2022
The multisensory cocktail party problem in children: Synchrony-based segregation of multiple talking faces improves in early childhood
Lewkowicz D, Schmuckler M, Agrawal V. The multisensory cocktail party problem in children: Synchrony-based segregation of multiple talking faces improves in early childhood. Cognition 2022, 228: 105226. PMID: 35882100, DOI: 10.1016/j.cognition.2022.105226.Peer-Reviewed Original ResearchConceptsPerceptual segregationTalking faceSame utteranceCocktail party problemEarly childhoodAV speechAudiovisual speechTalker's mouthSelective attentionMultiple talkersDevelopmental emergenceEye trackingParty problemTalkersDifferent facesSpeechUtterancesChildrenFaceChildhoodAttentionPowerful basisMeaningful informationSynchronyVersion
2021
The multisensory cocktail party problem in adults: Perceptual segregation of talking faces on the basis of audiovisual temporal synchrony
Lewkowicz D, Schmuckler M, Agrawal V. The multisensory cocktail party problem in adults: Perceptual segregation of talking faces on the basis of audiovisual temporal synchrony. Cognition 2021, 214: 104743. PMID: 33940250, DOI: 10.1016/j.cognition.2021.104743.Peer-Reviewed Original ResearchConceptsAudiovisual temporal synchronyTalking facePerceptual segregationTemporal synchronySpeech utterancesCocktail party problemMultisensory coherenceTalker's eyesAudible utterancesSame speech utteranceEye trackingParty problemSocial interactionUtterancesFaceSynchronyParticipantsAdultsScanning strategyVersionSceneFindingsPreferencesCoherence
2020
Does any mother’s body odor stimulate interest in mother’s face in 4‐month‐old infants?
Durand K, Schaal B, Goubet N, Lewkowicz D, Baudouin J. Does any mother’s body odor stimulate interest in mother’s face in 4‐month‐old infants? Infancy 2020, 25: 151-164. PMID: 32749059, DOI: 10.1111/infa.12322.Peer-Reviewed Original ResearchConceptsMother's body odorMother's faceStranger's faceFemale facesBody odorControl odorEffects of olfactionMultisensory perceptionVisual processingVisual preferenceExperiment 1Experiment 2Pervasive aspectOlfactory stimulationFaceBody of evidenceOdorInfantsPerceptionProcessingInfancyOlfactionContextMothersFindings
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
2017
Overcoming the other‐race effect in infancy with multisensory redundancy: 10–12‐month‐olds discriminate dynamic other‐race faces producing speech
Minar N, Lewkowicz D. Overcoming the other‐race effect in infancy with multisensory redundancy: 10–12‐month‐olds discriminate dynamic other‐race faces producing speech. Developmental Science 2017, 21: e12604. PMID: 28944541, DOI: 10.1111/desc.12604.Peer-Reviewed Original Research
2015
Bilingualism Modulates Infants’ Selective Attention to the Mouth of a Talking Face
Pons F, Bosch L, Lewkowicz D. Bilingualism Modulates Infants’ Selective Attention to the Mouth of a Talking Face. Psychological Science 2015, 26: 490-498. PMID: 25767208, PMCID: PMC4398611, DOI: 10.1177/0956797614568320.Peer-Reviewed Original ResearchConceptsBilingual infantsNonnative speechSelective attentionSpeech cuesAudiovisual speech cuesGreater perceptual salienceMonolingual infantsAudiovisual speechPerceptual salienceTalking faceBilingual inputBilingual environmentSocial interactionInfant's needsSpeechCuesPattern of responseAcquisition processAdaptive processLanguageAttentionEarly ageMonolingualsBilingualsFace
2014
Perception of the multisensory coherence of fluent audiovisual speech in infancy: Its emergence and the role of experience
Lewkowicz D, Minar N, Tift A, Brandon M. Perception of the multisensory coherence of fluent audiovisual speech in infancy: Its emergence and the role of experience. Journal Of Experimental Child Psychology 2014, 130: 147-162. PMID: 25462038, PMCID: PMC4258456, DOI: 10.1016/j.jecp.2014.10.006.Peer-Reviewed Original ResearchConceptsMultisensory coherenceAudiovisual speechSpeech streamNon-native speechRole of experienceLearning infantsPerceptual expertisePerceptual narrowingAudiovisual synchronyFemale facesFluent speechVisible articulationDevelopmental emergenceTest trialsNative languageSpeechCurrent findingsPerceptionMonologueSynchronyFaceInfancyCuesCoherenceSkillsCategorical congruence facilitates multisensory associative learning
Barenholtz E, Lewkowicz D, Davidson M, Mavica L. Categorical congruence facilitates multisensory associative learning. Psychonomic Bulletin & Review 2014, 21: 1346-1352. PMID: 24671776, PMCID: PMC6469507, DOI: 10.3758/s13423-014-0612-7.Peer-Reviewed Original ResearchConceptsHuman voiceMultisensory propertiesNonhuman stimuliArbitrary associationsAssociative learningMale facesAssociative pairsAnimal picturesExperiment 1Experiment 2Inanimate objectsIndividual objectsMale voiceLearningFemale voiceDaily lifeFaceObjectsPrivileged formCongruencyVoiceStimuliVocalizationsPicture
2012
Infants deploy selective attention to the mouth of a talking face when learning speech
Lewkowicz D, Hansen-Tift A. Infants deploy selective attention to the mouth of a talking face when learning speech. Proceedings Of The National Academy Of Sciences Of The United States Of America 2012, 109: 1431-1436. PMID: 22307596, PMCID: PMC3277111, DOI: 10.1073/pnas.1114783109.Peer-Reviewed Original ResearchConceptsNonnative speechEye gazeAdult's eye gazeAudiovisual speech cuesSpeech production abilitiesNonnative languageAudiovisual attentionPerceptual narrowingSpeech formsSelective attentionSpeech cuesAudiovisual cuesSocial cuesHuman infancySpeechCuesCurrent findingsLanguageEarly experienceSecond shiftAttentionEnglishMonologueRecitingGaze
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
2009
Heterochrony and Cross-Species Intersensory Matching by Infant Vervet Monkeys
Zangenehpour S, Ghazanfar A, Lewkowicz D, Zatorre R. Heterochrony and Cross-Species Intersensory Matching by Infant Vervet Monkeys. PLOS ONE 2009, 4: e4302. PMID: 19172998, PMCID: PMC2627929, DOI: 10.1371/journal.pone.0004302.Peer-Reviewed Original Research
2006
The 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
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 ResearchEffects of Prenatal Cocaine Exposure on Responsiveness to Multimodal Information in Infants between 4 and 10 Months of Agea
Lewkowicz D, Karmel B, Gardner J. Effects of Prenatal Cocaine Exposure on Responsiveness to Multimodal Information in Infants between 4 and 10 Months of Agea. Annals Of The New York Academy Of Sciences 1998, 846: 408-411. PMID: 29087586, DOI: 10.1111/j.1749-6632.1998.tb09767.x.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