Article Dans Une Revue Attention, Perception, and Psychophysics Année : 2023

Hand movements influence the perception of time in a prediction motion task

Résumé

Human perception of time is far from accurate and is subject to distortions. Previous research has demonstrated that any manipulation that distorts the perceived velocity of visible moving objects may shift prediction motion (PM) performance during occlusion. However, it is not clear whether motor action has the same influence during occlusion in the PM task. This work evaluated the influence of action on PM performance in two experiments. In both cases, participants performed an interruption paradigm, evaluating if an occluded object had reappeared earlier or later than expected. This task was done simultaneously with a motor action. In Experiment 1, we compared the PM performance according to the timing of the action made while the object was still visible or occluded. In Experiment 2, participants had to perform (or not) a motor action if the target was green (or red). In both experiments, our results showed that the duration of the object's occlusion was underestimated in the specific case of acting during the occlusion period. These results suggest that action and temporal perception share similar neural bases. Future research is needed to confirm this hypothesis.

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hal-04405457 , version 1 (22-01-2024)

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Xuening Li, Robin Baurès, Sylvain Cremoux. Hand movements influence the perception of time in a prediction motion task. Attention, Perception, and Psychophysics, 2023, 85, pp.1276 - 1286. ⟨10.3758/s13414-023-02690-9⟩. ⟨hal-04405457⟩
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