Do humans and nonhuman animals share the grouping principles of the Iambic-Trochaic Law?

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• dc.contributor.author Martínez de la Mora, Daniela, 1983-ca
• dc.contributor.author Nespor, Marinaca
• dc.contributor.author Toro Soto, Juan Manuel, 1976-ca
• dc.date.accessioned 2017-10-04T13:31:33Z
• dc.date.available 2017-10-04T13:31:33Z
• dc.date.issued 2013
• dc.description.abstract The Iambic-Trochaic Law describes humans’ tendency to form trochaic groups over sequences varying in pitch or intensity (i.e., the loudest or highest sound marks group beginnings), and iambic groups over sequences varying in duration (i.e., the longest sound marks group endings). The extent to which these perceptual biases are shared by humans and nonhuman animals is yet unclear. In Experiment 1, we trained rats to discriminate pitch-alternating sequences of tones from sequences randomly varying in pitch. In Experiment 2, rats were trained to discriminate duration-alternating sequences of tones from sequences randomly varying in duration. We found that nonhuman animals group as trochees sequences based on pitch variations, but they do not group as iambs sequences varying in duration. Importantly, humans grouped the same stimuli following the principles of the Iambic-Trochaic Law (Experiment 3). These results suggest an early emergence of the trochaic rhythmic grouping bias based on pitch, possibly relying on perceptual abilities shared by humans and other mammals as well, whereas the iambic rhythmic grouping bias based on duration might depend on language experience.en
• dc.description.sponsorship This research was supported by grants Consolider Ingenio CSD2007-00012 and PSI2010-20029, as well as by ERC grant agreement n.312519 to JMT, and by (FP7/2007-2013)/ERC grant agreement n.269502 (PASCAL) to MN. We thank Tere Rodrigo and staff from the Laboratorio de Psicología Animal of the Universitat de Barcelona for their help with the experiments, and three anonymous reviewers for their fruitful comments.en
• dc.format.mimetype application/pdf
• dc.identifier.citation De la Mora DM, Nespor M, Toro JM. Do humans and nonhuman animals share the grouping principles of the Iambic-Trochaic Law?. Atten Percept Psychophys. 2013 Jan;75(1):92-100. DOI: 10.3758/s13414-012-0371-3
• dc.identifier.doi http://dx.doi.org/10.3758/s13414-012-0371-3
• dc.identifier.issn 1943-3921
• dc.identifier.uri http://hdl.handle.net/10230/32849
• dc.language.iso eng
• dc.publisher Springerca
• dc.relation.ispartof Attention, perception & psychophysics. 2013 Jan;75(1):92-100.
• dc.relation.projectID info:eu-repo/grantAgreement/EC/FP7/312519
• dc.relation.projectID info:eu-repo/grantAgreement/EC/FP7/269502
• dc.relation.projectID info:eu-repo/grantAgreement/ES/3PN/PSI2010-20029
• dc.relation.projectID info:eu-repo/grantAgreement/ES/PN/CSD2007-00012
• dc.rights © Springer (The original publication is available at www.springerlink.com)
• dc.rights.accessRights info:eu-repo/semantics/openAccess
• dc.subject.keyword Iambic - trochaic lawen
• dc.subject.keyword Comparative cognitionen
• dc.subject.keyword Perceptual biasen
• dc.subject.keyword Speechen
• dc.title Do humans and nonhuman animals share the grouping principles of the Iambic-Trochaic Law?ca
• dc.type info:eu-repo/semantics/article
• dc.type.version info:eu-repo/semantics/acceptedVersion