Perceived Duration in Crossmodally Defined Intervals

Mayer, KM

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Perceived Duration in Crossmodally Defined Intervals

Mayer, K. (2007). Perceived Duration in Crossmodally Defined Intervals. Diploma Thesis, Eberhard-Karls-Universität, Tübingen, Germany.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-0013-CF29-4 Version Permalink: http://hdl.handle.net/21.11116/0000-0004-0196-1

Genre: Thesis

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Mayer, KM^{1, 2, 3}, Author

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1Research Group Multisensory Perception and Action, Max Planck Institute for Biological Cybernetics, Max Planck Society, ou_1497806
2Department Human Perception, Cognition and Action, Max Planck Institute for Biological Cybernetics, Max Planck Society, ou_1497797
3Max Planck Institute for Biological Cybernetics, Max Planck Society, Spemannstrasse 38, 72076 Tübingen, DE, ou_1497794

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Abstract: This diploma thesis investigates how perceived duration is affected by crossmodal signals. All combinations of pairs of auditory, visual, and tactile signals were used to mark empty intervals with a duration between 100 and 900 ms. In a two-interval forced-choice task, participants compared the duration of these crossmodal intervals to continuous sounds. Audiovisual intervals were perceived to be shorter when the light preceded the sound than vice versa. Audiotactile intervals were perceived to be shorter when the vibration preceded the sound than vice versa. No similar pattern was registered with the use of visual and tactile stimuli. There was a trend to underestimate durations of 500 ms or longer for all three combinations of signals, and a similar pattern was found in two out of three control experiments involving only auditory signals. These results are explained by a combination of differences in sensory latencies and time perception biases as the filled duration illusion and the Vierordt Law.

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Dates: Published in Print: 2007

Publication Status: Published in print

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Publishing info: Tübingen, Germany : Eberhard-Karls-Universität

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Identifiers: BibTex Citekey: 4763

Degree: Diploma

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