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Frank, Michael C.; Fedorenko, Evelina; Lai, Peter; Saxe, Rebecca; Gibson, Edward – Cognitive Psychology, 2012
Language for number is an important case study of the relationship between language and cognition because the mechanisms of non-verbal numerical cognition are well-understood. When the Piraha (an Amazonian hunter-gatherer tribe who have no exact number words) are tested in non-verbal numerical tasks, they are able to perform one-to-one matching…
Descriptors: Coding, Number Concepts, Computation, Numeracy
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Gershkoff-Stowe, Lisa; Smith, Linda B. – Cognitive Psychology, 1997
Errors in naming pictures were studied for 12 children followed from age 15 months to 22 months and for 60 children of similar ages at three different levels of vocabulary development. An increase in naming errors was found with sudden increases in productive vocabulary, suggesting interference from previously retrieved words. (SLD)
Descriptors: Age Differences, Cognitive Processes, Error Patterns, Illustrations
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Hoffman, James E.; Landau, Barbara; Pagani, Barney – Cognitive Psychology, 2003
We investigated the role of executive and spatial representational processes in impaired performance of block construction tasks by children with Williams syndrome (WS), a rare genetic defect that results in severely impaired spatial cognition. In Experiment 1, we examined performance in two kinds of block construction tasks, Simple Puzzles, in…
Descriptors: Eye Movements, Racial Differences, Human Body, Spatial Ability
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May, Mark – Cognitive Psychology, 2004
Imaginal perspective switches are often considered to be difficult, because they call for additional cognitive transformations of object coordinates (transformation hypothesis). Recent research suggests that problems can also result from conflicts between incompatible sensorimotor and cognitive object location codes during response specification…
Descriptors: Spatial Ability, Cognitive Processes, Perceptual Motor Learning, Perception