HRR - Task - Sensorimotor adaptation following exposure to ambiguous inertial motion cues (Wood)

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Sensorimotor adaptation following exposure to ambiguous inertial motion cues (Wood) (Completed)

Last Published: 07/30/20 02:45:15 PM (Central)

Task Book: Entry
Principal Investigator: Wood, Scott

Short Title: Inertial Cues

Responsible HRP Element: Human Health Countermeasures

Collaborating Org(s):

National Space Biomedical Research Institute (NSBRI)

Other:

Funding Status: Completed - Task completed and produced a deliverable

Procurement Mechanism(s):

Solicited

Aims:

To examine the effects of stimulus frequency (0.01 - 0.6 Hz ) on adaptive changes in eye movements, motion perception and cognition during combined tilt and translation motion profiles.
To examine changes in control errors during a closed-loop nulling task before and after tilt-translation adaptation.
To evaluate how a tactile prosthesis might improve control performance.
To examine how spatial awareness is impaired with changing gravitational cues during parabolic flight, and the extent to which vibrotactile feedback of orientation can be used to help improve spatial awareness.

Resources (Other)

Deliverables (1)

Category: Risk Characterization, Quantification
Subcategory: Evidence or Risk Characterization

Description:
This task contributed to gap closure by providing evidence regarding the physiological mechanisms and operational implications of disorientation and tilt-translation disturbances reported by crewmembers during and following re-entry. This task also validated the potential use of a vibrotactile prosthesis as a countermeasure by showing improved control of whole-body orientation during passive tilt and translation motion paradigm.

Internal Customers:
Human Health Countermeasures
External Customers:
None

Mappings

Risk of Impaired Control of Spacecraft/Associated Systems and Decreased Mobility Due to Vestibular/Sensorimotor Alterations Associated with Spaceflight

SM-102: Effects of short and long-duration weightlessness, with and without deep-space radiation, on manual control (fine motor control) after g transitions. Critical mission tasks: Hand-eye coordination, robotic tasks, driving (e.g., rovers), docking, landing, manipulating controls/switches/touch-screens, etc.

SM-103: Effects of short and long-duration weightlessness, with and without deep-space radiation, on spatial orientation and motion sickness after G transitions. Performance impacts that effect critical mission tasks: G-transition motion sickness, diplopia, hand-eye coordination, autonomic dysfunction, vertigo.

SM-202: Development and ground testing of manual control countermeasures, such as vibrotactile assistance vest, and other human factors aids.

Sensorimotor adaptation following exposure to ambiguous inertial motion cues (Wood)

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PRRs (2)

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Common Item(s)
	Risk of Impaired Control of Spacecraft/Associated Systems and Decreased Mobility Due to Vestibular/Sensorimotor Alterations Associated with Spaceflight
	SM-103: Effects of short and long-duration weightlessness, with and without deep-space radiation, on spatial orientation and motion sickness after G transitions. Performance impacts that effect critical mission tasks: G-transition motion sickness, diplopia, hand-eye coordination, autonomic dysfunction, vertigo.