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 infantsAutismASDFace
2020
Stability of Variables Derived From Measures of Multisensory Function in Children With Autism Spectrum Disorder.
Dunham K, Feldman J, Liu Y, Cassidy M, Conrad J, Santapuram P, Suzman E, Tu A, Butera I, Simon D, Broderick N, Wallace M, Lewkowicz D, Woynaroski T. Stability of Variables Derived From Measures of Multisensory Function in Children With Autism Spectrum Disorder. American Journal On Intellectual And Developmental Disabilities 2020, 125: 287-303. PMID: 32609807, PMCID: PMC8903073, DOI: 10.1352/1944-7558-125.4.287.Peer-Reviewed Original ResearchConceptsMultisensory functionMultisensory processingSimultaneity judgment taskEye-tracking taskAutism spectrum disorderStability of variablesSchool-aged childrenAudiovisual speechMcGurk effectJudgment taskNoise taskSpectrum disorderAveraging scoresTaskEffects of interestFuture researchElectroencephalographic recordingsASDStability of indicesChildrenDifferent measuresImportant implicationsMeasuresProcessingListening
2017
Audio-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
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 findingsPerceptionMonologueSynchronyFaceInfancyCuesCoherenceSkills
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