Stuart H. Sater
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View article: Normal variation in brain volumetrics, CSF dynamics, and ocular structures from magnetic resonance images of healthy participants over two years
Normal variation in brain volumetrics, CSF dynamics, and ocular structures from magnetic resonance images of healthy participants over two years Open
We report estimated thresholds of normal variability from methodological and physiological sources in brain and ocular outcomes in healthy participants. Outcomes that exceed these thresholds have less than a 5% probability of occurring due…
View article: Brain and cerebrospinal fluid 3D center of mass shift after spaceflight
Brain and cerebrospinal fluid 3D center of mass shift after spaceflight Open
View article: MRI-based quantification of posterior ocular globe flattening during 60 days of strict 6° head-down tilt bed rest with and without daily centrifugation
MRI-based quantification of posterior ocular globe flattening during 60 days of strict 6° head-down tilt bed rest with and without daily centrifugation Open
Head-down tilt (HDT) bed rest is commonly used as a spaceflight analog for investigating spaceflight associated neuro-ocular syndrome (SANS). Posterior ocular globe flattening has been identified in astronauts with SANS but until now has n…
View article: MRI-based quantification of ophthalmic changes in healthy volunteers during acute 15° head-down tilt as an analogue to microgravity
MRI-based quantification of ophthalmic changes in healthy volunteers during acute 15° head-down tilt as an analogue to microgravity Open
Spaceflight is known to cause ophthalmic changes in a condition known as spaceflight-associated neuro-ocular syndrome (SANS). It is hypothesized that SANS is caused by cephalad fluid shifts and potentially mild elevation of intracranial pr…
View article: Automated MRI-based quantification of posterior ocular globe flattening and recovery after long-duration spaceflight
Automated MRI-based quantification of posterior ocular globe flattening and recovery after long-duration spaceflight Open
Background/Objectives Spaceflight associated neuro-ocular syndrome (SANS), a health risk related to long-duration spaceflight, is hypothesized to result from a headward fluid shift that occurs with the loss of hydrostatic pressure gradient…
View article: Supplementary Data Table from MRI-based quantification of ophthalmic changes in healthy volunteers during acute 15° head-down tilt as an analogue to microgravity
Supplementary Data Table from MRI-based quantification of ophthalmic changes in healthy volunteers during acute 15° head-down tilt as an analogue to microgravity Open
Table including all relevant processed data and demographic information analyzed in the present study.
View article: Quantitative magnetic resonance image assessment of the optic nerve and surrounding sheath after spaceflight
Quantitative magnetic resonance image assessment of the optic nerve and surrounding sheath after spaceflight Open
View article: Low-cost, open-source, variable speed and incline treadmill for studying impacts of neonatal locomotion
Low-cost, open-source, variable speed and incline treadmill for studying impacts of neonatal locomotion Open
View article: QUANTIFICATION OF OPHTHALMIC CHANGES AFTER LONG-DURATION SPACEFLIGHT, AND SUBSEQUENT RECOVERY
QUANTIFICATION OF OPHTHALMIC CHANGES AFTER LONG-DURATION SPACEFLIGHT, AND SUBSEQUENT RECOVERY Open
A subset of crewmembers are subjected to ophthalmic structure changes due to long-duration spaceflight (>6 months). Crewmembers who experience these changes are described as having Spaceflight Associated Neuro-Ocular Syndrome (SANS). Chara…
View article: Magnetic Resonance Imaging Quantification of Ophthalmic Changes Due to Spaceflight
Magnetic Resonance Imaging Quantification of Ophthalmic Changes Due to Spaceflight Open
View article: Low-cost, open-source, variable speed and incline treadmill for studying neonatal locomotion
Low-cost, open-source, variable speed and incline treadmill for studying neonatal locomotion Open
View article: MRI-based Quantification of Optic Nerve Tortuosity and Subarachnoid Space 3D Geometry: Reliability Assessment
MRI-based Quantification of Optic Nerve Tortuosity and Subarachnoid Space 3D Geometry: Reliability Assessment Open
In some astronauts, long-duration space flight results in ophthalmic structure changes such as optic nerve (ON) kinking, ON distention, and globe flattening. Assessment of the ON and ON sheath (ONS) may provide insight into the mechanisms …