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Exploratory factor analysis (varimax and promax rotations) of the aberrant behavior checklist-community version (ABC) in 275 individuals with Autism spectrum disorder (ASD) identified four- and five-factor solutions which accounted for >70% of the variance. Confirmatory factor analysis (Lisrel 8.7) revealed indices of moderate fit for the five-factor(More)
Unlike other complex diseases, the study of autism has been almost exclusively limited to Caucasian families. This study represents a first effort to examine clinical and phenotypic findings in individuals with autism from African American families. Drawing from an ongoing genetic study of autism we compared African American (N = 46, mean age = 118 months)(More)
OBJECTIVE We sought to evaluate clinical correlates of low serum carnitine levels in hospitalized psychiatric patients. METHODS We retrospectively reviewed the charts of 40 psychiatric inpatients identified to have low serum carnitine levels. RESULTS Cognitive impairment was present in 38 (95%) cases, frequently accompanied by imbalance, agitation and(More)
In this study we compared 33 IQ and age matched pairs of individuals with Aspergers Disorder (ASP) and high functioning autism (HFA) on measures of repetitive behavior. On the Repetitive Behavior Scale-Revised (RBS-R), the ASP and HFA groups showed no differences in RBS-R Intensity score (severity) score or Frequency score (number of problems present). This(More)
The microparticle capture enzyme immuno-assay (MEIA) is an automated system for measuring specific antibody by interaction with antigen-coated particles. An MEIA method for detecting toxoplasma-specific IgM was compared with established reference methods. The MEIA had an acceptable level of sensitivity and reproducibility and was easier to perform than(More)
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