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Campbell, Jamie I. D.; Beech, Leah C. – Journal of Experimental Psychology: Learning, Memory, and Cognition, 2014
Several types of converging evidence have suggested recently that skilled adults solve very simple addition problems (e.g., 2 + 1, 4 + 2) using a fast, unconscious counting algorithm. These results stand in opposition to the long-held assumption in the cognitive arithmetic literature that such simple addition problems normally are solved by fact…
Descriptors: Adults, Addition, Mathematics, Generalization
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Miles, Sarah J.; Minda, John Paul – Journal of Experimental Psychology: Learning, Memory, and Cognition, 2011
Current theories of category learning posit separate verbal and nonverbal learning systems. Past research suggests that the verbal system relies on verbal working memory and executive functioning and learns rule-defined categories; the nonverbal system does not rely on verbal working memory and learns non-rule-defined categories (E. M. Waldron…
Descriptors: Nonverbal Learning, Children, Short Term Memory, Investigations
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Gras-Vincendon, Agnes; Mottron, Laurent; Salame, Pierre; Bursztejn, Claude; Danion, Jean-Marie – Autism: The International Journal of Research and Practice, 2007
Episodic memory, i.e. memory for specific episodes situated in space and time, seems impaired in individuals with autism. According to weak central coherence theory, individuals with autism have general difficulty connecting contextual and item information which then impairs their capacity to memorize information in context. This study…
Descriptors: Memory, Brain Hemisphere Functions, Autism, Visual Stimuli
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Morrison, Frederick J. – Journal of Experimental Child Psychology, 1982
To explore possible age differences, the first experiment assessed speed and maintenance of alertness in 5-year-olds, 8-year-olds, and adults. The second study tested the hypothesis that developmental variation in processing speed observed in some studies was attributable in part to age differences in alerting processes. (MP)
Descriptors: Adults, Age Differences, Children, Cognitive Processes