Back to the future —revisiting Skylab data on ocular counter-rolling and motion sickness
In the early 1970s, nine astronauts participated in missions to the Skylab space station. During two preflight testing sessions at the Naval Aerospace Medical Research Laboratory in Pensacola, the amplitudes of their ocular counter-rolling (OCR) during body tilts were assessed to determine if their vestibular functions were within normal ranges. We recently re-evaluated this data to determine asymmetry of each astronaut’s OCR response and their OCR slope from sigmoid fits during static leftward and rightward body tilts, which we then compared with their Coriolis sickness susceptibility index (CSSI) on the ground, their m...
Source: Frontiers in Physiology - November 21, 2023 Category: Physiology Source Type: research

Recent Progress in the Understanding and Management of Acute Mountain Sickness: A Narrative Review
CONCLUSION: Therefore, the information in the paper will help travel medicine specialists better personalize their appropriate care for patients who travel to high-altitude locations. Additionally, all available antiemetic medications, serotonin agonists, nonsteroidal anti-inflammatory drugs, and herbal treatments for motion sickness were discussed. The prevention and consequences of acute mountain sickness are also covered in this study.PMID:37888823 | DOI:10.2174/0127724328237059230919093818 (Source: Pharmacological Reviews)
Source: Pharmacological Reviews - October 27, 2023 Category: Drugs & Pharmacology Authors: Divyanshi Gupta Pranay Wal Mudita Mishra Ankita Wal Shruti Shruti Rathore Shiv Shanker Pandey Nikita Saraswat Bhagawati Saxena Source Type: research

Recent Progress in the Understanding and Management of Acute Mountain Sickness: A Narrative Review
CONCLUSION: Therefore, the information in the paper will help travel medicine specialists better personalize their appropriate care for patients who travel to high-altitude locations. Additionally, all available antiemetic medications, serotonin agonists, nonsteroidal anti-inflammatory drugs, and herbal treatments for motion sickness were discussed. The prevention and consequences of acute mountain sickness are also covered in this study.PMID:37888823 | DOI:10.2174/0127724328237059230919093818 (Source: Pharmacological Reviews)
Source: Pharmacological Reviews - October 27, 2023 Category: Drugs & Pharmacology Authors: Divyanshi Gupta Pranay Wal Mudita Mishra Ankita Wal Shruti Shruti Rathore Shiv Shanker Pandey Nikita Saraswat Bhagawati Saxena Source Type: research

Virtual reality as a countermeasure for astronaut motion sickness during simulated post-flight water landings
Exp Brain Res. 2023 Oct 5. doi: 10.1007/s00221-023-06715-5. Online ahead of print.ABSTRACTEntry motion sickness (EMS) affects crewmembers upon return to Earth following extended adaptation to microgravity. Anticholinergic pharmaceuticals (e.g., Meclizine) are often taken prior to landing; however, they have operationally adverse side effects (e.g., drowsiness). There is a need to develop non-pharmaceutical countermeasures to EMS. We assessed the efficacy of a technological countermeasure providing external visual cues following splashdown, where otherwise only nauseogenic internal cabin visual references are available. Our...
Source: Experimental Brain Research - October 5, 2023 Category: Neuroscience Authors: T L Lonner A R Allred L Bonarrigo A Gopinath K Smith V Kravets E L Groen C Oman P DiZio B D Lawson T K Clark Source Type: research

Virtual reality as a countermeasure for astronaut motion sickness during simulated post-flight water landings
Exp Brain Res. 2023 Oct 5. doi: 10.1007/s00221-023-06715-5. Online ahead of print.ABSTRACTEntry motion sickness (EMS) affects crewmembers upon return to Earth following extended adaptation to microgravity. Anticholinergic pharmaceuticals (e.g., Meclizine) are often taken prior to landing; however, they have operationally adverse side effects (e.g., drowsiness). There is a need to develop non-pharmaceutical countermeasures to EMS. We assessed the efficacy of a technological countermeasure providing external visual cues following splashdown, where otherwise only nauseogenic internal cabin visual references are available. Our...
Source: Brain Research - October 5, 2023 Category: Neurology Authors: T L Lonner A R Allred L Bonarrigo A Gopinath K Smith V Kravets E L Groen C Oman P DiZio B D Lawson T K Clark Source Type: research

Virtual reality as a countermeasure for astronaut motion sickness during simulated post-flight water landings
Exp Brain Res. 2023 Oct 5. doi: 10.1007/s00221-023-06715-5. Online ahead of print.ABSTRACTEntry motion sickness (EMS) affects crewmembers upon return to Earth following extended adaptation to microgravity. Anticholinergic pharmaceuticals (e.g., Meclizine) are often taken prior to landing; however, they have operationally adverse side effects (e.g., drowsiness). There is a need to develop non-pharmaceutical countermeasures to EMS. We assessed the efficacy of a technological countermeasure providing external visual cues following splashdown, where otherwise only nauseogenic internal cabin visual references are available. Our...
Source: Experimental Brain Research - October 5, 2023 Category: Neuroscience Authors: T L Lonner A R Allred L Bonarrigo A Gopinath K Smith V Kravets E L Groen C Oman P DiZio B D Lawson T K Clark Source Type: research

Virtual reality as a countermeasure for astronaut motion sickness during simulated post-flight water landings
Exp Brain Res. 2023 Oct 5. doi: 10.1007/s00221-023-06715-5. Online ahead of print.ABSTRACTEntry motion sickness (EMS) affects crewmembers upon return to Earth following extended adaptation to microgravity. Anticholinergic pharmaceuticals (e.g., Meclizine) are often taken prior to landing; however, they have operationally adverse side effects (e.g., drowsiness). There is a need to develop non-pharmaceutical countermeasures to EMS. We assessed the efficacy of a technological countermeasure providing external visual cues following splashdown, where otherwise only nauseogenic internal cabin visual references are available. Our...
Source: Brain Research - October 5, 2023 Category: Neurology Authors: T L Lonner A R Allred L Bonarrigo A Gopinath K Smith V Kravets E L Groen C Oman P DiZio B D Lawson T K Clark Source Type: research

Virtual reality as a countermeasure for astronaut motion sickness during simulated post-flight water landings
Exp Brain Res. 2023 Oct 5. doi: 10.1007/s00221-023-06715-5. Online ahead of print.ABSTRACTEntry motion sickness (EMS) affects crewmembers upon return to Earth following extended adaptation to microgravity. Anticholinergic pharmaceuticals (e.g., Meclizine) are often taken prior to landing; however, they have operationally adverse side effects (e.g., drowsiness). There is a need to develop non-pharmaceutical countermeasures to EMS. We assessed the efficacy of a technological countermeasure providing external visual cues following splashdown, where otherwise only nauseogenic internal cabin visual references are available. Our...
Source: Experimental Brain Research - October 5, 2023 Category: Neuroscience Authors: T L Lonner A R Allred L Bonarrigo A Gopinath K Smith V Kravets E L Groen C Oman P DiZio B D Lawson T K Clark Source Type: research

The effects of head mounted weight on comfort for helmets and headsets, with a  definition of "comfortable wear time"
CONCLUSION: Heavier headsets were less comfortable for the lower quartile of participants -yielding an average of 11 fewer minutes of comfortable wear time per 33 g of weight added. Understanding the discomfort costs from adding weight empowers product teams to find the correct balance to meet their product engagement targets.PMID:37718832 | DOI:10.3233/WOR-220689 (Source: Work)
Source: Work - September 18, 2023 Category: Occupational Health Authors: Dan Odell Navaneeta Dorbala Source Type: research

The effects of head mounted weight on comfort for helmets and headsets, with a  definition of "comfortable wear time"
CONCLUSION: Heavier headsets were less comfortable for the lower quartile of participants -yielding an average of 11 fewer minutes of comfortable wear time per 33 g of weight added. Understanding the discomfort costs from adding weight empowers product teams to find the correct balance to meet their product engagement targets.PMID:37718832 | DOI:10.3233/WOR-220689 (Source: Work)
Source: Work - September 18, 2023 Category: Occupational Health Authors: Dan Odell Navaneeta Dorbala Source Type: research

The effects of head mounted weight on comfort for helmets and headsets, with a  definition of "comfortable wear time"
CONCLUSION: Heavier headsets were less comfortable for the lower quartile of participants -yielding an average of 11 fewer minutes of comfortable wear time per 33 g of weight added. Understanding the discomfort costs from adding weight empowers product teams to find the correct balance to meet their product engagement targets.PMID:37718832 | DOI:10.3233/WOR-220689 (Source: Work)
Source: Work - September 18, 2023 Category: Occupational Health Authors: Dan Odell Navaneeta Dorbala Source Type: research

The effects of head mounted weight on comfort for helmets and headsets, with a  definition of "comfortable wear time"
CONCLUSION: Heavier headsets were less comfortable for the lower quartile of participants -yielding an average of 11 fewer minutes of comfortable wear time per 33 g of weight added. Understanding the discomfort costs from adding weight empowers product teams to find the correct balance to meet their product engagement targets.PMID:37718832 | DOI:10.3233/WOR-220689 (Source: Work)
Source: Work - September 18, 2023 Category: Occupational Health Authors: Dan Odell Navaneeta Dorbala Source Type: research

The effects of head mounted weight on comfort for helmets and headsets, with a  definition of "comfortable wear time"
CONCLUSION: Heavier headsets were less comfortable for the lower quartile of participants -yielding an average of 11 fewer minutes of comfortable wear time per 33 g of weight added. Understanding the discomfort costs from adding weight empowers product teams to find the correct balance to meet their product engagement targets.PMID:37718832 | DOI:10.3233/WOR-220689 (Source: Work)
Source: Work - September 18, 2023 Category: Occupational Health Authors: Dan Odell Navaneeta Dorbala Source Type: research

The effects of head mounted weight on comfort for helmets and headsets, with a  definition of "comfortable wear time"
CONCLUSION: Heavier headsets were less comfortable for the lower quartile of participants -yielding an average of 11 fewer minutes of comfortable wear time per 33 g of weight added. Understanding the discomfort costs from adding weight empowers product teams to find the correct balance to meet their product engagement targets.PMID:37718832 | DOI:10.3233/WOR-220689 (Source: Work)
Source: Work - September 18, 2023 Category: Occupational Health Authors: Dan Odell Navaneeta Dorbala Source Type: research

Exploring neurophysiological correlates of visually induced motion sickness using electroencephalography (EEG)
Exp Brain Res. 2023 Aug 31. doi: 10.1007/s00221-023-06690-x. Online ahead of print.ABSTRACTVisually induced motion sickness (VIMS) is a common phenomenon when using visual devices such as smartphones and virtual reality applications, with symptoms including nausea, fatigue, and headache. To date, the neuro-cognitive processes underlying VIMS are not fully understood. Previous studies using electroencephalography (EEG) delivered mixed findings, with some reporting an increase in delta and theta power, and others reporting increases in alpha and beta frequencies. The goal of the study was to gain further insight into EEG cor...
Source: Experimental Brain Research - August 31, 2023 Category: Neuroscience Authors: Polina Andrievskaia Stefan Berti Julia Spaniol Behrang Keshavarz Source Type: research