Journal
MOLECULAR AUTISM
Volume 11, Issue 1, Pages -Publisher
BMC
DOI: 10.1186/s13229-020-00336-3
Keywords
Autism spectrum disorder; First impressions; Sex differences; Camouflage
Categories
Funding
- Eagles Charitable Trust
- McMorris Family Foundation
- Allerton Foundation
- NICHD [5U54HD086984-03]
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Background Individuals with autism spectrum disorder (ASD) are characterized by social communication challenges and repetitive behaviors that may be quickly detected by experts (Autism Res 10:653-62, 2017; American Psychiatric Association, Diagnostic and statistical manual of mental disorders, 2013). Recent research suggests that even naive non-experts judge a variety of human dimensions using narrow windows of experience called first impressions. Growing recognition of sex differences in a variety of observable behaviors in ASD, combined with research showing that some autistic girls and women may camouflage outward symptoms, suggests it may be more difficult for naive conversation partners to detect ASD symptoms in girls. Here, we explore the first impressions made by boys and girls with ASD and typically developing (TD) peers. Methods Ninety-three school-aged children with ASD or TD were matched on IQ; autistic girls and boys were additionally matched on autism symptom severity using the ADOS-2. Participants completed a 5-minute get-to-know-you conversation with a new young adult acquaintance. Immediately after the conversation, confederates rated participants on a variety of dimensions. Our primary analysis compared conversation ratings between groups (ASD boys, ASD girls, TD boys, TD girls). Results Autistic girls were rated more positively than autistic boys by novel conversation partners (betterperceivedsocial communication ability), despite comparable autism symptom severity as rated by expert clinicians (equivalenttruesocial communication ability). Boys with ASD were rated more negatively than typical boys and typical girls by novel conversation partners as well as expert clinicians. There was no significant difference in the first impressions made by autistic girls compared to typical girls during conversations with a novel conversation partner, but autistic girls were rated lower than typical girls by expert clinicians. Limitations This study cannot speak to the ways in which first impressions may differ for younger children, adults, or individuals who are not verbally fluent; in addition, there were more autistic boys than girls in our sample, making it difficult to detect small effects. Conclusions First impressions made during naturalistic conversations with non-expert conversation partners could-in combination with clinical ratings and parent report-shed light on the nature and effects of behavioral differences between girls and boys on the autism spectrum.
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