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Martina Arioli; Valentina Silvestri; Angelo Petrelli; Daniela Morniroli; Maria Lorella Giannì; Hermann Bulf; Viola Macchi Cassia – Child Development, 2025
Four-month-old infants extract ordinal information in number-based and size-based visual sequences, provided that magnitude changes involve increasing relations. Here the ontogenetic origins of ordinal processing were investigated between 2018 and 2022 by testing newborns' discrimination of reversal in numerosity (Experiment 1, N = 22 White, 11…
Descriptors: Infants, Neonates, Cognitive Processes, Cognitive Development
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Gilden, David L.; Thornton, Thomas L.; Marusich, Laura R. – Journal of Experimental Psychology: Human Perception and Performance, 2010
The conditions for serial search are described. A multiple target search methodology (Thornton & Gilden, 2007) is used to home in on the simplest target/distractor contrast that effectively mandates a serial scheduling of attentional resources. It is found that serial search is required when (a) targets and distractors are mirror twins, and…
Descriptors: Infants, Attention, Theories, Perception
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Gulya, Michele; Sweeney, Becky; Rovee-Collier, Carolyn – Journal of Experimental Child Psychology, 1999
Three experiments demonstrated that increasing the length of a mobile serial list impaired 6-month olds' memory for serial order. Findings indicated that the primacy effect was absent on a 24-hour delayed recognition test and was exhibited on a reactivation test, adding to growing evidence that young infants possess two functionally distinct…
Descriptors: Cognitive Processes, Infant Behavior, Infants, Long Term Memory