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Griffiths, Peter; Smith, Caroline; Harvie, Ann – American Journal on Mental Retardation, 1997
Cognitive and behavioral effects of temporarily elevating levels of phenylalanine in treated phenylketonuria (PKU) were investigated in a triple-blind crossover study with 16 early and continuously treated children and adolescents with PKU. Results suggest that intellectual ability, memory, and conduct are not affected by medium-term elevated…
Descriptors: Adolescents, Behavior Patterns, Children, Cognitive Ability
Peer reviewed Peer reviewed
Lesniak-Karpiak, Katarzyna; Mazzocco, Michele M. M.; Ross, Judith L. – Journal of Autism and Developmental Disorders, 2003
This study compared 29 females with Turner syndrome and 21 females with fragile X syndrome (ages 6-22) on a videotaped role-play interaction with 34 females in a comparison group. Three of eight behavioral measures of social skills differentiated the participant groups. Fragile-X subjects required more time to initiate interactions and Turner…
Descriptors: Adolescents, Behavior Patterns, Children, Congenital Impairments
Peer reviewed Peer reviewed
Anderson, Lowell T.; And Others – Journal of Autism and Developmental Disorders, 1992
Parents of 42 children (ages 2-32) with Lesch-Nyhan disease were questioned concerning the subjects' behavior patterns. Grouping of responses into nine categories of cognitive skills indicated that only one boy showed any significant cognitive impairment. Despite evidence of good cognitive and emotional skills, subjects were academically delayed,…
Descriptors: Academic Achievement, Behavior Patterns, Children, Cognitive Ability
Alberta Dept. of Education, Edmonton. Special Education Branch. – 1997
This guide provides a review of the characteristics of children with fetal alcohol syndrome (FAS) or possible prenatal alcohol-related effects (PPAE) and describes specific intervention strategies. Section 1 offers a general review of the diagnostic procedures, the prevalence of FAS and the physical, educational, and behavioral characteristics of…
Descriptors: Adolescents, Alcohol Abuse, Behavior Patterns, Child Development