How Anxious Do You Think I Am? Relationship Between State and Trait Anxiety in Children With and Without ASD During Social Tasks.
J Mertens, E R Zane, K Neumeyer and 1 others
PMID 28074356WHAT IT FOUND
Adolescents with autism were rated by parents and themselves as more anxious on some questionnaires, but their body responses to a stressful social task were not higher than peers.
Parent-reported anxiety was linked to lower body responses during stress.
Key findings
01The autism group scored higher on parent-reported anxiety and on the MASC self-report, but not on the child SCARED or BFNE-S self-report.
02The stressful task raised skin conductance and heart rate and lowered heart-rate variability for all participants, but the autism and typical groups did not differ in these physiological responses.
03Self-reported trait anxiety did not correlate with physiological state anxiety, while parent-reported trait anxiety was associated with lower skin conductance during the stressful task.
STILL TO COME
How it was doneWhat they foundWhat it means for SLPs
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What it does not show
The sample was small, and the biophysiology analyses used only participants who returned for the second visit and provided usable data. Some participants were taking medications that may affect physiological arousal, and the authors did not exclude them. The study did not obtain verified diagnoses of co-occurring anxiety disorder, so anxiety levels may not reflect clinical anxiety diagnoses. The stressful task was not a real social interaction; participants presented to video judges, so it may not capture anxiety in everyday conversation. Participants were not asked to report how anxious they felt during the task, so the physiological measures were not compared with in-the-moment self-report. The study did not measure parental involvement or social independence, so differences in parent-child agreement on anxiety were not explained. The paper analysed several questionnaire and physiological outcomes separately, so no single finding should be treated as the main proof. The study was observational and did not test a treatment or intervention.
Declared interests
Julia Mertens, Emily R Zane, Kayla Neumeyer, and Ruth B Grossman declared no conflicts of interest.
The easy way to misread this
Do not conclude that adolescents with autism are more physiologically anxious during social tasks. Their heart rate, skin conductance, and heart-rate variability responses were not higher than typical peers, and the parent-report association was correlational.