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Moll, Henrike; Tomasello, Michael – Developmental Science, 2004
Infants follow the gaze direction of others from the middle of the first year of life. In attempting to determine how infants understand the looking behavior of adults, a number of recent studies have blocked the adult's line of sight in some way (e.g. with a blindfold or with a barrier). In contrast, in the current studies an adult looked behind…
Descriptors: Infants, Eye Movements, Age Differences, Toddlers
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Sirois, Sylvain – Developmental Science, 2004
This paper presents autoassociator neural networks. A first section reviews the architecture of these models, common learning rules, and presents sample simulations to illustrate their abilities. In a second section, the ability of these models to account for learning phenomena such as habituation is reviewed. The contribution of these networks to…
Descriptors: Simulation, Infants, Cognitive Processes, Cognitive Development
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Munakata, Yuko; Pfaffly, Jason – Developmental Science, 2004
Hebbian learning is a biologically plausible and ecologically valid learning mechanism. In Hebbian learning, "units that fire together, wire together". Such learning may occur at the neural level in terms of long-term potentiation (LTP) and long-term depression (LTD). Many features of Hebbian learning are relevant to developmental theorizing,…
Descriptors: Child Development, Developmental Stages, Neurological Organization, Learning Processes
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Raijmakers, Maartje E. J.; Molenaar, Peter C. M. – Developmental Science, 2004
Neural networks are applied to a theoretical subject in developmental psychology: modeling developmental transitions. Two issues that are involved will be discussed: discontinuities and acquiring qualitatively new knowledge. We will argue that by the appearance of a bifurcation, a neural network can show discontinuities and may acquire…
Descriptors: Classification, Developmental Psychology, Neurological Organization, Brain Hemisphere Functions
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Schlesinger, Matthew – Developmental Science, 2004
The emerging field of Evolutionary Computation (EC), inspired by neo-Darwinian principles (e.g. natural selection, mutation, etc.), offers developmental psychologists a wide array of mathematical tools for simulating ontogenetic processes. In this brief review, I begin by highlighting three of the approaches that EC researchers employ (Artificial…
Descriptors: Developmental Psychology, Child Development, Artificial Intelligence, Computation
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Santos, Laurie R. – Developmental Science, 2004
Human toddlers demonstrate striking failures when searching for hidden objects that interact with other objects, yet successfully locate hidden objects that do not undergo mechanical interactions. This pattern hints at a developmental dissociation between contact-mechanical and spatiotemporal knowledge. Recent studies suggest that adult non-human…
Descriptors: Toddlers, Primatology, Adults, Models
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Siegal, Michael; Butterworth, George; Newcombe, Peter A. – Developmental Science, 2004
In this investigation, we examined children's knowledge of cosmology in relation to the shape of the earth and the day-night cycle. Using explicit questioning involving a choice of alternative answers and 3D models, we carried out a comparison of children aged 4-9 years living in Australia and England. Though Australia and England have a close…
Descriptors: Scientific Concepts, Foreign Countries, Concept Formation, Astronomy
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Petrill, Stephen A.; Deater-Deckard, Kirby – Developmental Science, 2004
Prior research suggests shared environmental influences on cognitive performance are important in early childhood. However, few studies have attempted to identify the factors comprising this shared environmental variance. To address this issue, we examined the covariance between task orientation, parental warmth, socioeconomic status and general…
Descriptors: Twins, Young Children, Environmental Influences, Cognitive Ability
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