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Age Effects on the Development of Stimulus Over-Selectivity Are Mediated by Cognitive Flexibility and Selective Attention
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Kelly, Michelle P.; Reed, Phil – International Journal of Behavioral Development, 2021
Stimulus over-selectivity is said to have occurred when only a limited subset of the total number of stimuli present during discrimination learning controls behavior, thus, restricting learning about the range, breadth, or all features of a stimulus. The current study investigated over-selectivity of 100 typically developing children, aged 3-7…
Descriptors: Age Differences, Attention Control, Visual Discrimination, Task Analysis
Patterns and Trajectories in Williams Syndrome: The Case of Visual Orientation Discrimination
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Palomares, Melanie; Englund, Julia A.; Ahlers, Stephanie – Research in Developmental Disabilities: A Multidisciplinary Journal, 2011
Williams Syndrome (WS) is a developmental disorder typified by deficits in visuospatial cognition. To understand the nature of this deficit, we characterized how people with WS perceive visual orientation, a fundamental ability related to object identification. We compared WS participants to typically developing children (3-6 years of age) and…
Descriptors: Mental Age, Mental Retardation, Genetic Disorders, Developmental Disabilities
Cognitive Effects of Bilingualism: Digging Deeper for the Contributions of Language Dominance, Linguistic Knowledge, Socio-Economic Status and Cognitive Abilities
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Mueller Gathercole, Virginia C.; Thomas, Enlli Mon; Jones, Leah; Guasch, Nestor Vinas; Young, Nia; Hughes, Emma K. – International Journal of Bilingual Education and Bilingualism, 2010
This study explores the extent to which a bilingual advantage can be observed for executive function tasks in children of varying levels of language dominance, and examines the contributions of general cognitive knowledge, linguistic abilities, language use and socio-economic level to performance. Welsh-English bilingual and English monolingual…
Descriptors: Language Dominance, Socioeconomic Status, Linguistics, Monolingualism
Reversal and Nonreversal Shifts in Autistic Children.
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Charlop, Marjorie H.; Carlson, Jerry – Journal of Experimental Child Psychology, 1983
Reversal and nonreversal shifts in 19 2- to 14-year-old autistic children were studied. Results indicated that the older autistic children did better on reversal shifts than did younger children, who performed better on nonreversal shifts. Findings were consistent with those for normal children. (Author)
Descriptors: Age Differences, Autism, Children, Cognitive Ability
Mental Rotation of Facial Profiles: Age-, Sex-, and Ability-Related Differences.
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Merriman, William E.; And Others – Developmental Psychology, 1985
Analyzes sex-related differences between mental rotation rate and spatial ability among adults, 14-year-olds, and 9.5-year-olds to determine the extent to which rotation rate is a correlate of various abilities. (HOD)
Descriptors: Adolescents, Adults, Age Differences, Children
Distractibility and Concentration of Attention in Children's Development.
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Higgins, Anne T.; Turnure, James E. – Child Development, 1984
Preschool, second-, and sixth-grade children performed developmentally gradated, easy and difficult visual discrimination tasks in a quiet room or with one of two levels of extraneous auditory stimulation. Subjects' errors, response latencies, and glances away from the task were recorded. (Author/RH)
Descriptors: Age Differences, Attention, Cognitive Ability, Elementary Education
Sequin Form Board; Technical Report 20. Disadvantaged Children and Their First School Experiences. ETS-Head Start Longitudinal Study. Technical Report Series.
Lindstrom, David R.; Shipman, Virginia C. – 1972
The Seguin Form Board Test is used to assess visual discrimination and matching and eye-hand coordination. Previous analysis has shown the vactor loadings for the same scale to differ among age levels, so the test may be measuring different abilities at different age levels. Test materials consist of ten differently shaped wooden blocks and a…
Descriptors: Age Differences, Cognitive Ability, Data Analysis, Disadvantaged Youth