Epidemiology of Infantile Autism

Treffert, Darold A.

doi:10.1001/archpsyc.1970.01740290047006

Cited by 210 publications

(64 citation statements)

References 9 publications

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“…Maternal education is 1 variable we considered to be a potentially confounding factor because it is associated with maternal age and has been observed to be related to ASD risk (15). Our results, however, suggest that the association between advanced maternal education and ASD risk observed in unadjusted analysis may be spurious and due to confounding by parental age.…”

Section: Discussionmentioning

confidence: 54%

Advanced Parental Age and the Risk of Autism Spectrum Disorder

Durkin¹,

Maenner²,

Newschaffer³

et al. 2009

Obstetrical &Amp; Gynecological Survey

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Section: Discussionmentioning

confidence: 54%

Advanced Parental Age and the Risk of Autism Spectrum Disorder

Durkin¹,

Maenner²,

Newschaffer³

et al. 2009

Obstetrical &Amp; Gynecological Survey

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“…Although the association between autism and maternal age has been evaluated in multiple clinical and epidemiologic samples, some studies have reported a positive association [29][30][31][32][33][34][35][36] and others no association. [37][38][39][40][41][42][43] The association of ASD risk with paternal age has been less frequently investigated.…”

Section: Commentmentioning

confidence: 99%

Maternal and Paternal Age and Risk of Autism Spectrum Disorders

Croen¹,

Najjar²,

Fireman³

et al. 2007

Arch Pediatr Adolesc Med

347

253

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“…Prevalence estimates of autism have increased significantly over time from reports of 1 to 5 children per 10,000 in the 1970s (Brask, 1972;Treffert, 1970) to reports of 5 to 60 per 10,000 in the 1990s and this century (Bertrand et al, 2001;Kadesjö, Gillberg, & Hagsberg, 1999;Scott, Baron-Cohen, Bolton, & Brayne, 2002;Yeargin-Allsopp et al, 2003). Whether there has been a true rise in prevalence of autism over time or if the reported changes in prevalence can be explained by changes in diagnostic criteria and increased awareness of the disorder by parents and professionals remains to be seen (Rutter, 2005;Wing & Potter, 2002).…”

Section: Introductionmentioning

confidence: 99%

Auditory Characteristics of Children with Autism

et al. 2006

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Objectives: The objectives of this study were (1) to describe the auditory characteristics of children with autism relative to those of typically developing children and (2) to describe the test-retest reliability of behavioral auditory test measures with this population of children with autism.Design: Audiometric data were obtained from 22 children diagnosed with autism and 22 of their typically developing peers. The audiologic test battery consisted of behavioral measures (i.e., visual reinforcement audiometry, tangible reinforcement operant conditioning audiometry, and conditioned play audiometry) and physiological measures (auditory brain stem response audiometry, distortion product otoacoustic emissions, and acoustic reflexes).Results: Children with autism had physiologic test results equivalent to their typically developing counterparts. That is, no differences in auditory brain stem response audiometry, distortion product otoacoustic emissions, or acoustic reflex results were noted between the children with autism and typically developing children. However, behavioral measures revealed that about half of the children diagnosed with autism presented pure-tone averages outside of normal limits (i.e., >20 dB HL), although their response thresholds to speech were within normal limits. All behavioral test results were within normal limits (i.e., <20 dB HL) for the typically developing children. In addition, test-retest variability was typically 15 dB or greater for children with autism as compared with variability of 10 dB or less for most of the typically developing children. Conclusions:Children with autism demonstrated essentially equivalent results on a battery of physiological auditory tests as those obtained from typically developing children. However, on average, behavioral responses of children with autism were elevated and less reliable relative to those of typically developing children. Furthermore, approximately half of the children with autism demonstrated behavioral pure-tone averages outside of the normal hearing range (i.e., >20 dB HL) despite having normal to near-normal hearing sensitivity as determined by other audiometric measures.

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Epidemiology of Infantile Autism

Cited by 210 publications

References 9 publications

Advanced Parental Age and the Risk of Autism Spectrum Disorder

Advanced Parental Age and the Risk of Autism Spectrum Disorder

Maternal and Paternal Age and Risk of Autism Spectrum Disorders

Auditory Characteristics of Children with Autism

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