Journal
RESEARCH IN AUTISM SPECTRUM DISORDERS
Volume 6, Issue 2, Pages 717-725Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.rasd.2011.09.008
Keywords
Autism-spectrum; Schizophrenia; Obsessive-compulsive disorder (OCD); Autism-Spectrum Quotient (AQ); Schizotypal Personality Questionnaire (SPQ); Padua Inventory (PI)
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Social and communicative deficits, restricted interests and repetitive behaviors are diagnostic features of autism spectrum disorders (ASD). The present study examined the relationship between autistic characteristics and schizophrenia-spectrum traits as well as between autistic characteristics and obsessive-compulsive traits in typically developed young adults. The Autism-Spectrum Quotient (AQ) was given separately to two large samples. In addition, one sample (N = 662) was given the Schizotypal Personality Questionnaire (SPQ) to assess schizophrenia-spectrum traits, whereas the other sample (N = 347) was given the Padua Inventory (PI) to assess obsessive-compulsive disorder (OCD) traits. The results revealed a moderate correlation between the AQ and the SPQ total scores; however, multiple regression analyses showed that the Cognitive-Perceptual factor did not predict the autism-spectrum degree, although autistic characteristics and schizophrenia-spectrum traits had common social-emotional difficulties. Similarly, there was a moderate correlation between the AQ and PI total scores, which suggests that they had common problems in cognitive aspects; however, autism-spectrum and OCD traits differed with regard to other behavioral characteristics including repetitive or impulsive behaviors. Therefore, there was not a large overlap of the autism-spectrum and either the schizophrenia- or obsessive-compulsive spectrums, although certain traits were correlated with each other. (c) 2011 Elsevier Ltd. All rights reserved.
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