4.2 Article

Young adults and multisensory time perception: Visual and auditory pathways in comparison

Journal

ATTENTION PERCEPTION & PSYCHOPHYSICS
Volume -, Issue -, Pages -

Publisher

SPRINGER
DOI: 10.3758/s13414-023-02773-7

Keywords

Multisensory; Temporal bisection task; Healthy young adults; Timing; Perception

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This study aimed to examine the behavior of healthy young adults performing a time-perception task. Experiment 1 tested the effects of temporary sensory deprivation on visual and auditory senses in young adults, while Experiment 2 compared the temporal performances of young adults with those of children in the auditory modality. The results showed that young adults overestimated time and were more sensitive to it in the auditory modality compared to the visual modality. Restricting visual and auditory input did not affect their time sensitivity. Children were also more accurate at estimating time than young adults after transient visual deprivation.
The brain continuously encodes information about time, but how sensorial channels interact to achieve a stable representation of such ubiquitous information still needs to be determined. According to recent research, children show a potential interference in multisensory conditions, leading to a trade-off between two senses (sight and audition) when considering time-perception tasks. This study aimed to examine how healthy young adults behave when performing a time-perception task. In Experiment 1, we tested the effects of temporary sensory deprivation on both visual and auditory senses in a group of young adults. In Experiment 2, we compared the temporal performances of young adults in the auditory modality with those of two samples of children (sighted and sighted but blindfolded) selected from a previous study. Statistically significant results emerged when comparing the two pathways: young adults overestimated and showed a higher sensitivity to time in the auditory modality compared to the visual modality. Restricting visual and auditory input did not affect their time sensitivity. Moreover, children were more accurate at estimating time than young adults after a transient visual deprivation. This implies that as we mature, sensory deprivation does not constitute a benefit to time perception, and supports the hypothesis of a calibration process between senses with age. However, more research is needed to determine how this calibration process affects the developmental trajectories of time perception.

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