Duration perception in crossmodally-defined intervals

Mayer KM, Di Luca M, Ernst MO (2014)
Acta Psychologica 147: 2-9.

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Abstract
How humans perform duration judgments withmultisensory stimuli is an ongoing debate. Here, we investigated how sub-second duration judgments are achieved by asking participants to compare the duration of a continuous sound to the duration of an empty interval inwhich onset and offset were marked by signals of different modalities using all combinations of visual, auditory and tactile stimuli. The pattern of perceived durations across five stimulus durations (ranging from 100 ms to 900 ms) follows the Vierordt Law. Furthermore, intervals with a sound as onset (audio-visual, audio-tactile) are perceived longer than intervalswith a sound as offset. Nomodality ordering effect is found for visualtactile intervals. To infer whether a single modality-independent or multiple modality-dependent time-keeping mechanisms exist we tested whether perceived duration follows a summative or a multiplicative distortion pattern by fitting a model to all modality combinations and durations. The results confirm that perceived duration depends on sensory latency (summative distortion). Instead, we did not find evidence for multiplicative distortions. The results of the model and the behavioural data support the concept of a single time-keeping mechanism that allows for judgments of durations marked by multisensory stimuli.
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Mayer KM, Di Luca M, Ernst MO. Duration perception in crossmodally-defined intervals. Acta Psychologica. 2014;147:2-9.
Mayer, K. M., Di Luca, M., & Ernst, M. O. (2014). Duration perception in crossmodally-defined intervals. Acta Psychologica, 147, 2-9.
Mayer, K. M., Di Luca, M., and Ernst, M. O. (2014). Duration perception in crossmodally-defined intervals. Acta Psychologica 147, 2-9.
Mayer, K.M., Di Luca, M., & Ernst, M.O., 2014. Duration perception in crossmodally-defined intervals. Acta Psychologica, 147, p 2-9.
K.M. Mayer, M. Di Luca, and M.O. Ernst, “Duration perception in crossmodally-defined intervals”, Acta Psychologica, vol. 147, 2014, pp. 2-9.
Mayer, K.M., Di Luca, M., Ernst, M.O.: Duration perception in crossmodally-defined intervals. Acta Psychologica. 147, 2-9 (2014).
Mayer, Katja M., Di Luca, Massimiliano, and Ernst, Marc O. “Duration perception in crossmodally-defined intervals”. Acta Psychologica 147 (2014): 2-9.
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27 References

Data provided by Europe PubMed Central.

Audiotactile temporal order judgments.
Zampini M, Brown T, Shore DI, Maravita A, Roder B, Spence C., Acta Psychol (Amst) 118(3), 2005
PMID: 15698825
Audio-visual simultaneity judgments.
Zampini M, Guest S, Shore DI, Spence C., Percept Psychophys 67(3), 2005
PMID: 16119399

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