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EXPERIMENT INFORMATION

Time Perception in Microgravity (Time_Perception)
Principal Investigator
Research Area:
Behavior and performance
Species Studied
Scientific Name: Homo sapiens Species: Human

Description
OBJECTIVES:
Many spatial-temporal tasks require an explicit representation of both space and time. Ground-based research shows distance perception and time perception to be intimately linked. As a complement to previous studies on crew perception, this experiment will quantify subjective changes in time perception during and after long-duration exposure to microgravity.

The objectives of this study are to use crew judgements on specific time intervals pre-, in-, and postflight to determine:

  • If time duration is underestimated by astronauts in orbit
  • If an underestimation of time carries over to the early postflight period
  • If time re-adaptation to 1G is a gradual process


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  • Duration production and reproduction
  • Single tasks and dual tasks
  • Preflight and inflight measurements
  • Inflight measurements and various durations of microgravity exposure
  • Early and late postflight measurements

    RESULTS:
    Results for this investigation are unavailable. This is an international experiment. NASA does not currently have an agreement with international space partners to archive their data in the LSDA.

  • Parameters
    Reaction times
    Time duration (estimated)

    Mission/Study Information
    Mission Launch/Start Date Landing/End Date Duration
    Expedition 56 06/03/2018 10/04/2018 123 days
    Expedition 57 10/04/2018 12/20/2018 77 days
    Expedition 58 12/18/2018 03/14/2019 85 days
    Expedition 59 03/14/2019 06/24/2019 102 days
    Expedition 60 06/24/2019 In progress
    Expedition 61 Future mission

    Additional Information
    Managing NASA Center
    Johnson Space Center (JSC)
    Responsible NASA Representative
    Johnson Space Center LSDA Office
    Project Manager: Eric Gallagher
    Institutional Support
    European Space Agency (ESA)
    Alternate Experiment Name
    Time
    Proposal Date
    Proposal Source
    International