Results highlighted the importance of addressing emotional and behavioural problems in very young children with autism and/or developmental delay. The need for early support and intervention for mothers, fathers and families in this context was also evidenced. As research has shown that behavioural and emotional problems persist into adolescence and young adulthood, understanding of these issues in very young children and their parents has important implications for intervention and long-term outcomes.
Interventions for autism are limited. The synthetic hormone oxytocin may provide a potential treatment to improve core social and behavioral difficulties in autism, but its efficacy has yet to be evaluated in young children who potentially may benefit to a greater extent. We investigated the efficacy, tolerability and safety of oxytocin treatment in young children with autism using a double-blind, randomized, placebo-controlled, crossover, clinical trial. Thirty-one children with autism received 12 International Units (IU) of oxytocin and placebo nasal spray morning and night (24 IU per day) for 5 weeks, with a 4-week washout period between each treatment. Compared with placebo, oxytocin led to significant improvements on the primary outcome of caregiver-rated social responsiveness. Overall, nasal spray was well tolerated, and the most common reported adverse events were thirst, urination and constipation. This study is the first clinical trial to support the potential of oxytocin as an early intervention for young children with autism to help improve social interaction deficits.
Autism is a neurodevelopmental disorder with a specific pattern of behavioural, communication and social problems. Additional mental health problems are often poorly understood and undetected. This study investigates the level and pattern of emotional and behavioural problems in young people with autism compared with children with intellectual disability (ID). Subjects were 381 young people with autism and a representative group of 581 Australian young people with ID aged 4-18 years. Parents/carers provided details of the emotional and behavioural problems of their child using the Developmental Behaviour Checklist (DBC-P). Young people with autism were found to suffer from significantly higher levels of psychopathology than young people with ID. The implications of this finding are discussed.
Describes the development and validation of the Developmental Behavior Checklist (DBC), a standardized instrument completed by lay informants to assess behavioral and emotional disturbance in children and adolescents with mental retardation (MR). Items describing common behavioral and emotional problems in this population were generated by extracting descriptions from 664 case files of children and adolescents with behavior disorders seen at a specialist developmental assessment service over 12 years. These items were reduced to a set of 96 items administered to a sample of 1,093 children and adolescents with mental retardation and then submitted to a principal components analysis. Six interpretable and partly validated subscales were obtained which explained 36% of the total variance and had satisfactory internal consistency. Interrater and test-retest agreement were satisfactory for both total scale score and for scores on each of the subscales. Good evidence of concurrent validity was provided by substantial positive correlations between total scores on the DBC completed by lay informants and the ratings of experienced psychiatrists based upon interviews and scores on two standardized instruments that must be completed by health professionals. The discriminative validity of the total score as assessed by area under the ROC curve was excellent (92%). Standardized norms for the DBC are derived from an epidemiological study of behavior problems in children and adolescents with mental retardation undertaken in two Australian States. Norms are available for the mild, moderate, severe, and profound MR groups and for the MR population as a whole.
These results provide evidence that the problem of psychopathology comorbid with intellectual disability is both substantial and persistent and suggest the need for effective mental health interventions.
This paper reports findings from an epidemiologically derived population in a multicentre study in NSW, Australia. The design of this study is described in the accompanying paper. Those with mild intellectual disability (ID) were likely to have been underascertained, but identification and participation rates for those with more severe ID were high. The study found that in the regions surveyed 40.7% of those with ID and aged between 4 and 18 could be classified as having severe emotional and behaviour disorder or as being psychiatrically disordered. The profoundly intellectually handicapped had lower levels of disturbance overall compared with those with mild, moderate and severe ID. The level of ID affected scores on a number of behavioural dimensions, with disruptive and antisocial behaviours more prominent in the mild ID group, and 'self-absorbed' and 'autistic' behaviours more prominent in those with severe ID. Age and sex did not affect prevalence, a finding that is in contrast to that found in general child psychopathology. The study found that fewer than 10% of children with intellectual disability and major psychiatric disorder had received specialist assistance.
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