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In 2002, the National Institutes of Health sponsored a meeting concerning methodological challenges of research in psychosocial interventions in Autism Spectrum Disorders. This paper provides a summary of the presentations and the discussions that occurred during this meeting. Recommendations to federal and private agencies included the need for randomized(More)
The neural underpinnings of sensory processing differences in autism remain poorly understood. This prospective magnetoencephalography (MEG) study investigates whether children with autism show atypical cortical activity in the primary somatosensory cortex (S1) in comparison with matched controls. Tactile stimuli were clearly detectable, and painless taps(More)
UNLABELLED Latency of electric (e.g., P1 and N1) and magnetic (e.g., M100) auditory evoked components depends on age in typically developing children, with longer latencies for younger (4-6 years) and shorter, adult-like latencies for older (14-16 years) children. Age-related changes in evoked components provide indirect measures of auditory system(More)
Previous work investigating frequency encoding mechanisms in human auditory cortex has provided evidence that latency of the auditory evoked M100 is strongly proportional to frequency, with low frequency (100-200 Hz) tones associated with approximately 30 ms longer latencies than mid-range frequency (1-2 kHz) tones. Motivated by pervasive speech and(More)
The present paper provides a brief history of the development of the DSM-III-R (American Psychiatric Association [APA], 1987) section on Pervasive Developmental Disorders. It describes the process by which the contents of the text and criteria for Autistic Disorder and Pervasive Developmental Disorder Not Otherwise Specified were decided and gives the(More)
A method is presented for empirical subclassification of autistic and autisticlike children, based on observations of current behavior. The advantage of the method is that it identifies profiles of co-occurring behaviors and accordingly assigns children to subtypes. The subtypes are more clinically homogeneous than the overall sample of autistic children.(More)
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