Temporal organization of cry sounds: a comparison of cry rhythmicity in infants with and without colic

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dc.contributor.authorParker-Price, Susanen
dc.contributor.departmentPsychologyen
dc.date.accessioned2014-03-14T21:31:07Zen
dc.date.adate2009-03-12en
dc.date.available2014-03-14T21:31:07Zen
dc.date.issued1990en
dc.date.rdate2009-03-12en
dc.date.sdate2009-03-12en
dc.description.abstractThe temporal organization underlying durational components of naturally occurring infant cries was examined in 46 1-month-old infants, half of whom had been diagnosed as having colic. In a standard 90-sec crying bout for each infant, the presence or absence of expired cry sound was determined at .05-sec intervals. Binary spectrum analysis of the data detected between 8 and 23 reliable cycles in the expiration of sound in the cries of all infants. The data were characterized by a wide range of individual differences in the frequencies at which these cycles occurred and in other characteristics of the spectra. Although infants with and without colic did not reliably differ in the mean, variability, or range of the durations of expirations or bursts, the two groups were distinguished by their distributions of the total number of peaks in the power spectrum and by the frequencies at which the highest power peak, slowest cycle, and fastest cycle occurred. This study provides the first known systematic examination of the rhythmicities underlying infant crying.en
dc.description.degreeMaster of Scienceen
dc.format.extentvii, 46 leavesen
dc.format.mediumBTDen
dc.format.mimetypeapplication/pdfen
dc.identifier.otheretd-03122009-040628en
dc.identifier.sourceurlhttp://scholar.lib.vt.edu/theses/available/etd-03122009-040628/en
dc.identifier.urihttp://hdl.handle.net/10919/41462en
dc.language.isoenen
dc.publisherVirginia Techen
dc.relation.haspartLD5655.V855_1990.P384.pdfen
dc.relation.isformatofOCLC# 24096939en
dc.rightsIn Copyrighten
dc.rights.urihttp://rightsstatements.org/vocab/InC/1.0/en
dc.subject.lccLD5655.V855 1990.P384en
dc.subject.lcshColicen
dc.subject.lcshCrying in infantsen
dc.titleTemporal organization of cry sounds: a comparison of cry rhythmicity in infants with and without colicen
dc.typeThesisen
dc.type.dcmitypeTexten
thesis.degree.disciplinePsychologyen
thesis.degree.grantorVirginia Polytechnic Institute and State Universityen
thesis.degree.levelmastersen
thesis.degree.nameMaster of Scienceen

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