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Journal of Autism and Developmental Disorders

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01-08-2009 | Brief Report

Brief Report: Attenuated Emotional Suppression of the Attentional Blink in Autism Spectrum Disorder: Another Non-Social Abnormality?

Auteurs: Sebastian B. Gaigg, Dermot M. Bowler

Gepubliceerd in: Journal of Autism and Developmental Disorders | Uitgave 8/2009

Abstract

Twenty-five individuals with Autism Spectrum Disorder and 25 typically developed individuals participated in an Attentional Blink paradigm to determine whether emotional words would capture attention similarly in the two groups. Whilst the emotionality of words facilitated attention in typical comparison participants, this effect was attenuated in the ASD group. The magnitude of the emotional modulation of attention in ASD also correlated significantly with participants’ VIQ, which was not observed for the comparison group. Together these observations replicate and extend the findings of Corden et al. (J Autism Develop Disord 38:1072–1080, 2008) and implicate abnormalities in emotional processes outside the broader context of social cognition in ASD. We discuss our findings in relation to possible abnormalities in amygdala function that may underlie the disorder.

vorige artikel Relationship Between Symptom Domains in Autism Spectrum Disorders: A Population Based Twin Study

volgende artikel Brief Report: Effects of Pressure Vest Usage on Engagement and Problem Behaviors of a Young Child with Developmental Delays

These effect sizes are calculated on the basis of the Greenhouse Geisser adjusted degrees of freedom.

It should be noted that difference scores between emotionally charged and neutral T2s yield the same pattern of results, which is not surprising given that semantic distinctiveness did not seem to facilitate T2 detection during the AB time-window. We present difference scores based on male first name T2s here as these more conservatively estimate the impact of emotion on the AB.

Correlations between the magnitude of the emotional modulation of the AB and Performance IQ or Full-scale IQ were not significant for either group of participants.

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Titel: Brief Report: Attenuated Emotional Suppression of the Attentional Blink in Autism Spectrum Disorder: Another Non-Social Abnormality?
Auteurs: Sebastian B. Gaigg
Dermot M. Bowler
Publicatiedatum: 01-08-2009
Uitgeverij: Springer US
Gepubliceerd in: Journal of Autism and Developmental Disorders / Uitgave 8/2009
Print ISSN: 0162-3257
Elektronisch ISSN: 1573-3432
DOI: https://doi.org/10.1007/s10803-009-0719-2

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