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Steventon Roberts, Kathryn J.; Smith, Colette; Toska, Elona; Cluver, Lucie; Wittesaele, Camille; Langwenya, Nontokozo; Shenderovich, Yulia; Saal, Wylene; Jochim, Janina; Chen-Charles, Jenny; Marlow, Marguerite; Sherr, Lorraine – Infant and Child Development, 2023
This study explores the cognitive development of children born to adolescent mothers within South Africa compared to existing reference data, and explores development by child age bands to examine relative levels of development. Cross-sectional analyses present data from 954 adolescents (10-19 years) and their first-born children (0-68 months).…
Descriptors: Cognitive Development, Early Parenthood, Adolescents, Mothers
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Tillmann, J.; Ashwood, K.; Absoud, M.; Bölte, S.; Bonnet-Brilhault, F.; Buitelaar, J. K.; Calderoni, S.; Calvo, R.; Canal-Bedia, R.; Canitano, R.; De Bildt, A.; Gomot, M.; Hoekstra, P. J.; Kaale, A.; McConachie, H.; Murphy, D. G.; Narzisi, A.; Oosterling, I.; Pejovic-Milovancevic, M.; Persico, A. M.; Puig, O.; Roeyers, H.; Rommelse, N.; Sacco, R.; Scandurra, V.; Stanfield, A. C.; Zander, E.; Charman, T. – Journal of Autism and Developmental Disorders, 2018
Research on sex-related differences in Autism Spectrum Disorder (ASD) has been impeded by small samples. We pooled 28 datasets from 18 sites across nine European countries to examine sex differences in the ASD phenotype on the ADI-R (376 females, 1763 males) and ADOS (233 females, 1187 males). On the ADI-R, early childhood restricted and…
Descriptors: Gender Differences, Age Differences, Diagnostic Tests, Observation
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Whitall, Jill – Journal of Experimental Child Psychology, 1991
Presents research on the effects of concurrent verbal cognition on locomotor skills. Results revealed no interference with coordination variables across age, but some interference with control variables, particularly in younger subjects. Coordination of gait required less attention than setting of control parameters. This coordination was in place…
Descriptors: Adults, Children, Cognitive Development, Females
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Siegel, Bryna; And Others – Journal of Autism and Developmental Disorders, 1986
A method for empirical classification of autistic and autisticlike children, based on behavior observations of 35 males and 11 females (ages 4-28 years) was examined. Factor and cluster analysis indicated four subtypes, characterized by perseverative thinking and play, motor disturbances, schizotypal/schizoid features, and anxiety and negativism.…
Descriptors: Adults, Anxiety, Autism, Behavior Rating Scales
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Webb, Ruth C.; Koller, James R. – American Journal of Mental Deficiency, 1979
Effects of sensorimotor training on intelligence and adaptive skills of 40 profoundly retarded adult residents of a state institution were investigated during a six-month intensive training program. (Author)
Descriptors: Adjustment (to Environment), Adults, Cognitive Development, Exceptional Child Research
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Murray, G. K.; Veijola, J.; Moilanen, K.; Miettunen, J.; Glahn, D. C.; Cannon, T. D.; Jones, P. B.; Isohanni, M. – Journal of Child Psychology and Psychiatry, 2006
Background: The relationship between the age of reaching infant developmental milestones and later intellectual function within the normal population remains unresolved. We hypothesised that the age of learning to stand in infancy would be associated with adult executive function and that the association would be apparent throughout the range of…
Descriptors: Verbal Learning, Infants, Foreign Countries, Cognitive Processes
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Luiselli, James K.; Campbell, Susan; Cannon, Barbara; DiPietro, Ellette; Ellis, James T.; Taras, Marie; Lifter, Karin – Research in Developmental Disabilities, 2001
Data from 30 national service centers found the number of assessment instruments endorsed increased as centers adopted a multidisciplinary approach to education and treatment, the largest proportion of instruments fell within intellectual, motor, and language/communication domains, and instruments were used most frequently for diagnostic and…
Descriptors: Adults, Autism, Children, Cognitive Development
Barringer, M. D.; Kosal-Smither, C. – 1982
A resource and activity guide for the developmentally disabled that focuses on methods to teach students skills essential to learning is presented. It is noted that once students begin to acquire these critical skills, they can become active participants in group learning activities, rather than waiting for their turn in individual sessions. They…
Descriptors: Adults, Children, Cognitive Development, Developmental Disabilities