An Attempt to Measure the Degree of Adaptation Produced by Differing Amounts of Coriolis Vestibular Stimulation in the Slow Rotation Room PDF Download
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Author: James T. Reason Publisher: ISBN: Category : Coriolis force Languages : en Pages : 20
Book Description
The problem was to obtain a quantitative estimate of the degree of adaptation acquired as the result of different amounts of Coriolis stimulation. Subjects executed a predetermined number of controlled 90 deg. head motions at 5 rpm in the slow rotation room. Three measures of adaptation were used: (1) the number of perrotatory head movements evoking sensations due to the Coriolis acceleration, (2) the direction and duration of the Coriolis oculogyral illusion both during and immediately after the period of rotation, and (3) the number of postrotatory sensations producing some detectable after-sensation. The first measure was included to provide an indication of individual differences in adaptability; the remaining two were designed to reveal treatment effects. Six conditions of exposure, ranging from 30 to 180 sequences of eight motions each, produced no measurable differences in the degree of adaptation acquired. A positive and significant correlation was obtained between the number of perrotatory motions evoking a Coriolis reaction (irrespective of the total number of sequences executed) and the number of postrotatory motions producing an after-sensation. In a second experiment, the range of exposures was limited to 5, 10, 15, 20, and 25 sequences. Only the shortest exposure produced a measure of adaptation that was significantly less than that in the other conditions. (Author).
Author: James T. Reason Publisher: ISBN: Category : Coriolis force Languages : en Pages : 20
Book Description
The problem was to obtain a quantitative estimate of the degree of adaptation acquired as the result of different amounts of Coriolis stimulation. Subjects executed a predetermined number of controlled 90 deg. head motions at 5 rpm in the slow rotation room. Three measures of adaptation were used: (1) the number of perrotatory head movements evoking sensations due to the Coriolis acceleration, (2) the direction and duration of the Coriolis oculogyral illusion both during and immediately after the period of rotation, and (3) the number of postrotatory sensations producing some detectable after-sensation. The first measure was included to provide an indication of individual differences in adaptability; the remaining two were designed to reveal treatment effects. Six conditions of exposure, ranging from 30 to 180 sequences of eight motions each, produced no measurable differences in the degree of adaptation acquired. A positive and significant correlation was obtained between the number of perrotatory motions evoking a Coriolis reaction (irrespective of the total number of sequences executed) and the number of postrotatory motions producing an after-sensation. In a second experiment, the range of exposures was limited to 5, 10, 15, 20, and 25 sequences. Only the shortest exposure produced a measure of adaptation that was significantly less than that in the other conditions. (Author).
Author: James T. Reason Publisher: ISBN: Category : Languages : en Pages : 16
Book Description
The problem was to obtain a quantitative estimate of the degree of adaptation acquired as the result of different amounts of Coriolis stimulation. Subjects executed a predetermined number of controlled 90 deg. head motions at 5 rpm in the slow rotation room. Three measures of adaptation were used: (1) the number of perrotatory head movements evoking sensations due to the Coriolis acceleration, (2) the direction and duration of the Coriolis oculogyral illusion both during and immediately after the period of rotation, and (3) the number of postrotatory sensations producing some detectable after-sensation. The first measure was included to provide an indication of individual differences in adaptability; the remaining two were designed to reveal treatment effects. Six conditions of exposure, ranging from 30 to 180 sequences of eight motions each, produced no measurable differences in the degree of adaptation acquired. A positive and significant correlation was obtained between the number of perrotatory motions evoking a Coriolis reaction (irrespective of the total number of sequences executed) and the number of postrotatory motions producing an after-sensation. In a second experiment, the range of exposures was limited to 5, 10, 15, 20, and 25 sequences. Only the shortest exposure produced a measure of adaptation that was significantly less than that in the other conditions. (Author).
Author: Publisher: ISBN: Category : Aeronautics Languages : en Pages : 574
Book Description
Lists citations with abstracts for aerospace related reports obtained from world wide sources and announces documents that have recently been entered into the NASA Scientific and Technical Information Database.
Author: James T. Reason
Author: James T. Reason
Author: James T. Reason
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Author: United States. National Aeronautics and Space Administration
Author: J. F. Parker (Jr)
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