2024
Time Course of Attention to a Talker’s Mouth in Monolingual and Close-Language Bilingual Children
Birulés J, Bosch L, Lewkowicz D, Pons F. Time Course of Attention to a Talker’s Mouth in Monolingual and Close-Language Bilingual Children. Developmental Psychology 2024, 60: 135-143. PMID: 37917490, DOI: 10.1037/dev0001659.Peer-Reviewed Original ResearchChild's native languageNative languageNonnative languageSelective attentionEarly linguistic experienceLinguistic experienceBilingual childrenSpanish monolingualsTalker's eyesMonolingualsLanguageTalker's faceTalker's mouthChildren's deploymentBilingualsTalkersEqual attentionTemporal dynamicsDifferential effectsCatalanAttentionUtterancesChildrenFaceTime course
2023
Robust holistic face processing in early childhood during the COVID-19 pandemic
Yates T, Lewkowicz D. Robust holistic face processing in early childhood during the COVID-19 pandemic. Journal Of Experimental Child Psychology 2023, 232: 105676. PMID: 37018972, PMCID: PMC9998297, DOI: 10.1016/j.jecp.2023.105676.Peer-Reviewed Original ResearchConceptsHolistic face perceptionHolistic face processingFace processingMasked facesFace perceptionResponse accuracyTwo-alternative forced-choice taskEarly childhoodForced-choice taskHolistic processingHolistic faceDevelopmental emergenceOnline testing platformComposite facesCOVID-19 pandemicVisible facesChildren's exposureParental questionnairePerceptionChildhoodProcessingFaceChildrenAge groupsDegree of exposure
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 informationSynchronyVersionViolation 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 onesAttention to audiovisual speech does not facilitate language acquisition in infants with familial history of autism
Chawarska K, Lewkowicz D, Feiner H, Macari S, Vernetti A. Attention to audiovisual speech does not facilitate language acquisition in infants with familial history of autism. Journal Of Child Psychology And Psychiatry 2022, 63: 1466-1476. PMID: 35244219, DOI: 10.1111/jcpp.13595.Peer-Reviewed Original ResearchConceptsExpressive language scoresLanguage outcomesAudiovisual cuesSpeaker's faceLanguage scoresLanguage acquisitionLanguage delayBetter language outcomesSiblings of childrenFamilial riskLow familial riskPoor language outcomesLow-risk infantsAudiovisual speechIntact attentionSpeech cuesHigh familial riskPromising endophenotypeASD diagnosisSpeech processingCuesHigh-risk infantsAutismASDFaceMechanisms by Which Early Eye Gaze to the Mouth During Multisensory Speech Influences Expressive Communication Development in Infant Siblings of Children with and Without Autism
Santapuram P, Feldman J, Bowman S, Raj S, Suzman E, Crowley S, Kim S, Keceli‐Kaysili B, Bottema‐Beutel K, Lewkowicz D, Wallace M, Woynaroski T. Mechanisms by Which Early Eye Gaze to the Mouth During Multisensory Speech Influences Expressive Communication Development in Infant Siblings of Children with and Without Autism. Mind Brain And Education 2022, 16: 62-74. PMID: 35273650, PMCID: PMC8903197, DOI: 10.1111/mbe.12310.Peer-Reviewed Original ResearchExpressive communicationJoint engagementCommunication developmentEye tracking taskPrelinguistic vocal developmentFree-play sessionVocal complexityTalker's mouthInfant gazeInfant siblingsCommunication samplesSpeaker's faceEye gazeAutism diagnosisPlay sessionsVocal developmentTracking taskIndirect effectsGazeEngagementPreliminary insightsTalkersFaceAutismTask
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
Highly proficient L2 speakers still need to attend to a talker’s mouth when processing L2 speech
Birulés J, Bosch L, Pons F, Lewkowicz D. Highly proficient L2 speakers still need to attend to a talker’s mouth when processing L2 speech. Language Cognition And Neuroscience 2020, 35: 1314-1325. DOI: 10.1080/23273798.2020.1762905.Peer-Reviewed Original ResearchL2 speakersTalker's mouthNative speakersSecond language speechNon-native languageNon-native speakersProficient L2 speakersL2 speechLanguage proficiencyNative speechTalker's eyesSpeakersTalker's faceSuch attentionExperiment 1Experiment 2SpeechLanguageSpanishProficiencyAttentionTalkersProcessing situationsFaceParticipantsDoes 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
2019
Twelve-month-old infants’ attention to the eyes of a talking face is associated with communication and social skills
Pons F, Bosch L, Lewkowicz D. Twelve-month-old infants’ attention to the eyes of a talking face is associated with communication and social skills. Infant Behavior And Development 2019, 54: 80-84. PMID: 30634137, DOI: 10.1016/j.infbeh.2018.12.003.Peer-Reviewed Original ResearchConceptsTalker's eyesTwelve-month-old infantsAdaptive behaviour questionnaireInfant attentionSocial abilitiesSocial skillsEye gazeBSID-IIICommunication subscaleToddler DevelopmentBayley ScalesMonth old infantsBehavior QuestionnairePositive relationshipAttentionTobiiGazeSubscalesSkillsScoresSocialInfantsCommunicationFaceQuestionnaire
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 ResearchAudio-Visual Perception of Gender by Infants Emerges Earlier for Adult-Directed Speech
Richoz A, Quinn P, de Boisferon A, Berger C, Loevenbruck H, Lewkowicz D, Lee K, Dole M, Caldara R, Pascalis O. Audio-Visual Perception of Gender by Infants Emerges Earlier for Adult-Directed Speech. PLOS ONE 2017, 12: e0169325. PMID: 28060872, PMCID: PMC5218491, DOI: 10.1371/journal.pone.0169325.Peer-Reviewed Original ResearchConceptsAdult-directed speechAbility of infantsMultisensory abilitiesAudiovisual speechMultisensory perceptionPerceptual experienceVisual perceptionMale facesVisual categorizationSpeech mannersSocial interactionGender informationPerceive genderSpeechMale voiceCurrent studyPerceptionAdultsFaceGenderEmotionsAbilityVoiceFindingsInfants
2015
Perception of Multisensory Gender Coherence in 6‐ and 9‐Month‐Old Infants
Hillairet de Boisferon A, Dupierrix E, Quinn P, Lœvenbruck H, Lewkowicz D, Lee K, Pascalis O. Perception of Multisensory Gender Coherence in 6‐ and 9‐Month‐Old Infants. Infancy 2015, 20: 661-674. PMID: 26561475, PMCID: PMC4637175, DOI: 10.1111/infa.12088.Peer-Reviewed Original ResearchBilingualism 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
2013
Eye-Catching Odors: Olfaction Elicits Sustained Gazing to Faces and Eyes in 4-Month-Old Infants
Durand K, Baudouin J, Lewkowicz D, Goubet N, Schaal B. Eye-Catching Odors: Olfaction Elicits Sustained Gazing to Faces and Eyes in 4-Month-Old Infants. PLOS ONE 2013, 8: e70677. PMID: 24015175, PMCID: PMC3756010, DOI: 10.1371/journal.pone.0070677.Peer-Reviewed Original ResearchConceptsMother's body odorGroups of infantsFour-month-old infantsEarly social attentionPictures of facesNon-visual cuesBody odorOlder infantsInfantsEye movement tracking systemInfant attentionSocial attentionVisual targetsVisual gazeSpontaneous preferenceOdor conditionContextual effectsEyesControl conditionVisual explorationFaceFacial region
2012
Single-object consistency facilitates multisensory pair learning: Evidence for unitization
Barenholtz E, Lewkowicz D, Kogelschatz L. Single-object consistency facilitates multisensory pair learning: Evidence for unitization. Multisensory Research 2012, 25: 11-11. DOI: 10.1163/187847612x646343.Peer-Reviewed Original ResearchAssociative learningSpecialized learning mechanismsSingle objectMultisensory propertiesMultisensory attributesIncongruent pairsSuperior learningTemporal synchronyExperiment 3Animal picturesExperiment 1Experiment 2Alternative cuesHuman faceLearning mechanismPair learningSingle representationLearningFaceObjectsCuesUnitizationSimilar advantagesVocalizationsVoice
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