David J Lewkowicz, PhD
Senior Research Scientist in the Child Study CenterCards
About
Research
Publications
2024
How do babies come to know what babies know?
Moore D, Lewkowicz D. How do babies come to know what babies know? Behavioral And Brain Sciences 2024, 47: e138. PMID: 38934458, DOI: 10.1017/s0140525x23003102.Peer-Reviewed Original ResearchTime 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
Multiple pathways to developmental continuity in infant cognition
Aslin R, Fox N, Lewkowicz D, Maurer D, Nelson C, von Hofsten C. Multiple pathways to developmental continuity in infant cognition. Trends In Cognitive Sciences 2023, 27: 692-693. PMID: 37321924, DOI: 10.1016/j.tics.2023.04.007.Peer-Reviewed Original ResearchRobust 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 strategyVersionSceneFindingsPreferencesCoherenceMasks Can Be Detrimental to Babies’ Speech and Language Development
Lewkowicz, D. J. Masks can be detrimental to babies’ speech and language development: the good news is that parents can take action to compensate. Scientific American, Feb. 11, 2021Publications for non-academic audiences
Academic Achievements & Community Involvement
News
News
- October 16, 2024
Professional progression at celebrated at second annual YCSC event
- September 19, 2023Source: Fatherly
One More (Huge) Reason Not To Give Your Baby Screen Time
- August 23, 2023Source: tinybeans.com
Excessive Screen Time Linked to Developmental Delays in Babies, Says New Study
- August 21, 2023Source: The New York Times
More Screen Time Linked to Delayed Development in Babies, Study Finds