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 ResearchMeSH KeywordsChildChild, PreschoolEye-Tracking TechnologyFaceHumansMouthSpeech PerceptionVisual PerceptionConceptsPerceptual 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
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
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
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 ResearchMeSH KeywordsAttentionCommunicationFacial ExpressionFemaleFixation, OcularHumansInfantMalePhotic StimulationSocial SkillsSpeech PerceptionConceptsTalker's eyesTwelve-month-old infantsAdaptive behaviour questionnaireInfant attentionSocial abilitiesSocial skillsEye gazeBSID-IIICommunication subscaleToddler DevelopmentBayley ScalesMonth old infantsBehavior QuestionnairePositive relationshipAttentionTobiiGazeSubscalesSkillsScoresSocialInfantsCommunicationFaceQuestionnaire
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 attentionThe 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 ResearchMeSH KeywordsAttentionCuesFaceFemaleFixation, OcularHumansInfantMaleMouthSpeech PerceptionVerbal LearningConceptsTalker's mouthSpeech cuesAdult-directed mannerAudiovisual speech cuesWord learning phaseGreater perceptual salienceMonolingual infantsAttentional focusMonolingual EnglishPerceptual salienceEye gazeSpanish utterancesNative languageAcquisition phaseSpeech formsMonths of ageUtterancesCuesAttentionTalkersFaceSalienceGazeLexiconInfants
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
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
Language familiarity modulates relative attention to the eyes and mouth of a talker
Barenholtz E, Mavica L, Lewkowicz D. Language familiarity modulates relative attention to the eyes and mouth of a talker. Cognition 2015, 147: 100-105. PMID: 26649759, PMCID: PMC6367725, DOI: 10.1016/j.cognition.2015.11.013.Peer-Reviewed Original ResearchMeSH KeywordsAttentionCuesEyeEye MovementsHumansLanguageMouthMultilingualismRecognition, PsychologySpeechSpeech PerceptionConceptsAudiovisual speech cuesUnfamiliar languageLanguage familiarityFamiliar languageSpeech cuesBilingual subjectsLanguage conditionsMonolingual subjectsTalker's mouthAttentional strategiesSpeech processingLanguageRelative attentionTalkersTaskCuesFamiliarityAttentionAdultsSpeechFindingsParticipantsGreat attentionSubjectsProcessingBilingualism 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 ResearchMeSH KeywordsAttentionCuesFaceFemaleHumansInfantLanguage DevelopmentMaleMouthMultilingualismSpeech PerceptionConceptsBilingual 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 findingsPerceptionMonologueSynchronyFaceInfancyCuesCoherenceSkillsInfant perception of audio-visual speech synchrony in familiar and unfamiliar fluent speech
Pons F, Lewkowicz D. Infant perception of audio-visual speech synchrony in familiar and unfamiliar fluent speech. Acta Psychologica 2014, 149: 142-147. PMID: 24576508, DOI: 10.1016/j.actpsy.2013.12.013.Peer-Reviewed Original ResearchMeSH KeywordsAuditory PerceptionFemaleHearingHumansInfantLanguageMaleRecognition, PsychologySpainSpeechSpeech PerceptionVisual PerceptionConceptsFluent speechLinguistic experienceLanguage familiarity effectSpecific linguistic experienceAudio-visual synchronyVideo clipsLanguage familiarityLinguistic inputAudiovisual syllablesInfants' perceptionPerceptual tuningFamiliarity effectMonolingual SpanishExperiment 1Experiment 2Infants' responsesSpanish infantsInfant studiesSpeechSame videoCatalanSpanishSynchronous videoTemporal relationsAudio streamInfants Are Not Sensitive to Synesthetic Cross-Modality Correspondences
Lewkowicz D, Minar N. Infants Are Not Sensitive to Synesthetic Cross-Modality Correspondences. Psychological Science 2014, 25: 832-834. PMID: 24463555, PMCID: PMC3954909, DOI: 10.1177/0956797613516011.Peer-Reviewed Original Research
2012
Perception of audio-visual speech synchrony in Spanish-speaking children with and without specific language impairment*
PONS F, ANDREU L, SANZ-TORRENT M, BUIL-LEGAZ L, LEWKOWICZ D. Perception of audio-visual speech synchrony in Spanish-speaking children with and without specific language impairment*. Journal Of Child Language 2012, 40: 687-700. PMID: 22874648, PMCID: PMC3954717, DOI: 10.1017/s0305000912000189.Peer-Reviewed Original ResearchConceptsSpecific language impairmentSpanish-speaking childrenSpeech perceptionAudiovisual asynchronyLanguage impairmentAuditory speech perceptionVisual articulatory informationTypical language developmentEye-tracking studyVisual speechAuditory componentArticulatory informationLanguage developmentTemporal synchronySpeech attributesVisual componentsDifficulty of speechPerceptionAsynchronyVisual aspectsSpeechChildrenSynchronySpanishImpairment
2009
Narrowing 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
2008
Perception of Dynamic and Static Audiovisual Sequences in 3‐ and 4‐Month‐Old Infants
Lewkowicz D. Perception of Dynamic and Static Audiovisual Sequences in 3‐ and 4‐Month‐Old Infants. Child Development 2008, 79: 1538-1554. PMID: 18826541, DOI: 10.1111/j.1467-8624.2008.01204.x.Peer-Reviewed Original Research
2003
Learning and Discrimination of Audiovisual Events in Human Infants: The Hierarchical Relation Between Intersensory Temporal Synchrony and Rhythmic Pattern Cues
Lewkowicz D. Learning and Discrimination of Audiovisual Events in Human Infants: The Hierarchical Relation Between Intersensory Temporal Synchrony and Rhythmic Pattern Cues. Developmental Psychology 2003, 39: 795-804. PMID: 12952394, DOI: 10.1037/0012-1649.39.5.795.Peer-Reviewed Original ResearchConceptsAudiovisual eventsPattern cuesOverall temporal structureDevelopment infantsInfants' perceptionSynchrony relationsTemporal synchronyExperiment 3Experiment 1Experiment 2Human infantsVisual componentsRhythmic eventsCuesTemporal structurePerceptionDesynchronizationHierarchical relationsInfantsSynchronyDiscriminationRelationEvents
2000
Infants' Perception of the Audible, Visible, and Bimodal Attributes of Multimodal Syllables
Lewkowicz D. Infants' Perception of the Audible, Visible, and Bimodal Attributes of Multimodal Syllables. Child Development 2000, 71: 1241-1257. PMID: 11108094, DOI: 10.1111/1467-8624.00226.Peer-Reviewed Original ResearchConceptsInfants' perceptionAdult-directed mannerAudiovisual synchronyFeatural informationMultimodal speechNovel personSyllablesMonths infantsNovel syllablesPerceptionSame personAge groupsAttribute changesImportant dimensionTypes of changesPersonsDetection of changesSpeechAsynchronyEarly developmentHabituationInfantsAttributesSynchrony
1998
Infants' 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