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31.
Executive dysfunction is a characteristic impairment of individuals with Autism Spectrum Disorders (ASD). However whether such deficits are related to autism per se, or to associated intellectual disability is unclear. This paper examines executive functions in a group of children with ASD (N = 54, all IQ?70) in relation to a typically developing control group individually matched on the basis of age, gender, IQ and vocabulary. Significant impairments in the inhibition of prepotent responses (Stroop, Junior Hayling Test) and planning (Tower of London) were reported for children with ASD, with preserved performance for mental flexibility (Wisconsin Card Sorting Task) and generativity (Verbal Fluency). Atypical age-related patterns of performance were reported on tasks tapping response inhibition and self-monitoring for children with ASD compared to controls. The disparity between these and previous research findings are discussed. A multidimensional notion of executive functions is proposed, with difficulties in planning, the inhibition of prepotent responses and self-monitoring reflecting characteristic features of ASD that are independent of IQ and verbal ability, and relatively stable across the childhood years. 相似文献
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Tolga Könik Paul O’Rorke Dan Shapiro Dongkyu Choi Negin Nejati Pat Langley 《Cognitive Systems Research》2009,10(3):270-285
In this paper, we present an approach to transfer that involves analogical mapping of symbols across different domains. We relate this mechanism to Icarus, a theory of the human cognitive architecture. Our system can transfer skills across domains hypothesizing maps between representations, improving performance in novel domains. Unlike previous approaches to analogical transfer, our method uses an explanatory analysis that compares how well a new domain theory explains previous solutions under different mapping hypotheses. We present experimental evidence that the new mechanism improves transfer over Icarus’ basic learning processes. Moreover, we argue that the same features which distinguish Icarus from other architectures support representation mapping in a natural way and operate synergistically with it. These features enable our analogy system to translate a map among concepts into a map between skills, and to support transfer even if two domains are only partially analogous. We also discuss our system’s relation to other work on analogy and outline directions for future research. 相似文献
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Pat N. Lackey 《Sex roles》1989,20(5-6):271-281
Data from a 1979 national sample of 3944 adults in the United States were analyzed for the purpose of identifying traditional and nontraditional sex role assignments of household chores. Among the eight chores observed, the proportion of the sample making nontraditional assignments ranged from a high of 90% to a low of 67%. With respect to explanations of traditional/nontraditional sex roles, observations included relationships between adults' age, sex, marital, family, and economic statuses, their assignments of chores to male and female children, and their attitudes about adults' sex roles. Males, older persons, and poor persons were more traditional in assigning chores than were females, the young, and the middle class. No differences were observed in chores assigned by married and single persons, or by married persons with and without children.An earlier version of this paper was presented at the 1988 annual conference of the Western Social Science Association. 相似文献
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John S. Lyons Cassandra L. Kisiel Mina Dulcan Robert Cohen Pat Chesler 《Journal of child and family studies》1997,6(3):311-320
We investigated the clinical characteristics and placement decisions among a group of children who were wards of the state and had been evaluated for a crisis assessment. The sample consisted of 383 children and adolescents (ages 2-20 years) who were wards of the Illinois Department of Children and Family Services (DCFS). This study retrospectively reviewed the symptoms, risk factors, functioning and co-morbid variables, and placement or system characteristics of these children using a structured assessment tool, the Childhood Severity of Psychiatric Illness (CSPI). Results indicated that risk behaviors as rated on the CSPI, including suicidality, dangerousness, and runaway tendency, were significant predictors of psychiatric hospitalization. The importance of more widespread usage of standardized assessment tools in evaluating children's mental health needs is discussed. 相似文献
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