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Lewkowicz, David J.; Flom, Ross – Child Development, 2014
Binding is key in multisensory perception. This study investigated the audio-visual (A-V) temporal binding window in 4-, 5-, and 6-year-old children (total N = 120). Children watched a person uttering a syllable whose auditory and visual components were either temporally synchronized or desynchronized by 366, 500, or 666 ms. They were asked…
Descriptors: Auditory Perception, Visual Perception, Time, Child Development
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Pons, Ferran; Andreu, Llorenc; Sanz-Torrent, Monica; Buil-Legaz, Lucia; Lewkowicz, David J. – Journal of Child Language, 2013
Speech perception involves the integration of auditory and visual articulatory information, and thus requires the perception of temporal synchrony between this information. There is evidence that children with specific language impairment (SLI) have difficulty with auditory speech perception but it is not known if this is also true for the…
Descriptors: Spanish Speaking, Child Language, Language Acquisition, Auditory Perception
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Lewkowicz, David J.; Pons, Ferran – International Journal of Behavioral Development, 2013
Audiovisual speech consists of overlapping and invariant patterns of dynamic acoustic and optic articulatory information. Research has shown that infants can perceive a variety of basic auditory-visual (A-V) relations but no studies have investigated whether and when infants begin to perceive higher order A-V relations inherent in speech. Here, we…
Descriptors: Infants, Visual Perception, Auditory Perception, Speech Communication
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Lewkowicz, David J.; Leo, Irene; Simion, Francesca – Infancy, 2010
Previous studies have shown that infants, including newborns, can match previously unseen and unheard human faces and vocalizations. More recently, it has been reported that infants as young as 4 months of age also can match the faces and vocalizations of other species raising the possibility that such broad multisensory perceptual tuning is…
Descriptors: Neonates, Nonverbal Communication, Visual Stimuli, Visual Perception
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Lewkowicz, David J. – Child Development, 2008
This study investigated perception of audiovisual sequences in 3- and 4-month-old infants. Infants were habituated to sequences consisting of moving/sounding or looming/sounding objects and then tested for their ability to detect changes in the order of the objects, sounds, or both. Results showed that 3-month-olds perceived the order of 3-element…
Descriptors: Cues, Infants, Child Development, Perceptual Development