IntroductionLinked to Autism Spectrum Disorder (ASD) since the original descriptions by Leo Kanner (1943) and Hans Asperger [Wing, ], anxiety in autism has only become a focus of research in the past 20 years. During this time anxiety has been found to be more prevalent in ASD when compared to the general population [Bellini, ; Kim, Szatmari, Bryson, Streiner, & Wilson, ; Lopata et al., ], and a range of other clinical groups, including Down Syndrome [Evans, Canavera, Klinepeter, Taga, & Maccubbin, ], Conduct Disorder [Green, Gilchrist, & Cox, ], Specific Language Impairment [Gillott, Furniss, & Walter, ], Williams Syndrome [Rodgers, Riby, Janes, Connolly, & McConachie, ], and non‐specific learning disabilities [Gadow, DeVincent, Pomeroy, & Azizian, ; Gillott & Standen, ]. Recent large scale studies and systematic reviews have suggested the most realistic figure for individuals who meet the criteria for clinically significant anxiety to be 40% among children and adolescents [van Steensel, Bögels, & Perrin, ] and up to 60% in adults [Buck et al., ; Croen et al., ; Hofvander et al., ; Joshi et al., ; Lever & Geurts, ; Lugnegård, Hallerback, & Gillberg, 2011].Studies using parent report [Mayes, Calhoun, Murray, Ahuja, & Smith, ] and
Autism Research – Wiley
Published: Jan 1, 2018
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