variability
Time frame: Continuous recording all along microgravity exposure up to 1hour after the end of the flight