OpNom: 3D SpaceExperiment Overview
The Mental Representation of Spatial Cues During Space Flight (3D-Space) experiment investigates the effects of exposure to microgravity on the mental representation of spatial cues by astronauts during and after space flight. The absence of the gravitational frame of reference during space flight could be responsible for disturbances in the mental representation of spatial cues, such as the perception of horizontal and vertical lines, the perception of an object's depth, and the perception of a target's distance.Principal Investigator(s)
AnthroTronix Incorporated, Silver Springs, MD, United States
Centre National de la Recherche Scientifique, Toulouse, , France
European Space Agency (ESA)Sponsoring Organization
Information PendingResearch Benefits
Information PendingISS Expedition Duration:
April 2008 - September 2011Expeditions Assigned
17,18,19/20,21/22,23/24,25/26,27/28Previous ISS Missions
3D-Space is an ongoing investigation which began on ISS Expedition 17.
This experiment involves comparisons of preflight, inflight, and postflight perceptions and mental imagery, with special reference to spaceflight-related decreases in the vertical component of percepts. There are two methodological foci: The first uses multiple measures, stimulus production and stimulus evaluation, to disentangle perceptual and motor contributions. The second is use of a digitizing tablet for subject written input. Virtual reality is used for information display and presentation of perceptual stimulus.
Information PendingEarth Applications
Information PendingOperational Protocols
Preflight baseline data collection (BDC) will occur at approximately launch minus (L-) 90, L-60, and L-30 days. One BDC session will include performance of three perceptual/motor tasks lasting about 10 minutes each. One task includes writing words horizontally and vertically and drawing geometrical objects using a digitizing tablet. A second task involves adjusting the shape of a geometrical illusion or a three-dimensional object presented in a head-mounted virtual reality display. The third task includes estimating the relative or absolute distances between objects and landmarks in three-dimensional images presented in the head-mounted display. Postflight sessions are identical to those conducted preflight and will be performed on return plus (R+) 0, R+1 or 2, R+4, and R+8 days.
Inflight sessions include the same tasks as the preflight and postflight BDC sessions along with set-up and stowage of associated equipment. Four sessions are planned, with the first session on flight day 10, the second and third session at mid-flight, and a final session within 1-2 weeks before landing. During the tasks subjects will be free-floating to minimize orientation and cognitive reference cues.
This experiment uses the EPM laptop computer on board Columbus. A digitizing tablet, head-mounted display, and a finger trackball will interface with the laptop (using associated cables) for performance of the required tasks.
A total of ten subjects are required to complete this investigation.
Gaveau J, Paizis C, Berret B, Pozzo T, Papaxanthis C. Sensorimotor adaptation of point-to-point arm movements after spaceflight: the role of internal representation of gravity force in trajectory planning. Journal of Neurophysiology. 2011; 106(2): 620-629. DOI: 10.1152/jn.00081.2011. PMID: 21562193.