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
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 ones
2020
Chapter 4 The development of multisensory processes for perceiving the environment and the self
Lewkowicz D, Bremner A. Chapter 4 The development of multisensory processes for perceiving the environment and the self. 2020, 89-112. DOI: 10.1016/b978-0-12-812492-5.00004-8.Peer-Reviewed Original ResearchAudiovisual perceptionVisuotactile perceptionAudiovisual inputYoung children's abilityEndogenous attentionMultisensory processesMultisensory processingSelective attentionPerceptual abilitiesEarly experienceChildren's abilitySensorimotor abilitiesInfants' responsesGreater salienceLate childhoodOwn bodySocial surroundingsTactile inputPerceptionEmpirical findingsSelfEmpirical evidenceInfancyAbilityAttention
2018
Inside bilingualism: Language background modulates selective attention to a talker's mouth
Birulés J, Bosch L, Brieke R, Pons F, Lewkowicz D. Inside bilingualism: Language background modulates selective attention to a talker's mouth. Developmental Science 2018, 22: e12755. PMID: 30251757, DOI: 10.1111/desc.12755.Peer-Reviewed Original ResearchConceptsTalker's mouthSpanish-learning infantsAudiovisual speech cuesClose languagesLanguage proximityLanguage backgroundEnglish monologuesMonolingual infantsSelective attentionTalker's eyesBilingualsLanguageCatalanGreater salienceSpeech cuesAudiovisual cuesSuch cuesCuesBilingualismMonologueEarly childhoodPrevious findingsAttentionTalkersGreat attention
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
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
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 shiftAttentionEnglishMonologueRecitingGazeThe critical role of experience in the early development of multisensory perception
Lewkowicz D. The critical role of experience in the early development of multisensory perception. Multisensory Research 2012, 25: 200-200. DOI: 10.1163/187847612x648297.Peer-Reviewed Original ResearchMultisensory perceptionInfants' responsesSelective attentionHuman infantsDeprivation studiesAudio-visual synchronyExperience-dependent processesDramatic developmental shiftPerceptual narrowingPerceptual skillsProsody cuesMultisensory developmentPerceptual tuningEarly experienceExperience interactsProgram of researchHuman infancyExperience contributesSpeech domainAdult responsivenessDevelopmental shiftBehavioral developmentDevelopmental changesPerceptionParadoxical effect