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Published on: June 15, 2011
Therapeutic responses to a frontal/executive programme in autism spectrum disorder: Comparison with schizophrenia
Maki Miyajima1, Hidetoshi Omiya2, Kiyoko Yamashita3
1Hokkaido University, Japan.
Introduction:
Studies on autism spectrum disorder in recent years have controversially indicated similarities with schizophrenia. Cognitive dysfunction is present in both disorders, and while there is a rich array of interventions for cognitive dysfunction in schizophrenia, there are few such treatments for autism spectrum disorder. In this study, we have investigated a potentially useful approach in autism spectrum disorder by comparing autism spectrum disorder with schizophrenia in regard to the characteristics of cognitive dysfunction and therapeutic response to cognitive remediation therapy.
Method:
We studied seven patients with autism spectrum disorder and eight patients with schizophrenia, using a frontal/executive programme as the intervention. The characteristics of cognitive dysfunction in autism spectrum disorder before frontal/executive programme and the therapeutic response to frontal/executive programme in autism spectrum disorder patients were compared with those in schizophrenia patients, based on evaluation of cognitive function and social function. The changes in cognitive and social function after treatment in each patient group were compared using the Mann-Whitney's U test.
Results:
The severity of cognitive dysfunction did not differ significantly between autism spectrum disorder and schizophrenia. Frontal/executive programme was effective in autism spectrum disorder, with subjects showing about the same therapeutic response as in schizophrenia.
Conclusion:
Frontal/executive programme appears to be useful for patients with autism spectrum disorder. Furthermore, the similarities in cognitive dysfunction and therapeutic response between autism spectrum disorder and schizophrenia are highly relevant to the recent debate concerning the similarity between these two disease concepts.
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