Effects of Prenatal Sensory-Evoked Arousal on Postnatal Behavior and Perceptual Responsiveness in Bobwhite Quail (Colinus virginianus)

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dc.contributor.authorReynolds, Gregory Durelleen
dc.contributor.committeechairLickliter, Robert E.en
dc.contributor.committeecochairCooper, Robin K. Pannetonen
dc.contributor.committeememberHarrison, David W.en
dc.contributor.committeememberBell, Martha Annen
dc.contributor.committeememberHoffman, Kurt A.en
dc.contributor.departmentPsychologyen
dc.date.accessioned2014-03-14T20:11:37Zen
dc.date.adate2002-05-15en
dc.date.available2014-03-14T20:11:37Zen
dc.date.issued2002-05-02en
dc.date.rdate2003-05-15en
dc.date.sdate2002-05-06en
dc.description.abstractPrenatal sensory stimulation can have facilitative or interfering effects upon subsequent perceptual learning and development in bobwhite quail. Exposure to moderate amounts of unimodal prenatal sensory stimulation has been shown to accelerate early intersensory responsiveness, while exposure to concurrent prenatal bimodal sensory stimulation has been shown to interfere with perceptual learning and development. An immediate mechanism that may underlie this developmental intersensory interference is the arousal level of the organism associated with exposure to prenatal bimodal stimulation. Concurrent bimodal stimulation is known to elicit significantly higher levels of behavioral arousal and heart rate in bobwhite quail embryos. This study investigated the possibility that increased arousal associated with prenatal bimodal stimulation could have enduring effects upon subsequent postnatal behavioral organization and perceptual abilities in bobwhite quail. Subjects were exposed to one of three prenatal stimulation regimes: (a) concurrent bimodal (auditory/visual) stimulation, (b) unimodal auditory stimulation, or (c) no supplemental stimulation. Chicks exposed to concurrent prenatal bimodal stimulation demonstrated significantly greater levels of behavioral activity as well as decreased social behavior in the open-field when compared to unimodal auditory subjects and controls. Additionally, prenatal bimodal exposure may have led to a failure to utilize multimodal maternal cues in determining species-specific perceptual preferences in the days following hatching. All exposure groups demonstrated postnatal auditory learning of a maternal call, thus no interference effect was found for concurrent prenatal bimodal stimulation on postnatal auditory learning. These results suggest that concurrent prenatal bimodal stimulation has enduring effects upon postnatal behavioral arousal that may impact perceptual responsiveness of bobwhite quail in the days following hatching.en
dc.description.degreePh. D.en
dc.identifier.otheretd-05062002-190928en
dc.identifier.sourceurlhttp://scholar.lib.vt.edu/theses/available/etd-05062002-190928/en
dc.identifier.urihttp://hdl.handle.net/10919/27556en
dc.publisherVirginia Techen
dc.relation.haspart01Reynoldsdissertation.pdfen
dc.rightsIn Copyrighten
dc.rights.urihttp://rightsstatements.org/vocab/InC/1.0/en
dc.subjectbobwhite quailen
dc.subjectperceptual developmenten
dc.subjectbehavioral arousalen
dc.titleEffects of Prenatal Sensory-Evoked Arousal on Postnatal Behavior and Perceptual Responsiveness in Bobwhite Quail (Colinus virginianus)en
dc.typeDissertationen
thesis.degree.disciplinePsychologyen
thesis.degree.grantorVirginia Polytechnic Institute and State Universityen
thesis.degree.leveldoctoralen
thesis.degree.namePh. D.en

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