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Motion Sickness Produced By Head Movement As A Function Of Rotational Velocity

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Motion Sickness Produced By Head Movement As A Function Of Rotational Velocity

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Author : Earl F. Miller (II)
language : en
Publisher:
Release Date : 1970

Motion Sickness Produced By Head Movement As A Function Of Rotational Velocity written by Earl F. Miller (II) and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1970 with Coriolis force categories.

To measure the stressor stimulus effect of rotational velocity in terms of the number of the standardized head tilt movements required to evoke a common severity level of symptoms characterizing motion sickness, sixteen young healthy subjects were rotated in a laboratory (Stille) rotational chair at various velocities within a range suitable for each subject and the limits of 1.0 to 30.0 rpm. Standardized 90 degree head movements were executed at each test velocity until the preselected and quantitatively determined motion sickness endpoint of moderate (M IIA) or severe (M III) malaise was reached. When individual ability to make head movements without evoking symptoms was exceeded, the derived average stressor effect (E factor) of each head movement varied directly and, in log-log terms, linearly with rotational velocity. These data provide the basis for grading individual susceptibility to Coriolis (motion) sickness with a single numerical score as well as define the high rate of change of Coriolis stressor effect as a function of rotational velocity, which may find practical application for specifying rotational rates of space stations. (Author).

Comparison Of Five Levels Of Motion Sickness Severity As The Basis For Grading Susceptibility

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Author : Earl F. Miller (II)
language : en
Publisher:
Release Date : 1970

Comparison Of Five Levels Of Motion Sickness Severity As The Basis For Grading Susceptibility written by Earl F. Miller (II) and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1970 with Coriolis force categories.

The Coriolis (motion) sickness susceptibility index (CSSI) of 275 healthy male subjects was calculated from data obtained by a standardized laboratory procedure at each of five specific levels of motion sickness severity, viz, frank sickness (FS), severe malaise (M III), moderate malaise (M IIA and M IIB), and mild malaise (M I). The stressor value (E factor) of a single standardized head movement associated with each rotational rate of the test chair was adjusted to yield an equivalent CSSI score independent of the endpoint selected. Close agreement among the CSSI scores obtained at each endpoint was found in intercorrelations, test-retest reliability coefficients (N = 30), and frequency distributions that reflected the orderliness and stability in the appearance, ramification, and intensification of the acute symptomatology evoked in progressing from M I to FS. The endpoint M IIA appeared, however, to yield the best balance between subject acceptability and test confidence, and was used without exception to calibrate the motion sickness susceptibility of 250 additional subjects. (Author).

The Head Neck Sensory Motor System

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Author : A. Berthoz
language : en
Publisher:
Release Date : 1992

The Head Neck Sensory Motor System written by A. Berthoz and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1992 with Afferent pathways categories.

This is the most comprehensive and up-to-date account of the control of vertebrate head movements and its biomechanical and neural basis. It covers the entire spectrum of research on head-neck movements, ranging from the global description and analysis of a particular behavior to its underlying mechanisms at the level of neurotransmitter release and membrane biophysics.

Specific Acute Losses Of Vestibular Function In Man Following Unilateral Section Of One Or All Components Of The Eighth Cranial Nerve

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Author : Earl F. Miller II
language : en
Publisher:
Release Date : 1972

Specific Acute Losses Of Vestibular Function In Man Following Unilateral Section Of One Or All Components Of The Eighth Cranial Nerve written by Earl F. Miller II and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1972 with Vestibular function tests categories.

Cumulated Index Medicus

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Author :
language : en
Publisher:
Release Date : 1988

Cumulated Index Medicus written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1988 with Medicine categories.

Motion Sickness

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Author : Thomas G. Dobie
language : en
Publisher: Springer
Release Date : 2019-02-01

Motion Sickness written by Thomas G. Dobie and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2019-02-01 with Technology & Engineering categories.

This book offers a survey of the state of the art in the field of motion sickness. It begins by describing the historical background and the current definition of motion sickness, then discusses the prevalence among individuals, along with the physiological and psychological concomitants of the disorder. It reviews the incidence of motion sickness in numerous provocative motion environments and discusses various personal factors that appear to influence this aspect. Various characteristics of provocative motion stimuli are also described, together with the results of studies conducted in the laboratory, on motion simulators and at sea. Laboratory tests that could potentially be used to assess an individual’s susceptibility to motion sickness and his or her ability to adapt to motion environments are presented in detail, together with the ways in which individuals might be trained to prevent motion sickness or more effectively cope with motion environments. In closing, the book reports on the cognitive-behavioral approach developed by the author (Dobie, 1963) as well as the various desensitization programs employed in military settings, and discusses the relative effectiveness of these methods in comparison to cognitive-behavioral counseling.

The Influence Of Vision On Susceptibility To Acute Motion Sickness Studied Under Quantifiable Stimulus Response Conditions

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Author : Wilhelmus Johannes Oosterveld
language : en
Publisher:
Release Date : 1971

The Influence Of Vision On Susceptibility To Acute Motion Sickness Studied Under Quantifiable Stimulus Response Conditions written by Wilhelmus Johannes Oosterveld and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1971 with Motion sickness categories.