1994
Developmental Differences in Infant Attention to the Spectral Properties of Infant‐directed Speech
Cooper R, Aslin R. Developmental Differences in Infant Attention to the Spectral Properties of Infant‐directed Speech. Child Development 1994, 65: 1663-1677. PMID: 7859548, DOI: 10.1111/j.1467-8624.1994.tb00841.x.Peer-Reviewed Original ResearchConceptsID speechExaggerated pitch contoursSine-wave analogsPitch contourAdult-directed speechInfant-directed speechInfant attentionAD speechPrepotent stimulusCommunicative signalsPerceptual acuityPreference procedureDevelopmental differencesNatural recordingsProsodic featuresAcoustic featuresFourth experimentSpeechPitch characteristicsOlder infantsThird experimentYoung infantsInteractive experienceMonths of ageFundamental frequency
1990
Preference for Infant‐directed Speech in the First Month after Birth
Cooper R, Aslin R. Preference for Infant‐directed Speech in the First Month after Birth. Child Development 1990, 61: 1584-1595. PMID: 2245748, DOI: 10.1111/j.1467-8624.1990.tb02885.x.Peer-Reviewed Original ResearchConceptsInfant-directed speechAD speechAdult-directed speechPrenatal auditory experienceYoung infantsID speechSpeech preferenceInfants' preferenceVisual stimuliSpeech processingAuditory experienceTask variablesExperiment 1Prosodic featuresPostnatal experienceSpeechBehavioral preferencesOlder infantsPreferencesExperienceInfantsFirst monthStimuliSignificant differencesPossible role