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Even though researchers have established that rapid serial naming (RSN), or the ability to name within a restricted category of visual stimuli quickly, is a significant predictor of word reading, the predictive nature of RSN is not well understood. To investigate the relationship of RSN and other variables thought to contribute to beginning word reading (phonological awareness, orthographic knowledge, memory span, processing speed, and articulation), a preliminary/exploratory model of word reading was developed and then tested by path analysis. Results indicated that no variable in the model could fully `explain' RSN; processing speed, but not articulation, contributed to RSN performance. RSN and orthographic knowledge were significantly related, but this relationship was due to the effects of processing speed. In terms of their unique contributions to the variance in word reading, RSN, phonological awareness, and orthographic knowledge were independent of each other. While these results pertain only to normal readers and are preliminary in nature, they may provide a basis for a clear interpretation of similar studies conducted with both normal and dyslexic readers. 相似文献
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E. Mark Mahone Teresa L. Miller Christine W. Koth Stewart H. Mostofsky Melissa C. Goldberg Martha B. Denckla 《Psychology in the schools》2003,40(4):331-340
Reviews involving the Wechsler Scales for children suggest that Full Scale IQ scores on the Wechsler Intelligence Scale for Children, Third Edition, average 5 to 6 points lower than scores on the second edition of the scale [WISC‐R, Wechsler, D. (1974). Zimmerman & Woo‐Sam, 1997], with the differences distributed disproportionately over subtests, i.e., with larger discrepancies found within the Performance Scale (Wechsler, 1991). Changes on the revised subtests of the WISC‐III Performance Scale may place children with ADHD at a disadvantage compared to their performance on analogous WISC‐R subtests. We examined IQ test performance in 122 unmedicated children with ADHD (61 given the WISC‐R, 61 given the WISC‐III), and 46 children from a healthy, comparison group (23 given the WISC‐R, 23 given the WISC‐III). The ADHD and comparison group samples were matched for sex and for Verbal IQ between WISC‐R and WISC‐III. Children with ADHD had significantly lower Performance IQ on WISC‐III compared to the WISC‐R, with the Picture Arrangement subtest showing the most significant difference. In contrast, there were no significant differences between the WISC‐R and WISC‐III cohorts on Performance IQ or any Performance subtests among the comparison group. These findings highlight the importance of examining the comparability of ability test revisions among clinical and non‐clinical populations, and will be especially salient when the WISC‐III is revised. © 2003 Wiley Periodicals, Inc. Psychol Schs 40: 331–340, 2003. 相似文献
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This study examined the mechanisms underlying verbal learning in children with and without attention-deficit/hyperactivity disorder (ADHD), none of whom had reading disabilities. Children with ADHD were compared to typically developing children on both process and product scores from the California Verbal Learning Test for Children. The findings indicated that children with ADHD initially learned the same number of words as controls but showed weaknesses recalling the words after delays, suggesting that children with ADHD are less efficient learners. Regardless of ADHD status, boys and girls performed differently. Boys used semantic clustering less frequently and recalled fewer words from the middle region of the list than girls; girls also outperformed boys in terms of overall performance, despite lower verbal IQ scores. These findings show that children with ADHD can exhibit unexpected weaknesses in learning even without a formal learning disability. Gender differences in verbal learning are also illustrated. 相似文献
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Laurie E. Cutting Amy M. Clements Andrea D. Lightman Pamula D. Yerby‐Hammack Martha Bridge Denckla 《Learning disabilities research & practice》2004,19(3):155-165
The cognitive profiles of children with Neurofibromatosis Type 1 (NF‐1) have many similarities to those observed in learning disabilities in the general school population, as well as some distinct features. Approximately 30–65 percent of children with NF‐1 have learning disabilities; most commonly, they have language and reading disabilities, along with motor, visuomotor, and visuospatial deficits. Similar to learning disabilities in the general population, approximately 50 percent of children with NF‐1 have Attention Deficit Hyperactivity Disorder (ADHD). In this article, the genetic and physical characteristics, the diagnostic criteria of NF‐1, and the cognitive profile of children with NF‐1 (including relationships between neurological abnormalities and cognition) are reviewed. Additionally, the types of educational interventions that would be indicated for children with NF‐1 are discussed. 相似文献
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In this review, the origins and history of a test of rapid automatized naming (RAN) are traced from nineteenth-century classical
brain-behavior analyses of cases of acquired “alexia without agraphia” through adaptations to studies of normal and reading
disabled children. The element of speed (of responding verbally to a visual stimulus) was derived from a test of color naming
developed over 50 years ago as a bedside measure of recovery from brain injuries. Merging the “visual-verbal” connection essential
to reading (specific) with the response time element (general), RAN turned out to be a useful correlate and predictor of reading
competence, accounting even for variance beyond that accounted for by timed tests of discrete naming. As one of the two deficits
highlighted in the Double Deficit hypothesis with phonological awareness, RAN has emerged as something more than a particularly
difficult challenge to a unitary phonological retrieval deficit, and has itself been subjected to further dissection. Coming
full circle to its origins, recent research suggests that RAN taps both visual-verbal (language domain) and processing speed
(executive domain) contributions to reading. 相似文献
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