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Motion sickness
Published in Nicholas Green, Steven Gaydos, Hutchison Ewan, Edward Nicol, Handbook of Aviation and Space Medicine, 2019
Nicholas Green, Steven Gaydos, Hutchison Ewan, Edward Nicol
Additional performance decrements associated with motion-induced drowsiness (Sopite Syndrome): Difficulty concentrating.Decreased initiative or motivation.Decreased communication.
Motion-Induced Nausea and Vomiting
Published in John Kucharczyk, David J. Stewart, Alan D. Miller, Nausea and Vomiting: Recent Research and Clinical Advances, 2017
Motion sickness is a common problem on land, at sea, and in air and space. Nausea and vomiting (emesis) are the two cardinal symptoms of motion sickness, although the occurrence of drowsiness (the sopite syndrome)1 also can be significant. This chapter emphasizes relatively new work (since the mid-1970s) relating to motion sickness, especially motion-induced nausea and vomiting. Additional information can be obtained by consulting reviews,27 and conference proceedings.8–11
Current perspectives on galvanic vestibular stimulation in the treatment of Parkinson’s disease
Published in Expert Review of Neurotherapeutics, 2021
Soojin Lee, Aiping Liu, Martin J. McKeown
Finally, there are several unexplored areas in PD where GVS can theoretically be utilized based on the anatomy and functional roles of the vestibular system. Orthostatic hypotension is a common symptom in PD that can limit daily activities and increase the risk of falling. The close association between the vestibular system and blood pressure [132] suggests a potential role for GVS in orthostatic hypotension in PD. L-dopa induced dyskinesias are a frequent complication of L-dopa therapy, and their pathophysiology is poorly understood. A few studies have demonstrated reduced dyskinesia after cerebellar TMS [133], suggesting that this could be potentially explored with GVS given the close relationship between the vestibular system and cerebellum. Finally, sleep problems are common in PD [134] and GVS may partially assist in sleep either through the ‘sopite’ syndrome (i.e. drowsiness induced by motion [135]) or by inducing a rocking sensation with sinusoidal stimuli. These unexplored areas call for future studies to explore and validate the full potential of GVS in PD.
Discriminating Between Fatigue and Sleepiness in the Naval Operational Environment
Published in Behavioral Sleep Medicine, 2018
Panagiotis Matsangas, Nita Lewis Shattuck
Overall, our results suggest that sleepiness and fatigue, as measured by the ESS and FSS scales, are two distinct constructs, which correlate differentially with behavioral and lifestyle patterns of crew members in the naval operational environment. Future efforts should assess how ESS and FSS scores differ between different watch schedules and in various sea states under conditions in which crew members may also suffer from symptoms of motion sickness and sopite syndrome (Matsangas & McCauley, 2014). A better understanding of sleepiness and fatigue severity may lead to more effective macroergonomic interventions and better designed work schedules while at sea.