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Query: UMLS:C0004352 (autism)
 32,579 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

Fifteen children with high-functioning Autism Spectrum Disorder (ASD) and 15 children with typical development completed an attentional cuing task using peripheral cues (exogenous orienting) and central cues (endogenous orienting). Results showed that participants with ASD had impaired exogenous and intact endogenous orienting. The pattern of exogenous orienting was related to motor functioning. Individuals with ASD who had poor motor functioning displayed slowed exogenous orienting. However, individuals with ASD who had relatively good motor functioning showed typical levels of exogenous orienting when given a short time but decreased orienting when given a longer amount of time. These results suggest attention impairments in ASD may not be specific to social orienting and instead may represent a more general orienting impairment.
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PMID:Exogenous and endogenous attention orienting in autism spectrum disorders. 1691 79

The behavioural phenotype of autism was assessed in individuals with full mutation and premutation fragile X syndrome (FXS) using the Autism Diagnostic Observation Scale-Generic (ADOS-G) and the Autism Diagnostic Interview (ADI-R). The participants, aged 5-80 years, comprised 33 males and 31 females with full mutation, 7 males and 43 females with premutation, and 38 non-fragile X relatives (29 males, 9 females). In the full mutation group, a total of 67% males and 23% females met either the Autism Disorder (AD) or the Autism Spectrum Disorder (ASD) criteria on at least one of the diagnostic tests. In the premutation group, 14% males and 5% females met the ADOS-G criteria for ASD. The presence of autism manifestations in males and females with full mutation and premutation provide support for a spectrum view.
J Autism Dev Disord 2007 Apr
PMID:Autism spectrum phenotype in males and females with fragile X full mutation and premutation. 1703 49

The relationship between symbolic play and other domains, such as degree of autistic symptomatology, nonverbal cognitive ability, receptive language, expressive language, and social development, was investigated. The assessment files of 101 children with Autism Spectrum Disorder were studied. Nonverbal cognitive ability and expressive language were both significantly and uniquely related to symbolic play, although receptive language was not. Autistic symptomatology ceased to be significantly related to symbolic play when controlling for two or more other variables. Social development was related to symbolic play in those children with high nonverbal cognitive ability but not those with low nonverbal cognitive ability. The diagnostic and treatment implications of these results are discussed.
J Autism Dev Disord 2007 Aug
PMID:Symbolic play in children with autism spectrum disorder. 1708 77

A family-based, cognitive behavioural treatment for anxiety in 47 children with comorbid anxiety disorders and High Functioning Autism Spectrum Disorder (HFA) was evaluated. Treatment involved 12 weekly group sessions and was compared with a waiting list condition. Changes between pre- and post-treatment were examined using clinical interviews as well as child-, parent- and teacher-report measures. Following treatment, 71.4% of the treated participants no longer fulfilled diagnostic criteria for an anxiety disorder. Comparisons between the two conditions indicated significant reductions in anxiety symptoms as measured by self-report, parent report and teacher report. Discussion focuses on the implications for the use of cognitive behaviour therapy with HFA children, for theory of mind research and for further research on the treatment components.
J Autism Dev Disord 2007 Nov
PMID:Treating anxiety disorders in children with high functioning autism spectrum disorders: a controlled trial. 1717 39

Patients diagnosed with Autism Spectrum Disorder, show impaired integration of information across different senses. The processing-level from which this impairment originates, however, remains unclear. We investigated low-level integration of auditory and visual stimuli in subjects with Autism Spectrum Disorder. High-functioning adult subjects with Autism Spectrum Disorder as well as age- and IQ-matched adults were tested using a task that evokes illusory visual stimuli, by presenting sounds concurrently with visual flashes. In both groups the number of sounds presented significantly affected the number of flashes perceived, yet there was no difference between groups. This finding implicates that any problems arising from integrating auditory and visual information must stem from higher processing stages in high-functioning adults with Autism Spectrum Disorder.
J Autism Dev Disord 2007 Nov
PMID:Brief report: can you see what is not there? low-level auditory-visual integration in autism spectrum disorder. 1727 34

The aim of this study was to analyze maternal stress in families of individuals with autism. We proposed a multi-factorial and global model based on the Double ABCX model of family stress (McCubbin & Patterson, 1983) in which, the factor aA (stressor) interacts with bB (social support) and cC (perception of stress or, in our study, sense of coherence, SOC) to produce the dependent factor xX (level of stress). Thirty-nine mothers with children diagnosed on Autistic Spectrum disorders completed four questionnaires relating to the factors. The data were statistically analyzed using path analysis. The results showed that the empirical data fitted the theoretically proposed model well. There existed a direct and positive relationship between stressor and stress. Social support and SOC had a direct and negative relationship to stress, and functioned as modulating variables.
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PMID:[Stress in mothers of individuals with autistic spectrum disorders]. 1729 54

Very low birth weight (VLBW) children are at high risk of perinatal white matter injury, which, when subtle, may not be seen using conventional magnetic resonance imaging. The relationship between clinical findings and fractional anisotropy (FA) measurements in white matter of adolescents born prematurely with VLBW was studied in 34 subjects (age = 15 years, birth weight </=1500 g) and 47 age-matched controls born at term, who were examined both clinically and with diffusion tensor imaging (DTI). Perceptual and cognitive functions were evaluated by visual motor integration (VMI) with supplementary tests and sub-tests from WISC-III, motor function by movement ABC and Grooved Pegboard test and psychiatric symptoms by the schedule for affective disorders and schizophrenia for school-age children semistructured interview, the Autism Spectrum Screening Questionnaire and attention deficit hyperactivity disorder (ADHD) rating scale IV. Overall functioning was scored on the children's global assessment scale. DTI scans were performed for calculation of FA maps and areas of significant differences in mean FA values between subjects and controls were compared with their clinical data. The VLBW children had reduced FA values in the internal and external capsule, corpus callosum and superior, middle superior and inferior fasciculus. Within this group of children, visual motor and visual perceptual deficits were associated with low FA values in the external capsule, posterior part of the internal capsule and in the inferior fasciculus. Children with low IQ had low FA values in the external capsule and inferior and middle superior fasciculus. Fine motor impairment was related to low FA values in the internal and external capsule and superior fasciculus. Eight VLBW children with inattention symptoms or a diagnosis of ADHD had significantly lower FA values in several areas. Mild social deficits correlated with reduced FA values in the external capsule and superior fasciculus. We conclude that DTI was able to detect differences in FA between VLBW adolescents and controls in several white matter areas at risk of periventricular leucomalacia in VLBW newborns. Our results show that low FA values in these areas were associated with perceptual, cognitive, motor and mental health impairments. These conclusions indicate that perinatal injury of white matter tracts persist with clinical significance in adolescence.
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PMID:Clinical findings and white matter abnormalities seen on diffusion tensor imaging in adolescents with very low birth weight. 1734 55

Autism, currently known as Autism Spectrum Disorder (ASD), is a lifelong neuropsychiatric disorder that starts before three years of age. The behavioral and cognitive symptoms seem to be caused by an abnormal synaptic connectivity that leads to deficits in the ability to filter sensory information. Poor filtering seems to constitute a barrier for the integration and processing of neuronal information. Because ASD is not a neurodegenerative disorder, under appropriate conditions, symptoms usually improve over time, probably because the autistic person learns to filter sensory information by alternative neuronal routes. This allows him/her to have a better understanding of the surrounding environment and in turn facilitates learning. Early intervention on children identified before age 2 notably improves prognosis. Currently, ASD can be detected in boys and girls when they are about 18 months old. However, parents and autism experts can observe symptoms before that age. The participation of the health system in order to prepare parents, pediatricians, and caregivers is highly important and leads to significant improvements in the quality of life of autistic individuals and of caregivers.
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PMID:[Importance of early detection in autism spectrum disorder]. 1738 98

The Autism-Spectrum Quotient (AQ) children's version has confirmed reliability and validity in the UK. In the current study, the children's AQ was administered in Japan to investigate whether the UK results are found in a very different culture. Two groups of children from primary and secondary schools were assessed: Group 1 (n = 81) children with Autism Spectrum Disorders (ASD, including Asperger Syndrome and high-functioning autism); Group 2 (n = 372) randomly selected controls, age-matched with Group 1. The children with ASD had a mean AQ score of 31.9 (SD = 6.69), which was significantly higher than controls (mean AQ = 11.7, SD = 5.94). Males scored significantly higher than females in the control group, but not in the ASD group. The pattern of difference between the Japanese clinical group and the control group was remarkably similar to the findings in the UK.
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PMID:[Autism-spectrum quotient (AQ) Japanese children's version " comparison between high-functioning children with autism spectrum disorders and normal controls]. 1744 62

Children with Autism Spectrum Disorder (ASD) have severe and pervasive impairments in the development of social interaction, which may affect the attachment relationship with their parents and may have an impact on parenting. In the current investigation 89 families with young children (mean age 26.5 months) were involved, who were diagnosed as ASD, mentally retarded (MR), or language delayed (LD), or part of a non-clinical comparison group. Attachment security was observed with the Brief Attachment Screening Questionnaire, and several parental self-report questionnaires assessed the parenting style, parental efficacy, parental experiences of daily hassles, social support, and psychological problems. Children with ASD were rated as less secure compared to the other clinical and normal comparison groups. Parents of non-clinical children reported higher levels of authoritative parenting than parents in the ASD group and in the total clinical group, and they also received less social support. Parents of children with ASD coped remarkably well with the challenges of raising a child with ASD.
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PMID:Autism, attachment and parenting: a comparison of children with autism spectrum disorder, mental retardation, language disorder, and non-clinical children. 1750 77


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