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Matin,

doi:10.1016/0957-4271(95)02003-b

Cited by 42 publications

(3 citation statements)

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“…The idea of sensory reweighting has been widely established in behavioral tasks, but few studies have looked at visual-vestibular reweighting in the brain. Behavioral studies have suggested that the visual-vestibular interactions in the rod-and-frame task are the result of visual contextual information being interpreted as a head-inspace orientation signal, which is combined with a vestibular head-in-space signal to provide a percept of the gravitational vertical Matin 2005a, 2005b;Matin and Li 1995;Vingerhoets et al 2009). At the neurophysiological level, Laurens et al (2016) reported gravity orientation tuning in the thalamus, which may be involved in some of this processing.…”

Section: Discussionmentioning

confidence: 99%

“…For example, roll tilting the head is detected not only by neck proprioceptors but also by vestibular sensors located in the inner ear. Another reason is that cues may be in conflict with each other; for example, visual cues could conflict with graviceptive information provided by the otoliths and pressure receptors (Eggert 1992(Eggert , 1998Matin 2005a, 2005b;Matin and Li 1995;Vingerhoets et al 2009). A third reason is that sensory signals are often ambiguous, e.g., the otoliths cannot distinguish gravity from other linear accelerations (Angelaki and Yakusheva 2009;Fernández and Goldberg 1976).…”

Section: Introductionmentioning

confidence: 99%

“…Here we fill this gap in the literature by combining experimental psychophysics with a reverse engineering approach to quantify sensory reweighting in individual DFNA9 patients and healthy control subjects. We use a rod-and-frame task, in combination with head tilt, to determine the contributions of visual, vestibular, and nonvestibular signals to gravity perception (Bagust 2005;Beh et al 1971;Beh and Wenderoth 1972;Mars et al 2004;Matin and Li 1995;Witkin and Asch 1948). On the basis of optimal Bayesian inference principles we reverse engineered the noise characteristics of the sensory modalities and quantified the weights of the visual and nonvestibular cues for individual patients (and control subjects).…”

Section: Introductionmentioning

confidence: 99%

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Bayesian quantification of sensory reweighting in a familial bilateral vestibular disorder (DFNA9)

Alberts

Selen

Verhagen

et al. 2018

Journal of Neurophysiology

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DFNA9 is a rare progressive autosomal dominantly inherited vestibulo-cochlear disorder, resulting in a homogeneous group of patients with hearing impairment and bilateral vestibular function loss. These patients suffer from a deteriorated sense of spatial orientation, leading to balance problems in darkness, especially on irregular surfaces. Both behavioral and functional imaging studies suggest that the remaining sensory cues could compensate for the loss of vestibular information. A thorough model-based quantification of this reweighting in individual patients is, however, missing. Here we psychometrically examined the individual patient's sensory reweighting of these cues after complete vestibular loss. We asked a group of DFNA9 patients and healthy control subjects to judge the orientation (clockwise or counterclockwise relative to gravity) of a rod presented within an oriented square frame (rod-in-frame task) in three different head-on-body tilt conditions. Our results show a cyclical frame-induced bias in perceived gravity direction across a 90° range of frame orientations. The magnitude of this bias was significantly increased in the patients compared with the healthy control subjects. Response variability, which increased with head-on-body tilt, was also larger for the patients. Reverse engineering of the underlying signal properties, using Bayesian inference principles, suggests a reweighting of sensory signals, with an increase in visual weight of 20-40% in the patients. Our approach of combining psychophysics and Bayesian reverse engineering is the first to quantify the weights associated with the different sensory modalities at an individual patient level, which could make it possible to develop personal rehabilitation programs based on the patient's sensory weight distribution. NEW & NOTEWORTHY It has been suggested that patients with vestibular deficits can compensate for this loss by increasing reliance on other sensory cues, although an actual quantification of this reweighting is lacking. We combine experimental psychophysics with a reverse engineering approach based on Bayesian inference principles to quantify sensory reweighting in individual vestibular patients. We discuss the suitability of this approach for developing personal rehabilitation programs based on the patient's sensory weight distribution.

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Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Bayesian quantification of sensory reweighting in a familial bilateral vestibular disorder (DFNA9)

Alberts

Selen

Verhagen

et al. 2018

Journal of Neurophysiology

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Difference in the perception of the horizon during true and simulated tilt in the absence of semicircular canal cues

et al. 2006

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Perception of tilt (somatogravic illusion) in response to sustained linear acceleration is generally attributed to the otolithic system which reflects either a translation of the head or a reorientation of the head with respect to gravity (tilt/translation ambiguity). The main aim of this study was to compare the tilt perception during prolonged static tilt and translation between 8 and 20 degrees of tilt relative to the gravitoinertial forces (i.e., G and GIF, respectively) when the semicircular cues were no more available. An indirect measure of tilt perception was estimated by means of a visual and kinesthetic judgment of the gravitational horizon. The main results contrast with the interpretation regarding the tilt/translation ambiguity as the same orientation relative to the shear forces G for the true tilt or GIF in the centrifuge did not induce the same horizon perception. Visual adjustment and arm pointing in the centrifuge were always above the ones observed in a G environment. Part of the lowering of the judgment in the centrifuge may be related to the mechanical effect of GIF on the effectors as shown by the shift of the egocentric coordinates in the direction of GIF. The role of the extravestibular graviceptors in the judgment of the degree of tilt of one's own body relative to G or GIF was discussed.

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Judging beforehand the possibility of passing under obstacles without motion: the influence of egocentric and geocentric frames of reference

et al. 2007

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Previous studies have shown that the perception of the earth-based visual horizon, also named Gravity Referenced Eye Level (GREL), is modified by body tilt around a trans-ocular axis. Here, we investigated whether estimates of the elevation of a luminous horizontal line presented on a screen in otherwise darkness and estimates of the possibility of passing under are identically related to body tilt in absence of motion. Results showed that subjects overestimated the elevation of the projected line, whatever their body orientation. In the same way, subjects also overestimated their capacity of passing under the line. Both estimates appeared as a linear function of body tilt, that is, forward body tilt yielded increased overestimations, and backward body tilt yielded decreased overestimations. More strikingly, the linear effect of body tilt upon these estimates is comparable to that previously observed for direct GREL judgements. Overall, these data strongly suggest that the perception of the elevation of a visible obstacle and the perception of the ability of passing under in otherwise darkness shared common processes which are intimately linked to the GREL perception. The effect of body tilt upon these perceptions may illustrate an egocentric influence upon the semi-geocentric frame of reference required to perform the task. Possible interactions between egocentric and geocentric frames of reference are discussed.

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Cited by 42 publications

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Bayesian quantification of sensory reweighting in a familial bilateral vestibular disorder (DFNA9)

Bayesian quantification of sensory reweighting in a familial bilateral vestibular disorder (DFNA9)

Difference in the perception of the horizon during true and simulated tilt in the absence of semicircular canal cues

Judging beforehand the possibility of passing under obstacles without motion: the influence of egocentric and geocentric frames of reference

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