2022
Violation of non‐adjacent rule dependencies elicits greater attention to a talker's mouth in 15‐month‐old infants
Birulés J, Martinez‐Alvarez A, Lewkowicz D, de Diego‐Balaguer R, Pons F. Violation of non‐adjacent rule dependencies elicits greater attention to a talker's mouth in 15‐month‐old infants. Infancy 2022, 27: 963-971. PMID: 35833310, PMCID: PMC9542527, DOI: 10.1111/infa.12489.Peer-Reviewed Original ResearchConceptsNon-adjacent dependenciesTalker's mouthTest trialsAudiovisual speechSelective attentionAuditory speechTalker's faceInfant attentionInfants' discriminationFamiliar trialsArtificial languageLanguage acquisitionSpeech processingMore salientSpeechSame languageFaceNovel trialMonths of ageAttentionLanguageDiscriminationAuditoryActressNovel ones
2018
The redeployment of attention to the mouth of a talking face during the second year of life
de Boisferon A, Tift A, Minar N, Lewkowicz D. The redeployment of attention to the mouth of a talking face during the second year of life. Journal Of Experimental Child Psychology 2018, 172: 189-200. PMID: 29627481, PMCID: PMC5920681, DOI: 10.1016/j.jecp.2018.03.009.Peer-Reviewed Original ResearchConceptsTalker's mouthSpeech cuesAdult-directed mannerAudiovisual speech cuesWord learning phaseGreater perceptual salienceMonolingual infantsAttentional focusMonolingual EnglishPerceptual salienceEye gazeSpanish utterancesNative languageAcquisition phaseSpeech formsMonths of ageUtterancesCuesAttentionTalkersFaceSalienceGazeLexiconInfants
2016
Selective attention to a talker's mouth in infancy: role of audiovisual temporal synchrony and linguistic experience
de Boisferon A, Tift A, Minar N, Lewkowicz D. Selective attention to a talker's mouth in infancy: role of audiovisual temporal synchrony and linguistic experience. Developmental Science 2016, 20 PMID: 26743437, PMCID: PMC6340138, DOI: 10.1111/desc.12381.Peer-Reviewed Original ResearchConceptsAudio-visual synchronyTalker's mouthSelective attentionLinguistic experienceAudiovisual temporal synchronyAttentional focusBabbling phaseLanguage expertiseFluent speechEye gazeTemporal synchronySynchronized speechRelative attentionSpeechSynchronyMonths of ageAttentionTalkersLanguageExperienceGazeDesynchronizationInfantsUsual patternPrevious studies
2013
Recognition of amodal language identity emerges in infancy
Lewkowicz D, Pons F. Recognition of amodal language identity emerges in infancy. International Journal Of Behavioral Development 2013, 37: 90-94. PMID: 24648601, PMCID: PMC3956126, DOI: 10.1177/0165025412467582.Peer-Reviewed Original ResearchLanguage identityNative languageInfants' native languageVisual linguistic informationAudiovisual speechPerceptual skillsHigher order AArticulatory informationIntegration skillsSpeech processingLinguistic informationMultisensory communicationIdentityLanguageSkillsSpeechMonths of ageInvariant patternRecognitionRelationInfantsCommunicationProcessingInfancyResearch
2012
Infant perception of audiovisual synchrony in fluent speech
Pons F, Lewkowicz D. Infant perception of audiovisual synchrony in fluent speech. Multisensory Research 2012, 25: 36-36. DOI: 10.1163/187847612x646587.Peer-Reviewed Original ResearchFluent speechInfants' responsesSeparate test trialsTypes of stimuliNon-speech eventsTemporal relationsPerceptual narrowingAudiovisual syllablesInfants' perceptionAudiovisual synchronyLinguistic experienceTemporal processingLanguage effectsSpanish learningTest trialsLinguistic backgroundsSynchrony detectionInfant studiesSpeechVideo clipsAsynchronySyllablesExtant studiesPerceptionMonths of age
2011
The development of the uncanny valley in infants
Lewkowicz D, Ghazanfar A. The development of the uncanny valley in infants. Developmental Psychobiology 2011, 54: 124-132. PMID: 21761407, PMCID: PMC3197970, DOI: 10.1002/dev.20583.Peer-Reviewed Original ResearchConceptsReal human facesUncanny valleyHuman faceAvatar facesUncanny valley effectRealistic humanoid robotsPerceptual experienceComputer avatarsSocial signalsVisual preferenceValley effectDevelopmental hypothesisHumanoid robotEarly experienceNormal expectationsFaceMonths of ageDisgustExperienceEventual emergenceAlternative hypothesisAvatarHypothesisAdultsAversion
2010
Intersensory Perception at Birth: Newborns Match Nonhuman Primate Faces and Voices
Lewkowicz D, Leo I, Simion F. Intersensory Perception at Birth: Newborns Match Nonhuman Primate Faces and Voices. Infancy 2010, 15: 46-60. PMID: 32693457, DOI: 10.1111/j.1532-7078.2009.00005.x.Peer-Reviewed Original ResearchPerceptual tuningVocal gesturesSound conditionsIntersensory perceptionTone analogsSynchrony relationsPrimate facesPreference procedureExperiment 1Experiment 2Monkey callsHuman faceSilent conditionsNewborn detectionGesturesVocalizationsAudible callsMonths of ageSound trialsFaceNatural callsPerception
2009
Sequence learning in infancy: the independent contributions of conditional probability and pair frequency information
Marcovitch S, Lewkowicz D. Sequence learning in infancy: the independent contributions of conditional probability and pair frequency information. Developmental Science 2009, 12: 1020-1025. PMID: 19840056, PMCID: PMC2769011, DOI: 10.1111/j.1467-7687.2009.00838.x.Peer-Reviewed Original ResearchNarrowing of intersensory speech perception in infancy
Pons F, Lewkowicz D, Soto-Faraco S, Sebastián-Gallés N. Narrowing of intersensory speech perception in infancy. Proceedings Of The National Academy Of Sciences Of The United States Of America 2009, 106: 10598-10602. PMID: 19541648, PMCID: PMC2705579, DOI: 10.1073/pnas.0904134106.Peer-Reviewed Original ResearchConceptsPerceptual narrowingNon-native phonetic contrastsNon-native languageMultisensory speechPerceptual inputPhonetic contrastsSpeech perceptionPerceptual systemAudiovisual correspondencesCognitive developmentLanguage domainsPhonological systemInfants' responsesMonths of ageDevelopmental processesAcquisitionConventional viewLanguageSpeechPerceptionMusicIncremental processFindingsStriking findingVocalizations
2006
Development of multisensory spatial integration and perception in humans
Neil P, Chee‐Ruiter C, Scheier C, Lewkowicz D, Shimojo S. Development of multisensory spatial integration and perception in humans. Developmental Science 2006, 9: 454-464. PMID: 16911447, DOI: 10.1111/j.1467-7687.2006.00512.x.Peer-Reviewed Original ResearchConceptsMonths of ageAudiovisual integrationResponse latencyRace modelKinds of stimuliAudiovisual targetsMultisensory enhancementModality effectSuperior colliculusInfant monkeysDegrees eccentricityVisual targetsInfantsNeurophysiological findingsEye movementsInfant's headProbability summationMonthsLocalization cuesAgeFirst yearCurrent studySpatial integrationBimodal responseFindingsPerception of audiovisual rhythm and its invariance in 4‐ to 10‐month‐old infants
Lewkowicz D, Marcovitch S. Perception of audiovisual rhythm and its invariance in 4‐ to 10‐month‐old infants. Developmental Psychobiology 2006, 48: 288-300. PMID: 16617468, DOI: 10.1002/dev.20140.Peer-Reviewed Original ResearchConceptsTest trialsRelative temporal differencesTemporal pattern changesRhythmic patternsNovel tempoExperiment 1Experiment 2Pattern invarianceHuman infantsNovel rhythmFamiliar rhythmsTempo variationsPerceptionTempoMonths of ageTypes of changesRhythmic fashionInfantsInvarianceTrialsTemporal differencesRhythmAgeSuch patternsObjectsThe decline of cross-species intersensory perception in human infants
Lewkowicz D, Ghazanfar A. The decline of cross-species intersensory perception in human infants. Proceedings Of The National Academy Of Sciences Of The United States Of America 2006, 103: 6771-6774. PMID: 16618919, PMCID: PMC1458955, DOI: 10.1073/pnas.0602027103.Peer-Reviewed Original ResearchConceptsPerceptual narrowingIntersensory perceptionPairs of monkeysPerceptual developmentIntersensory matchingPerceptual systemSensory modalitiesSpecies facesHuman faceHuman infantsDifferent vocalizationsCorresponding facesYounger groupVocalizationsFaceMonths of ageOntogenetic featuresPerceptionFundamental featuresInfantsVoiceMonkeys
2003
Sound induces perceptual reorganization of an ambiguous motion display in human infants
Scheier C, Lewkowicz D, Shimojo S. Sound induces perceptual reorganization of an ambiguous motion display in human infants. Developmental Science 2003, 6: 233-241. DOI: 10.1111/1467-7687.00276.Peer-Reviewed Original ResearchAmbiguous visual displayVisual displayIllusory perceptionIdentical visual displaysAmbiguous motion displaysExperiment 2 infantsPerceptual reorganizationAttentional mechanismsVisual eventsObject knowledgeMotion displaysDevelopmental emergenceIdentical objectsBrief soundsExperiment 1Illusory effectsHuman infantsDevelopmental changesResponse recoveryPerceptionSpatial coincidenceSoundMonths of ageObjectsDisplay
1998
Effects of prenatal cocaine exposure on responsiveness to multimodal information in infants between 4 and 10 months of age.
Lewkowicz D, Karmel B, Gardner J. Effects of prenatal cocaine exposure on responsiveness to multimodal information in infants between 4 and 10 months of age. Annals Of The New York Academy Of Sciences 1998, 846: 408-11. PMID: 9668437.Peer-Reviewed Original ResearchInfants' response to the audible and visible properties of the human face: II. Discrimination of differences between singing and adult‐directed speech
Lewkowicz D. Infants' response to the audible and visible properties of the human face: II. Discrimination of differences between singing and adult‐directed speech. Developmental Psychobiology 1998, 32: 261-274. PMID: 9589215, DOI: 10.1002/(sici)1098-2302(199805)32:4<261::aid-dev1>3.0.co;2-l.Peer-Reviewed Original ResearchMeSH KeywordsAcoustic StimulationAge FactorsAttentionChild DevelopmentDiscrimination, PsychologicalFaceFemaleFixation, OcularHabituation, PsychophysiologicHumansInfantInfant BehaviorMaleMultivariate AnalysisMusicPattern Recognition, VisualPhotic StimulationSex FactorsSingle-Blind MethodSpeech PerceptionTime FactorsVoiceConceptsAdult-directed mannerAdult-directed speechHuman faceSeparate test trialsDiscrimination of differencesInfant responsivenessTest trialsInfants' responsesMonths of agePrepared scriptAudible featuresVocal characteristicsVisible propertiesGender differencesSpeechSingingTypes of changesFacePersonsBimodal changeAge groupsVisible featuresInfantsMale personsBimodal feature
1996
Infants' Response to the Audible and Visible Properties of the Human Face: 1. Role of Lexical–Syntactic Content, Temporal Synchrony, Gender, and Manner of Speech
Lewkowicz D. Infants' Response to the Audible and Visible Properties of the Human Face: 1. Role of Lexical–Syntactic Content, Temporal Synchrony, Gender, and Manner of Speech. Developmental Psychology 1996, 32: 347-366. DOI: 10.1037/0012-1649.32.2.347.Peer-Reviewed Original ResearchHuman faceManner of speechInfants' perceptionProsody cuesSynchrony relationsTemporal synchronyInfants' responsesMultimodal representationsSpeaker genderPrepared scriptAudible featuresMultimodal featuresVisible propertiesOlder groupSpeechPerceptionFaceMonths of ageTypes of changesVisible representationGenderCuesRepresentationInfantsSynchrony
1992
Infants' response to temporally based intersensory equivalence: The effect of synchronous sounds on visual preferences for moving stimuli
Lewkowicz D. Infants' response to temporally based intersensory equivalence: The effect of synchronous sounds on visual preferences for moving stimuli. Infant Behavior And Development 1992, 15: 297-324. DOI: 10.1016/0163-6383(92)80002-c.Peer-Reviewed Original ResearchAuditory-visual correspondencesVisual stimuliInfants' responsesFour-month-old infantsAuditory-visual equivalenceDirection of motionMonths of ageLack of responseComputer-generated visual stimuliIntersensory matchingSynchronous soundsInfantsVisual preferenceAge groupsTest trialsLimited evidenceInfant failureRate differencesStimuliEvidence of discriminationThird experimentPrevious reportsTemporal relationshipFirst experimentSound
1988
Sensory Dominance in Infants: 2. Ten-Month-Old Infants’ Response to Auditory-Visual Compounds
Lewkowicz D. Sensory Dominance in Infants: 2. Ten-Month-Old Infants’ Response to Auditory-Visual Compounds. Developmental Psychology 1988, 24: 172-182. DOI: 10.1037/0012-1649.24.2.172.Peer-Reviewed Original ResearchVisual componentsVisual modalityAuditory modalityAuditory componentSensory dominanceCompound stimuliHabituation phaseDiscriminative cueTemporal attributesSeries of studiesOlder infantsTemporal informationTemporal aspectsAuditorySeries of trialsMonths of ageInformation contextTemporal relationshipTen monthsInfantsCuesSalienceStimuliVisualsModalities
1985
Developmental Changes in Infants' Visual Response to Temporal Frequency
Lewkowicz D. Developmental Changes in Infants' Visual Response to Temporal Frequency. Developmental Psychology 1985, 21: 858-865. DOI: 10.1037/0012-1649.21.5.858.Peer-Reviewed Original Research