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Intégration multisensorielle et variabilité interindividuelle

Abstract : Each person extract from sensory information directional invariant which allow him to perceive his spatial situation as well as those of objects surround him. In usual situations, processing relative to spatial orientation is carried out from relatively redundant reference. This redundancy allows both the setting up of preferential individual sensibility regarding those reference and important flexibility in choice of reference. Durant this work, we tested two main hypotheses. The first one is that observed interindividual differences during spatial orientation perception task depend on reference choice. The second one is that one of explanatory factors of interindividual differences during spatial orientation perception task be set in multisensory integration rules level used by the person. Results show that all frame of reference seem to consider by the people rejecting the first hypothesis according to which interindividual differences be explained by the ability of some subjects to exploit the "good" frame of reference. Results show that one of explanatory factors of interindividual differences is set in the way of central nervous system combine several information, some subjects (DC) seems unable to minimize "wrong" frame of reference influence (the least appropriate, the most biased) by reducing respective weight.
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Marc Gueguen. Intégration multisensorielle et variabilité interindividuelle. Psychologie. Université Paris Sud - Paris XI, 2011. Français. ⟨NNT : 2011PA113009⟩. ⟨tel-00659199⟩

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