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https://hdl.handle.net/1959.11/21565
Title: | Age-Related Variations in Comparative Testosterone Concentrations Between Boys with Autism Spectrum Disorder and their typically-Developing Peers: A Challenge to the 'Extreme Male Brain' Hypothesis of ASD | Contributor(s): | Sharpley, Christopher (author) ; Bitsika, Vicki (author) ; Andronicos, Nicholas (author) ; Agnew, Linda (author) | Publication Date: | 2017 | DOI: | 10.1007/s10882-016-9528-7 | Handle Link: | https://hdl.handle.net/1959.11/21565 | Abstract: | There is some disagreement in the literature regarding the presence of elevated testosterone concentrations in boys with Autism Spectrum Disorder (ASD). To explore that disagreement, the presence of significant differences in testosterone concentrations in young males with Autism Spectrum Disorder (ASD) and normally developing controls aged 6 yr. to 17 yr. was investigated. A total of 136 young males with ASD and 48 age-matched non-ASD males contributed samples of saliva at a set time and these were assayed for testosterone concentrations. There was no significant difference in testosterone concentrations between the two entire samples. When examined at two-yearly intervals, ASD participants had significantly lower testosterone concentrations at age 12 yr. to 13 yr. and also exhibited relatively homogeneous testosterone concentrations compared to non-ASD participants. These data challenge the 'extreme male brain' hypothesis for ASD and suggest that ASD young males were delayed in their pubertal development and that the developmental variability expected in the wider population was not present. | Publication Type: | Journal Article | Source of Publication: | Journal of Developmental and Physical Disabilities, 29(2), p. 353-367 | Publisher: | Springer New York LLC | Place of Publication: | United States of America | ISSN: | 1573-3580 1056-263X |
Fields of Research (FoR) 2008: | 110903 Central Nervous System | Fields of Research (FoR) 2020: | 320903 Central nervous system | Socio-Economic Objective (SEO) 2008: | 920111 Nervous System and Disorders | Socio-Economic Objective (SEO) 2020: | 200409 Mental health | Peer Reviewed: | Yes | HERDC Category Description: | C1 Refereed Article in a Scholarly Journal |
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Appears in Collections: | Journal Article |
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