Motion sickness susceptibility associated with visually induced postural instability and cardiac autonomic responses in healthy subjects

Yokota, Yasuyuki; Aoki, Mitsuhiro; Mizuta, Keisuke; Ito, Yatsuji; Isu, Naoki

doi:10.1080/00016480510003192

Cited by 117 publications

(58 citation statements)

References 17 publications

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“…The influence of video-induced motion sickness on the body has been measured by employing subjective scales such as the simulator sickness questionnaire (SSQ) (Kennedy et al, 1993). Further, it is also measured by quantitatively investigating the relationship between external factors and internal conditions using physiological indices such as respiratory functions, electrocardiograms, skin electrical activity, fluctuation of the center of gravity, and electrogastrograms (Holomes and Griffin, 2001;Himi et al, 2004;Yokota et al, 2005). By using the SSQ and stabilometry (body sway), we examined whether the VIMS was induced by a stereoscopic movie in this study.…”

Section: Discussionmentioning

confidence: 99%

Stereoscopic Displays and Accommodative Focus

Fujikake¹,

Omori²,

Hasegawa³

et al. 2014

Forma

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In the present study, we examined the visual accommodation of subjects who were gazing fixedly at stereoscopic images on two different displays: a cathode ray tube (CRT) with the subjects wearing liquid crystal shutter glasses and a liquid crystal display (LCD) with the subjects not wearing liquid crystal shutter glasses. In Experiment 1, we measured accommodation in subjects viewing a moving stereoscopic image. In Experiment 2, we measured accommodation in subjects viewing moving stereoscopic images on an LCD and a CRT. In Experiment 3, we measured accommodation in subjects viewing a stereoscopic image moving from far to near on an LCD. In Experiment 4, we measured of accommodation in subjects viewing moving stereoscopic images (stereoscopic display mode) and non-stereoscopic images (2-D mode) on an LCD.The results suggested, the ciliary muscle is repeatedly strained and relaxed while the subject views the moving target. In the present study, the subjects' accommodative amplitude was changed when the target moved from the near to far point, and vice versa.

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Section: Discussionmentioning

confidence: 99%

Stereoscopic Displays and Accommodative Focus

Fujikake¹,

Omori²,

Hasegawa³

et al. 2014

Forma

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show abstract

“…Based on the literature, HR, SCL, Resp, LF power and LF/HF ratio were expected to increase with time and/or with increasing motion sickness, whereas Temp and BVP were expected to decrease [12,14,24,[27][28][29][30][31][32]. Particularly surprising was the decrease in respiration rate over time and with increasing motion sickness, which contradicts previous research where slow breathing has been shown to [33,34].…”

Section: Psychophysiologymentioning

confidence: 97%

Effects of Motion Sickness on Encoding and Retrieval Performance and on Psychophysiological Responses

Sjörs¹,

Dahlman²

2014

J Ergonomics

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Background: Motion sickness has previously been found to deteriorate performance. In complex working environments, sustained ability to perform despite motion sickness is crucial. This study focuses on effects of motion sickness on encoding and retrieval of words. In addition, the temporal development of psychophysiological responses and their relationship with perceived motion sickness were investigated. Methods:Forty healthy participants (20 male and 20 female, age 19-51) performed an encoding and retrieval task during exposure to an optokinetic drum and were compared with 20 controls (8 male and 12 female, age 21-47) not exposed to motion sickness. Measurements of heart rate, heart rate variability, skin conductance, blood volume pulse, respiration rate, and skin temperature were made throughout optokinetic drum exposure.Results: Moderate levels of motion sickness did not affect the ability to encode or retrieve words. Perceived motion sickness was positively related to heart rate, blood volume pulse and skin temperature and negatively related to respiration rate. Conclusions:The psychophysiological measurements did not show consistent patterns of sympathetic activation and parasympathetic withdrawal, as could be expected. Subjective reports of progressing symptoms are still likely to be the most reliable way of assessing motion sickness.

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“…It has been observed that people susceptible to motion sickness also show more postural instability (Cobb, 1999;Faugloire et al, 2007;Fukuda, 1975;Smart et al, 1998;Takahashi et al, 1992;Van Emmerik et al, 2005;Yokota et al, 2005). Yet, negative or lacking correlations have been observed too (Reed-Jones et al, 2008;Stoffregen et al, 2008;Warwick-Evans et al, 1991;Golding et al, 2009).…”

Section: Posturementioning

confidence: 99%

Self-driving carsickness

2016

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This paper discusses the predicted increase in the occurrence and severity of motion sickness in selfdriving cars. Self-driving cars have the potential to lead to significant benefits. From the driver's perspective, the direct benefits of this technology are considered increased comfort and productivity. However, we here show that the envisaged scenarios all lead to an increased risk of motion sickness. As such, the benefits this technology is assumed to bring may not be capitalised on, in particular by those already susceptible to motion sickness. This can negatively affect user acceptance and uptake and, in turn, limit the potential socioeconomic benefits that this emerging technology may provide. Following a discussion on the causes of motion sickness in the context of self-driving cars, we present guidelines to steer the design and development of automated vehicle technologies. The aim is to limit or avoid the impact of motion sickness and ultimately promote the uptake of self-driving cars. Attention is also given to less well known consequences of motion sickness, in particular negative aftereffects such as postural instability, and detrimental effects on task performance and how this may impact the use and design of self-driving cars. We conclude that basic perceptual mechanisms need to be considered in the design process whereby self-driving cars cannot simply be thought of as living rooms, offices, or entertainment venues on wheels.

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Motion sickness susceptibility associated with visually induced postural instability and cardiac autonomic responses in healthy subjects

Cited by 117 publications

References 17 publications

Stereoscopic Displays and Accommodative Focus

Stereoscopic Displays and Accommodative Focus

Effects of Motion Sickness on Encoding and Retrieval Performance and on Psychophysiological Responses

Self-driving carsickness

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