Psychophysiological Studies of Vestibular Function

Guedry, Fred E.

doi:10.1016/b978-1-4831-6746-6.50008-0

Cited by 44 publications

(42 citation statements)

References 85 publications

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“…The average of the individual deviations between the first and second 40 observations was, however, substantially less for the oculogyral illusion, indicating that this is a more stable measure (cf Guedry, 1965). The rank correlations between the first and second 40 trials for the oculogyral illusion and the perception of rotation were only moderate, being +0.57 and +0.72, respectively.…”

Section: Methodsmentioning

confidence: 94%

“…For the past 20 years, however, this type of apparent motion has been called the oculogyral illusion or the optogyral illusion (van Dtshoeck, Spoor, & Nijhoff, 1954;Roggeveen & Nijhoff, 1956) and has been widely used as an indicator of the function of the semicircular canals (Guedry, 1965). The oculogyral illusion may be defined as an apparent motion of objects in the visual field in the direction of stimulation by angular acceleration.…”

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confidence: 99%

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Comparison of sensitivity for the perception of bodily rotation and the oculogyral illusion

Clark

Stewart

1968

Perception & Psychophysics

148

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The purpose of this study was to compare the sensitivity of humans to angular accelerati on using the perception of rotation and the perception of the oculogyral illusion as two indicators. Ten men with normal vestibular function were studied in a precision rotation device using a random, forced choice, double staircase method to determine the thresholds. The thresholds for the oculogyral illusion were found to be substantially and significantly lower than thresholds for the perception of rotation. The implications of these findings for an understanding of the oculogyral illusion are discussed.

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Section: Methodsmentioning

confidence: 94%

mentioning

confidence: 99%

Comparison of sensitivity for the perception of bodily rotation and the oculogyral illusion

Clark

Stewart

1968

Perception & Psychophysics

148

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“…For example, under certain circumstances, ocular nystagmus and the oculogyral illusion are activated by stimulating the semicircular canals (Guedry, 1965). Similarly, sensitivity to rotation is enhanced in the presence of static visual stimuli as compared to thresholds measured in complete darkness (Clark & Stewart, 1972).…”

Section: Marcia Loopermentioning

confidence: 99%

The effect of attention loading on the inhibition of choice reaction time to visual motion by concurrent rotary motion

Looper

1976

Perception & Psychophysics

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This study investigates the influence of attention loading on the established intersensory effects of passive bodily rotation on choice reaction time (RT) to visual motion. Subjects sat at the center of rotation in an enclosed rotating chamber and observed an oscilloscope on which were, in the center, a tracking display and, 10°left of center, a RT line. Three tracking tasks and a no-tracking control condition were presented to all subjects in combination with the RT task, which occurred with and without concurrent cab rotations. Choice RT to line motions was inhibited (p < .0011 both when there was simultaneous vestibular stimulation and when there was a tracking task; response latencies lengthened progressively with increased similarity between the RT and tracking tasks. However, the attention conditions did not affect the intersensory effect; the significance of this for the nature of the sensory interaction is discussed.

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“…It v m hoped that the results would shed some light on the c u t i o n of the nonotolith gravireceptors i n the perception of the visual horizontal in normal and labyrinthine defective (L-Q men. It is well known that normal and L-D men show significant differences in such phenomena as counterrolling (l), the oculogravic illusion (2,3), and their perception of motion on a parallel sw-hg (4). At the same time i t is also well known that L-D men can ampensate for the loss of vestibular function in certain situations.…”

Section: Introductionmentioning

confidence: 99%

Influence of contact cues on the perception of the oculogravic illusion.

Clark

Graybiel

1966

PsycEXTRA Dataset

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SUMMARY PAGE THE PROBLEMThe purpose of this experiment was to study the influence of otolith and nonotolith information in the perception of the visual horizontal during rotation. Five normal men and five men with defective labyrinthine function acted as observers. All measurements were made in a room which could be rotated. Initial, static measurements were made while the men stood erect in the stationary room. Similar measurements were made during rotation while the observer stood on a platform set to the resultant horizontal with head and body aligned with resultant force. Data were also obtained with three other combinations of head and body position. This procedure was designed to produce t w situations for the normal men in which otolith and nonotolith information were synergistic and three others in which they were antagonistic. FINDINGSThe results showed that the perception of the visual horizontal during rotation in this situation is quite different from that found when the observer is rigidly supported in a chair during rotation. Settings to the visual horizontal during rotation were not systematically related to differences in head and body position nor were there significant differences between the normal and L-D men. The results show that nonotolith information predominates in this experimental situation. Furthermore, the data suggest that the spatial orientation of a pilot strapped in a cockpit may be somewhat different from his spatial orientation when he is standing on a rotating space plaiform.

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Psychophysiological Studies of Vestibular Function

Cited by 44 publications

References 85 publications

Comparison of sensitivity for the perception of bodily rotation and the oculogyral illusion

Comparison of sensitivity for the perception of bodily rotation and the oculogyral illusion

The effect of attention loading on the inhibition of choice reaction time to visual motion by concurrent rotary motion

Influence of contact cues on the perception of the oculogravic illusion.

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