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981.
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983.
Tom Heyman Anke Bruninx Keith A. Hutchison Gert Storms 《Behavior research methods》2018,50(6):2173-2183
Many researchers have tried to predict semantic priming effects using a myriad of variables (e.g., prime–target associative strength or co-occurrence frequency). The idea is that relatedness varies across prime–target pairs, which should be reflected in the size of the priming effect (e.g., cat should prime dog more than animal does). However, it is only insightful to predict item-level priming effects if they can be measured reliably. Thus, in the present study we examined the split-half and test–retest reliabilities of item-level priming effects under conditions that should discourage the use of strategies. The resulting priming effects proved extremely unreliable, and reanalyses of three published priming datasets revealed similar cases of low reliability. These results imply that previous attempts to predict semantic priming were unlikely to be successful. However, one study with an unusually large sample size yielded more favorable reliability estimates, suggesting that big data, in terms of items and participants, should be the future for semantic priming research. 相似文献
984.
Kimberly P. Raghubar E. Mark Mahone Keith Owen Yeates M. Douglas Ris 《Child neuropsychology》2018,24(3):413-425
Children are at increased risk for cognitive difficulties following the diagnosis and treatment of a brain tumor. Radiation therapy (RT) and tumor location are commonly-cited predictors of neurocognitive functioning. Disruptions to foundational neurocognitive processes such as attention, working memory, and processing speed underlie declines on measures of general intellectual functioning. While several studies have examined visual sustained attention in pediatric brain tumor patients, auditory sustained attention has yet to be examined. This study employs a longitudinal design to examine performance-based and parent ratings of attention in children undergoing surgical resection of a brain tumor (n = 29) and treated with (n = 11) or without (n = 18) RT at 6.79 months post-surgery (baseline) and then again at 30.56 months post-surgery (follow-up). The measures include an auditory continuous performance test (CPT) and parent ratings of attention and hyperactivity on a behavior rating scale. Ultimately, children treated with and without RT performed similarly on performance-based and parent ratings of attention. However, the performance on the auditory CPT differed according to tumor location, with children with infratentorial tumors committing more inattention and inhibitory control errors compared to children with supratentorial tumors. Parent ratings did not differ according to tumor location, and parent ratings and auditory sustained attention performance are not significantly correlated. The findings are interpreted in the context of neurocognitive and brain development. 相似文献
985.
Memory retrieval is a cognitive operation that itself can be remembered or forgotten, with potentially important consequences. To study memory for prior remembering, we had participants first study target words (e.g., bark) alongside semantically related cue words (e.g., dog). Then, on Test 1, participants retrieved targets in response to either the study cue or a changed cue that was semantically related to a homograph of the target (e.g., birch). Finally, on Test 2, participants retrieved all targets in response to the original study cues, and participants judged whether targets were previously retrieved on Test 1. As in previous research, cue change on Test 1 rendered target retrievals less memorable, suggesting context changes harm memory for prior remembering. We hypothesised that the negative effect of context change could be ameliorated by reminding participants of the original study cues during Test 1. We had participants either retrieve (Experiments 1 and 3, Ns?=?46 and 62) or view (Experiment 2, N?=?118) the study cue following each target retrieval. Reminding significantly reduced the negative effect of cue change, with self-generation being especially potent. This indicates that reminding can make remembering more memorable in the face of context change. 相似文献
986.
Children with different types of learning disabilities are thought to be at risk for specific profiles of behavior problems. This study sought to determine if learning disabilities are related to behavioral adjustment specifically in children with Tourette's syndrome (TS). We examined the Child Behavior Checklist (CBC) profiles of 61 children with TS who were between the ages of 6 and 18 years. The children were classified into one of three subtypes of learning disabilities or a nondisabled control group, based on performance on the Wide Range Achievement Test-Revised. Children with learning disabilities displayed higher scale elevations on the CBC than did controls, but not after controlling for the presence of attention deficit disorder. The results are inconsistent with previous research on the behavioral adjustment of subtypes of learning disabilities. Thus, the expression of learning disabilities may be idiosyncratic in children with discrete neuropsychiatric disorders such as TS. 相似文献
987.
988.
Aaron S. Hervey John F. Curry Simon Tonev L. Eugene Arnold C. Keith Conners 《Child neuropsychology》2013,19(2):125-140
Differences in reaction time (RT) variability have been documented between children with and without Attention Deficit Hyperactivity Disorder (ADHD). Most previous research has utilized estimates of normal distributions to examine variability. Using a nontraditional approach, the present study evaluated RT distributions on the Conners’ Continuous Performance Test in children and adolescents from the Multimodal Treatment Study of ADHD sample compared to a matched sample of normal controls (n = 65 pairs). The ex-Gaussian curve was used to model RT and RT variability. Children with ADHD demonstrated faster RT associated with the normal portion of the curve and a greater proportion of abnormally slow responses associated with the exponential portion of the curve. These results contradict previous interpretation that children with ADHD have slower than normal responding and demonstrate why slower RT is found when estimates of variability assume normal Gaussian distributions. Further, results of this study suggest that the greater number of abnormally long RTs of children with ADHD reflect attentional lapses on some but not all trials. 相似文献
989.
Keith Oatley 《Cognition & emotion》2013,27(3):209-216
Abstract Within cognitive science emotions are likely to become increasingly important as we begin to understand more about systems with multiple goals that operate in imperfectly known environments. Whether cognitive science has insights into emotional processes to offer to people outside the discipline is a separate matter, but here too there are indications that the exploration of schemata, plans, and goals will give insights into the psychology of human emotions. 相似文献
990.
Using E-Z Reader to examine the concurrent development of eye-movement control and reading skill 总被引:1,自引:0,他引:1
Erik D. Reichle Simon P. Liversedge Denis Drieghe Hazel I. Blythe Holly S.S.L. Joseph Sarah J. White Keith Rayner 《Developmental Review》2013
Compared to skilled adult readers, children typically make more fixations that are longer in duration, shorter saccades, and more regressions, thus reading more slowly (Blythe & Joseph, 2011). Recent attempts to understand the reasons for these differences have discovered some similarities (e.g., children and adults target their saccades similarly; Joseph, Liversedge, Blythe, White, & Rayner, 2009) and some differences (e.g., children’s fixation durations are more affected by lexical variables; Blythe, Liversedge, Joseph, White, & Rayner, 2009) that have yet to be explained. In this article, the E-Z Reader model of eye-movement control in reading (Reichle, 2011 and Reichle et al., 1998) is used to simulate various eye-movement phenomena in adults vs. children in order to evaluate hypotheses about the concurrent development of reading skill and eye-movement behavior. These simulations suggest that the primary difference between children and adults is their rate of lexical processing, and that different rates of (post-lexical) language processing may also contribute to some phenomena (e.g., children’s slower detection of semantic anomalies; Joseph et al., 2008). The theoretical implications of this hypothesis are discussed, including possible alternative accounts of these developmental changes, how reading skill and eye movements change across the entire lifespan (e.g., college-aged vs. older readers), and individual differences in reading ability. 相似文献