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Task Effects of Acute Exposures to Carbon Dioxide upon Cognitive Functions (Completed)
Last Published:  03/26/21 03:34:00 PM (Central)
Task Book: Entry
Principal Investigator: Ryder, Valerie
Short Title: Acute CO2 Exposure with Existing Measures
Responsible HRP Element: Human Factors and Behavioral Performance
Collaborating Org(s):
Funding Status: Completed - Task completed and produced a deliverable
Procurement Mechanism(s):
Solicited
Aims:

The purpose of this task is to investigate the effects of the elevate CO2 environment in a controlled analog setting with existing available measures to understand potential behavioral and performance effects that may result. This will help to characterize the risk of the elevated CO2 environment on cognition and sleep.

Aim1: Determine if and to what degree the impaired cognitive function and performance impacts seen in previous studies with acute exposure to CO2 can be replicated in an astronaut-like population.

Aim 2: Determine, by use of the Cognition battery of psychometric measures, if CO2, at or below operationally relevant concentrations, affects cognitive functions of astronaut-like subjects.


This task also informs the Sensorimotor discipline area: SM 2.1

Mappings
RiskRisk of Adverse Cognitive or Behavioral Conditions and Psychiatric Disorders
GapBMed-101: We need to identify, quantify, and validate the key selection factors for astronaut cognitive and behavioral strengths (e.g., resiliency) and operationally-relevant performance threats for increasingly Earth independent, long-duration, autonomous, and/or long-distance exploration missions.
GapBMed-105: Given the potentially negative spaceflight associated CNS/cognitive changes and behavioral experiences of stressors during long-duration missions (e.g., isolation, confinement, reduced sensory stimulation, altered gravity, space radiation), what are validated medical or dietary countermeasures to mitigate stressors impacting on CNS / cognition / behavioral health?
GapBMed-108: Given each crewmember will experience multiple spaceflight hazards simultaneously, we need to identify and characterize the potential additive, antagonistic, or synergistic impacts of multiple stressors (e.g., space radiation, altered gravity, isolation, altered immune, altered sleep) on crew health and/or CNS/ cognitive functioning to develop threshold limits and validate countermeasures for any identified adverse crew health and/or operationally-relevant performance outcomes.
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