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Comparative Analysis2
Discrimination Learning2
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Autism1
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Cognition2
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O'Riordan, Michelle1
Xu, Fei1
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Superior Modulation of Activation Levels of Stimulus Representations Does Not Underlie Superior Discrimination in Autism.
Peer reviewed Peer reviewed
O'Riordan, Michelle – Cognition, 2000
Compared the performance of children with and without autism in object-based positive and negative priming tasks within a visual search procedure. Found object-based positive and negative priming effects in both groups, with no group differences in the magnitude of the effects. Compared to typically developing children, children with autism were…
Descriptors: Autism, Children, Comparative Analysis, Discrimination Learning
Numerosity Discrimination in Infants: Evidence for Two Systems of Representations.
Peer reviewed Peer reviewed
Xu, Fei – Cognition, 2003
Two experiments compared 6-month-olds' numerosity discrimination performance on both large numbers and small numbers with both total filled area and total contour length controlled. Results showed that infants succeeded in discriminating 4 from 8 elements, but failed to discriminate 2 from 4 elements, providing evidence for the existence of two…
Descriptors: Comparative Analysis, Discrimination Learning, Infant Behavior, Infants