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Ruba, Ashley L.; Meltzoff, Andrew N.; Repacholi, Betty M. – Developmental Psychology, 2020
Accurate perception of emotional (facial) expressions is an essential social skill. It is currently debated whether emotion categorization in infancy emerges in a "broad-to-narrow" pattern and the degree to which language influences this process. We used an habituation paradigm to explore (a) whether 14- and 18-month-old infants perceive…
Descriptors: Infants, Nonverbal Communication, Emotional Response, Toddlers
Singh, Leher; Nestor, Sarah S.; Bortfeld, Heather – Infancy, 2008
Previous studies have shown that 7.5-month-olds can track and encode words in fluent speech, but they fail to equate instances of a word that contrast in talker gender, vocal affect, and fundamental frequency. By 10.5 months, they succeed at generalizing across such variability, marking a clear transition period during which infants' word…
Descriptors: Maturity (Individuals), Familiarity, Infants, Word Recognition
Swingler, Margaret M.; Sweet, Monica A.; Carver, Leslie J. – Infancy, 2007
Developmental studies of face processing have revealed age-related changes in how infants allocate neurophysiological resources to the face of a caregiver and an unfamiliar adult. We hypothesize that developmental changes in how infants interact with their caregiver are related to the changes in brain response. We studied 6-month-olds because this…
Descriptors: Mothers, Caregivers, Infants, Visual Stimuli
Moll, Henrike; Koring, Cornelia; Carpenter, Malinda; Tomasello, Michael – Journal of Cognition and Development, 2006
In the studies presented here, infants' understanding of others' attention was assessed when gaze direction cues were not diagnostic. Fourteen-, 18- and 24-month-olds witnessed an adult look to the side of an object and express excitement. In 1 experimental condition this object was new for the adult because she was not present while the child and…
Descriptors: Infants, Comprehension, Attention, Adults

Oakes, Lisa M.; Kannass, Kathleen N.; Shaddy, D. Jill – Child Development, 2002
One longitudinal and one cross-sectional study evaluated the interactive effects of endogenous and exogenous influences on infants' attention allocation by assessing the role of target familiarity on distraction latency during object exploration. Findings indicated that 9- and 10-month-olds, but not 6.5-month- olds, exhibited longer latencies as…
Descriptors: Age Differences, Attention Control, Cross Sectional Studies, Familiarity

Younger, Barbara A.; Fearing, Dru D. – Child Development, 1999
Three experiments used a familiarization/novelty or a habituation/dishabituation procedure to examine developmental change in infants' tendency to parse exemplars into separate categories. Results indicated that 10-month olds appeared to form differentiated categories, whereas 4- and 7-month olds formed a single category to include the range of…
Descriptors: Age Differences, Classification, Cognitive Processes, Familiarity

Geva, Ronny; Gardner, Judith M.; Karmel, Bernard Z. – Developmental Psychology, 1999
Studied feeding-related arousal effects on a visual recognition paired-comparison task at newborn, 1, and 4 months of age. Found that newborns and 1-month olds shifted from a familiarity preference before feeding to a novelty preference after feeding. Control-group testing confirmed that shift was not due to increased stimulus exposure. By 4…
Descriptors: Age Differences, Arousal Patterns, Comparative Analysis, Dimensional Preference