Rat Hindlimb Suspension Data for Spaceflight Visual Changes Model

A ground-based program from NASA used the rat hindlimb suspension model to study cephalic fluid shifts and their effects on visual system structure and function. The study collected continuous intracranial pressure via biotelemetry, regular intraocular pressure measurements, and MRI images of visual system morphology from both male and female subjects. Data includes examinations of the effects of aging and hypercapnia, aiming to develop a model for astronaut visual changes during and after spaceflight.

Use Cases

• Modeling the relationship between cephalic fluid shifts and intracranial/intraocular pressures based on biotelemetry data.
• Analyzing visual system morphology changes from MRI images collected at regular intervals.
• Investigating sex differences in physiological responses to simulated microgravity.
• Studying the combined effects of aging and elevated carbon dioxide on the visual system.

Strengths

• Data includes both male and female subjects to examine sex differences.
• Study design incorporates multiple factors: simulated microgravity, aging, and hypercapnia.
• Continuous measurement of intracranial pressure via chronic biotelemetry implants.

Limitations

• Row count and dataset scale are unknown, which may limit suitability assessment.
• Column-level documentation is absent; field semantics must be inferred after download.
• Primary data is in BIN format, which may require specialized tools for access and analysis.

Provenance

Source

National Aeronautics and Space Administration

Collection Method

Experimental data from a rat hindlimb suspension model, with biotelemetry, tonometry, MRI, and ophthalmic examinations.

Time Range

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Freshness

Last updated 2026-03 13 20:10:16.549945; freshness should be verified.

Geography

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