Linear Self Motion Perception

Berthoz, Alain; Droulez, J.

doi:10.1007/978-1-4613-3569-6_6

Cited by 31 publications

(29 citation statements)

References 58 publications

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“…Vections can be triggered by a moving visual stimulus, or by vestibular and visual stimuli (Dichgans & Brandt, 1978). The perceived direction ofthe induced selfmotion is always opposite to the direction of the stimulation (Berthoz & Droulez, 1982;Dichgans & Brandt, 1978). The visual and the vestibular systems work in a complementary and overlapping way.…”

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confidence: 99%

“…nin, 1982). Finally, a dominance of the visual system in processing visuovestibular information can be observed in the case ofcircular vection (Biittner & Henn, 1981;Probst, Straube, & Bles, 1985), or in the case ofrectilinear vection (Berthoz & Droulez, 1982;Berthoz, Pavard & Young, 1975). This result may be related not only to the existence of neurons in the dorsal part of the medial superior temporal visual area (MSTd) in the monkey which strongly respond to optical flow stimuli (Lappe & Rauschecker, 1993;Tanaka & Saito, 1989;Wurtz & Duffy, 1992) but also to the centrifugal organization of neuronal direction preferences found in the extrastriate visual area PMLS in the cat (Rauschecker, von Griinau, & Poulin, 1987).1…”

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confidence: 99%

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Spatiotemporal boundaries of linear vection

Sauvan

Brunet

1995

Perception & Psychophysics

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Thresholds for the perception of linear vection were measured. These thresholds allowed us to define the spatiotemporal contrast surface sensitivity and the spatiotemporal domain of the perception of rectilinear vection (a visually induced self-motion in a straight line). Moreover, a Weber's law was found, such that a mean relative differential threshold in angular velocity of about 41% is necessary to perceive curvilinear vection. This visually induced self-motion corresponds to the sensation of moving in a curved path. It is proposed that curvilinear vection is induced when the apparent velocity difference is detectable. The spatiotemporal domain of perception of rectilinear vection and its spatiotemporal contrast surface sensitivity are centered on low spatial frequencies. Concurrently, the values which correspond to the relative differential thresholds of curvilinear vection are low spatial frequencies. Accordingly, the peripheral ambient visual system seems to be involved in perceiving linear veetion. It is argued further that the central ambient system might also be involved in the processing of linear vection.

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Spatiotemporal boundaries of linear vection

Sauvan

Brunet

1995

Perception & Psychophysics

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“…For example, a number of studies have indicated that the visual and vestibular systems are associated with inducing self-motion (Dichgans et al 1974;Berthoz & Droulez 1982;Andersen 1986;Howard 1986). A recent study has verified that perceived self-motion can be induced when head movement is synchronized with jitter (Ash et al, 2013).…”

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confidence: 99%

Self-Motion Perception Induced by Cutaneous Sensation Caused by Constant Wind

Murata¹,

Seno²,

Ozawa³

et al. 2014

PSYCH

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We first in the history of vection research, challenged to induce cutaneous vection by providing the participants body with wind. Participants wore an eye mask to block out all outside visual information, and white noise was presented through a pair of earphones to block out all outside auditory information. We also provided body sway by using a horse-riding machine. The constant wind was provided to the participants from the front, side and behind of them. The results clearly showed that the cutaneous vection by wind was obtained in almost all participants. Even by only wind to the body could induce vection.

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“…This kind of self-motion perception is usually referred to as vection (Fischer & Kornmiiller, 1930). Vision is the best documented modality that induces vection (Berthoz & Droulez, 1982;Berthoz, Pavard, & Young, 1975;Brandt, Wist, & Dichgans, 1971;Dichgans & Brandt, 1978;Howard, 1982Howard, , 1986Mach, 1875Mach, /1967. Vection can, however, be elicited by other sensory modalities that register the environmental scene.…”

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confidence: 99%

“…J The dynamics of the induction of saturated vection have been investigated using different kinds of experimental setups such as rotating chairs, sleds, and flight simulators, and providing visual stimuli that cover specific parts of the visual field (e.g., Andersen & Braunstein, 1985;Brandt, Dichgans, & Koenig, 1973) or the entire visual field (e.g., Buttner & Henn, 1981;Dichgans & Brandt, 1978). It was demonstrated earlier (e.g., Berthoz & Droulez, 1982) that saturated vection can be induced when the visual scene suggests translatory self-motion at a constant velocity in an inertial reference frame-that is, self-motion that is free from linear and angular accelerations of the body. The only rotational self-motion in which no significant forces or angular accelerations occur is a (not a too high) constant angular velocity about the gravitational vertical, provided that the observer does not make any head or limb movements that would result in centrifugal and Coriolis accelerations.…”

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Induction and impairment of saturated yaw and surge vection

Steen

Brockhoff

2000

Perception & Psychophysics

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A flight simulator was used to investigate the perception of self-motion and visual scene motion during the induction of saturated 10 deglsec yaw and 50 m/sec surge vection, and during subsequent impairment of saturated vection by inertial motions. The subjects (n = 5) did not perceive any selfacceleration or visual scene deceleration during the induction of saturated vection but perceived a rather sudden change in self-velocity and visual scene velocity. The mean group times to saturated veetion were 3.0 sec for yaw and 2.7 sec for surge. Above certain inertial motion amplitudes, the subjects reported additional self-motion from the applied inertial motions while experiencing saturated veetion. To impair saturated yaw vection, these amplitudes were 0.6 m/sec-, 0.4 m/sec-, 8 deg/sec-, and 5 deg/sec 2, for surge, sway, roll and yaw motions, respectively. To impair saturated surge vection, these amplitudes were 0.6 m/sec-, 0.3 m/sec-, 5 deg/sec-, and 4 deg/sec-, respectively. The results indicate that saturated vection is more robust for translations than for rotations because the rotational inertial amplitudes were closer to the amplitudes at which the applied inertial motion was perceived than the translational inertial amplitudes.

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Linear Self Motion Perception

Cited by 31 publications

References 58 publications

Spatiotemporal boundaries of linear vection

Spatiotemporal boundaries of linear vection

Self-Motion Perception Induced by Cutaneous Sensation Caused by Constant Wind

Induction and impairment of saturated yaw and surge vection

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