Contextualizing the clock(s) : integrating cues for the perception of time and timing an action

Abstract : Relevant events in our environment are embedded in the complex, multisensory stream of information. Time perception is malleable, and numerous time illusions suggest that the perceived time of events is affected by context. The work presented in this thesis investigated how different aspects of human time perception and timing an action are affected by context. In the first part of the thesis, we investigated how the explicitness of the event onset affects perceived elapsed time between two points in time. The temporal context affected the estimates more in the implicit onset condition. The estimates were more biased towards the mean of the presented durations, and sensitivity of duration discrimination sensitivity was lower in the condition with no explicit onset of the duration to be timed. The effects of the temporal and spatial context on the perceived time of events were addressed in the second part. The findings suggest that the perceived time of events can be easily and compulsory biased by the temporal and spatial context. Findings from these studies support the hypothesis that the perceived time of events does not always correspond the the perceptual latencies measured in the reaction time tasks, and that the saliency is an important cue for the perceived time. Finally, in the third part, we investigated how different sources of uncertainty affect the timing and self-evaluation of an action. The findings suggest that timing an action and evaluating its outcome may, at least in part, rely on different computations.
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Ljubica Jovanovic. Contextualizing the clock(s) : integrating cues for the perception of time and timing an action. Psychology. PSL Research University, 2018. English. ⟨NNT : 2018PSLEE034⟩. ⟨tel-02137518⟩

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