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Cuevas, Kimberly; Bell, Martha Ann – Developmental Psychology, 2010
From a neuropsychological perspective, the cognitive skills of working memory, inhibition, and attention and the maturation of the frontal lobe are requisites for successful A-not-B performance on both the looking and reaching versions of the task. This study used a longitudinal design to examine the developmental progression of infants'…
Descriptors: Object Permanence, Infants, Short Term Memory, Thinking Skills
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Wishart, J. G. – Journal of Intellectual Disability Research, 2007
Background: Social understanding is often thought to be relatively "protected" in children with Down's syndrome (DS) and to underlie the outgoing personality characteristically attributed to them. This paper draws together findings from our studies of behaviours during object concept testing, generally considered a theoretically "pure" measure of…
Descriptors: Object Permanence, Nonverbal Communication, Social Cognition, Cognitive Ability