Dissociating the sequential dependency of subjective temporal order from subjective simultaneity

Abstract : The physical simultaneity between two events can differ from our point of subjective simultaneity (PSS). Studies using simultaneity judgments (SJ) and temporal order judgments (TOJ) tasks have shown that whether two events are reported as simultaneous is highly context-dependent. It has been recently suggested that the interval between the two events in the previous trial can modulate judgments both in SJ and TOJ tasks, an effect named rapid recalibration. In this work, we investigated rapid recalibration in SJ and TOJ tasks and tested whether centering the range of presented intervals on perceived simultaneity modulated this effect. We found a rapid recalibration effect in TOJ, but not in SJ. Moreover, we found that centering the intervals on objective or subjective simultaneity did not change the pattern of results. Interestingly, we also found no correlations between an individual's PSS in TOJ and in SJ tasks, which corroborates other studies in suggesting that these two psychophysical measures may capture different processes.
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Submitted on : Tuesday, October 15, 2019 - 10:10:49 AM
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Renan Schiavolin Recio, André Cravo, Raphael Yokoingawa de Camargo, Virginie van Wassenhove. Dissociating the sequential dependency of subjective temporal order from subjective simultaneity. PLoS ONE, Public Library of Science, 2019, 14 (10), pp.e0223184. ⟨10.1371/journal.pone.0223184⟩. ⟨inserm-02316113⟩

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