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Verfasst von:Haß, Joachim [VerfasserIn]   i
 Blaschke, Stefan [VerfasserIn]   i
 Herrmann, J. Michael [VerfasserIn]   i
Titel:Cross-modal distortion of time perception
Titelzusatz:demerging the effects of observed and performed motion
Verf.angabe:Joachim Hass, Stefan Blaschke, J. Michael Herrmann
E-Jahr:2012
Jahr:June 12, 2012
Umfang:8 S.
Fussnoten:Gesehen am 10.09.2018
Titel Quelle:Enthalten in: PLOS ONE
Ort Quelle:San Francisco, California, US : PLOS, 2006
Jahr Quelle:2012
Band/Heft Quelle:7(2012,6) Artikel-Nummer e38092, 8 Seiten
ISSN Quelle:1932-6203
Abstract:Temporal information is often contained in multi-sensory stimuli, but it is currently unknown how the brain combines e.g. visual and auditory cues into a coherent percept of time. The existing studies of cross-modal time perception mainly support the ‘‘modality appropriateness hypothesis’’, i.e. the domination of auditory temporal cues over visual ones because of the higher precision of audition for time perception. However, these studies suffer from methodical problems and conflicting results. We introduce a novel experimental paradigm to examine cross-modal time perception by combining an auditory time perception task with a visually guided motor task, requiring participants to follow an elliptic movement on a screen with a robotic manipulandum. We find that subjective duration is distorted according to the speed of visually observed movement: The faster the visual motion, the longer the perceived duration. In contrast, the actual execution of the arm movement does not contribute to this effect, but impairs discrimination performance by dual-task interference. We also show that additional training of the motor task attenuates the interference, but does not affect the distortion of subjective duration. The study demonstrates direct influence of visual motion on auditory temporal representations, which is independent of attentional modulation. At the same time, it provides causal support for the notion that time perception and continuous motor timing rely on separate mechanisms, a proposal that was formerly supported by correlational evidence only. The results constitute a counterexample to the modality appropriateness hypothesis and are best explained by Bayesian integration of modality-specific temporal information into a centralized ‘‘temporal hub’’.
DOI:doi:10.1371/journal.pone.0038092
URL:Bitte beachten Sie: Dies ist ein Bibliographieeintrag. Ein Volltextzugriff für Mitglieder der Universität besteht hier nur, falls für die entsprechende Zeitschrift/den entsprechenden Sammelband ein Abonnement besteht oder es sich um einen OpenAccess-Titel handelt.

Volltext: http://dx.doi.org/10.1371/journal.pone.0038092
 Volltext: http://dx.plos.org/10.1371/journal.pone.0038092
 DOI: https://doi.org/10.1371/journal.pone.0038092
Datenträger:Online-Ressource
Sprache:eng
K10plus-PPN:1580824625
Verknüpfungen:→ Zeitschrift

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