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  • Other Sources  (13,198)
  • Life Sciences (General)  (6,981)
  • Man/System Technology and Life Support  (6,217)
  • 1
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    Test Bed for Human Performance in Mockup Suit (2019)
    In:  CASI
    Details
    Publication Date: 2020-01-16
    Description: Crewmembers' ability to adjust to changes in gravity and sensorimotor function is essential for successful suited mobility in lunar and planetary missions. Setups for current pressurized spacesuit testing require suit technicians, specialized medical clearances, and test support personnel along with increased risk to the subject. Furthermore, suited setups constrain the types of additional hardware that can be used. A test bed was developed with the goal to evaluate human suited performance using an unpressurized Mark III mockup suit and virtual reality (VR) system.
    Keywords: Man/System Technology and Life Support
    Type: JSC-E-DAA-TN74245-2
    Format: application/pdf
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    NASA TECHNICAL REPORTS
  • 2
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    Test Bed for Human Performance in Mockup Suit (2019)
    In:  CASI
    Details
    Publication Date: 2020-01-16
    Description: Crewmembers' ability to adjust to changes in gravity and sensorimotor function is essential for successful suited mobility in lunar and planetary missions. Setups for current pressurized spacesuit testing require suit technicians, specialized medical clearances, and test support personnel along with increased risk to the subject. Furthermore, suited setups constrain the types of additional hardware that can be used. A test bed was developed with the goal to evaluate human suited performance using an unpressurized Mark III mockup suit and virtual reality (VR) system. The mockup suit provides a means of performing proof-of-concept tasks for suited performance with lower time and cost demands. Additionally, VR goggles provide a means for projecting an immersive planetary environment and applying perturbations to the visuo-vestibular system with minimal equipment. Furthermore, the test bed will be developed to allow room for improvement in fidelity for future suited applications.
    Keywords: Man/System Technology and Life Support
    Type: JSC-E-DAA-TN74245-1
    Format: application/pdf
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    NASA TECHNICAL REPORTS
  • 3
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    Rodent Research Capabilities Update (2017)
    In:  CASI
    Details
    Publication Date: 2020-01-16
    Description: Space Biology current Rodent Research hardware and capabilities as of October 2017. These include the Life Sciences Glovebox, Rapid Freeze, sample cartridges and simulated carcass freezing, mass measurement device, habitat configuration with enrichment, and the non-Rodent capabilities they feature.
    Keywords: Life Sciences (General)
    Type: ARC-E-DAA-TN47905 , Annual Meeting American Society for Gravitational and Space Research (ASGSR); Oct 25, 2017 - Oct 28, 2017; Seattle, WA; United States
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    NASA TECHNICAL REPORTS
  • 4
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    NASA JPL Disaster Response and Response to 2015 M7.8 Nepal Earthquake (2016)
    In:  Other Sources
    Details
    Publication Date: 2020-01-08
    Description: No abstract available
    Keywords: Life Sciences (General)
    Type: JPL-CL-16-3504 , JAXA JPL Discussions; Feb 25, 2016; Pasadena, CA; United States
    Format: text
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  • 5
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    ProgrammaticsSLPSRA Physical Sciences: Materials and Biophysics Status (2019)
    In:  CASI
    Details
    Publication Date: 2020-01-04
    Description: No abstract available
    Keywords: Life Sciences (General)
    Type: M19-7792 , Annual Meeting of the American Society for Gravitational and Space Research (ASGSR); Nov 20, 2019 - Nov 23, 2019; Washington, DC; United States
    Format: application/pdf
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  • 6
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    Oculometric Assessment of Mild Neural Impairment (2019)
    In:  CASI
    Details
    Publication Date: 2019-12-24
    Description: For over 100 years, neurologists have used eye movements to identify neural impairment, disease, or injury. Prior to the age of modern imaging, qualitative assessment of eye movements was a critical, routine component of diagnosis and remains today a routine law-enforcement tool for detecting impaired driving due to drugs or alcohol. We will describe the application of a simple 5-minute oculomotor tracking task coupled with a broad range of quantitative analyses of high-resolution oculomotor measurements for the sensitive detection of sub-clinical neural impairment and for the potential differentiation of various causes. Specifically, we will show that there are distinct patterns of impairment across our set of oculometric parameters observed with brain trauma, sleep and circadian disruption, and alcohol consumption. Such differences could form the basis of a self-administered medical monitoring or diagnostic support tool.
    Keywords: Life Sciences (General)
    Type: ARC-E-DAA-TN75134 , Perception and Sensorimotor System Workshop; Dec 16, 2019 - Dec 17, 2019; Shanghai; China
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  • 7
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    An Automated Behavioral Analysis of Drosophila Melanogaster (2019)
    In:  CASI
    Details
    Publication Date: 2019-12-19
    Description: Behavioral characteristics of D.melanogaster are strongly influenced by intrinsic and extrinsic factors, allowing scientists to assess how changes in physiology or environment manifest into behavior. Conversely, assessing changes in behavior of specimens provides valuable information about how the physiology of that organism responds to external changes. In this project, we developed a computer program to automate behavioral analyses of larvae and adult D. melanogaster aboard the International Space Station using on-board video recordings. Utilizing freely available libraries for Python, we set parameters to compute the number of animals, amount of locomotion as distance or movement, and the change in the perimeter of the larvae's outer shape to quantify behaviors such as curling or peristaltic full body wall contractions. Results show that our program is an efficient tool for analysis of larvae and adult locomotive behavior, thus providing scientists with a low-cost, efficient, and reliable method of quantifying behavioral data.
    Keywords: Life Sciences (General)
    Type: ARC-E-DAA-TN69423 , Annual Meeting of the American Society for Gravitational and Space Research; Nov 20, 2019 - Nov 23, 2019; Denver, CO; United States
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  • 8
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    Characterization of Radiotolerance Mechanisms in the Tardigrade Species Hypsibius Dujardini (2019)
    In:  CASI
    Details
    Publication Date: 2019-12-14
    Description: Tardigrades are microscopic invertebrates that are uniquely radio tolerant among animals, and while the mechanisms of radiotolerance in some species is becoming understood, such mechanisms in Hypsibius dujardini, the most radio tolerant fully aquatic tardigrade, are unknown. We asked 1) Is H. dujardini resistant to direct or indirect DNA damage due to ionizing radiation? and 2) Is this resistance through initial DNA protection or efficient repair once damage has occurred? We confirmed H. dujardinis extraordinary radiotolerance but encountered challenges in performing molecular techniques, thus identifying a need for standardization of tardigrade experimental protocols.
    Keywords: Life Sciences (General)
    Type: ARC-E-DAA-TN75890 , Annual Meeting of the American Society for Gravitational and Space Research (ASGSR); Nov 20, 2019 - Nov 23, 2019; Denver, CO; United States
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  • 9
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    Bion-M2 PI 1-Pagers (2019)
    In:  CASI
    Details
    Publication Date: 2019-12-14
    Description: No abstract available
    Keywords: Life Sciences (General)
    Type: ARC-E-DAA-TN76184 , Bion-M2 Meeting; Dec 09, 2019; Moscow
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  • 10
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    Comparison of Risk from Orbital Debris and Meteoroid Environment Models on the Extravehicular Mobility Unit (EMU) (2019)
    In:  CASI
    Details
    Publication Date: 2019-12-14
    Description: A well-known hazard associated with exposure to the space environment is the risk of failure from an impact from a meteoroid and orbital debris (MMOD) particle. An extravehicular mobility unit (EMU) spacesuit impact during a US extravehicular activity (EVA) is of great concern as a large leak could prevent an astronaut from safely reaching the airlock in time resulting in a loss of life. A risk assessment is provided to the EVA office at the Johnson Space Center (JSC) by the Hypervelocity Impact Technology (HVIT) group prior to certification of readiness for each US EVA. Need to understand the effect of updated meteoroid and orbital debris environment models to EMU risk.
    Keywords: Man/System Technology and Life Support
    Type: JSC-E-DAA-TN75550 , International Orbital Debris Conference (IOC); Dec 09, 2019 - Dec 12, 2019; Sugar Land, TX; United States
    Format: application/pdf
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