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Histologic evidence suggests that drugs acting as noncompetitive antagonists at the N-methyl-D-aspartate receptor can have beneficial or pathologic effects on central nervous system neurons. In the present experiments we examined the effects of MK-801 on recovery of behavioral function after unilateral lesions in the rat somatic sensorimotor cortex. In the(More)
Fifty years after the implementation of universal newborn screening programs for phenylketonuria, the first disease identified through newborn screening and considered a success story of newborn screening, a cohort of adults with phenylketonuria treated from birth provides valuable information about effects of long-term treatment for inborn errors of(More)
The blood ethanol concentrations (BECs) and reactive capacity of young (8 months) and old (24 months) male Fischer 344 rats were compared at 5, 10, 20, 45, 65, and 90 min following the administration of ethanol (EtOH). The time-dependent effects of intragastric intubation (IG; 3 g/kg) and intraperitoneal injection (IP; 1.5 g/kg) of EtOH (20% w/v) were(More)
We examined the relationship between measures of sustained attention and impulsivity, as obtained by computerized continuous performance tasks of the Gordon Diagnostic System and a battery of intellectual, achievement, and neuropsychological tests. Subjects were 119 boys (between the ages of 6 yr., 0 mo. and 12 yr., 11 mo.), diagnosed with Attention-deficit(More)
Seventy-nine children, independently diagnosed as having attention deficit disorder (ADD) with or without hyperactivity and ranging in age from 6 years, 0 months, to 12 years, 11 months, were administered the Wechsler Intelligence Scale for Children-Revised (WISC-R), the Wide Range Achievement Test (WRAT), and the Child Behavior Checklist (CBC). Multiple(More)
An animal model of human reaction time (RT) was used to investigate the effects of age and intoxicated practice on the development of tolerance to the motor impairing effects of ethanol (EtOH). Young (8-9 month) and old (24-26 month) Fischer 344 rats were trained to release a lever in response to an auditory and visual stimulus in order to avoid mild(More)
Cognitive and academic deficits have been identified in school-aged children with sickle cell disease (SCD). However, there have been very few identified studies that examine neuropsychological functioning in preschool-age children with SCD. It is important to understand effects of SCD from a developmental perspective and to consider the contribution of(More)
Epilepsy, a common problem in child neurology, affects the entire family. There is a potential for such psychosocial consequences as parental chronic sorrow and alterations in coping. In this study, 67 parents completed brief questionnaires about their sorrow and coping styles. Results demonstrated chronic sorrow as measured by the Adapted Burke(More)
Gliomatosis confined to the cerebellum is most unusual. We report such a case in a 20-month-old male who presented with unsteadiness. Magnetic resonance imaging revealed a diffuse area of abnormal signal intensity within both cerebellar hemispheres, which did not enhance after contrast administration. The patient underwent a biopsy, which revealed a diffuse(More)