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Published in: Journal of Neurodevelopmental Disorders 1/2018

Open Access 01-12-2018 | Research

Neural correlates of socio-emotional perception in 22q11.2 deletion syndrome

Authors: Lydia Dubourg, Pascal Vrticka, Martin Debbané, Léa Chambaz, Stephan Eliez, Maude Schneider

Published in: Journal of Neurodevelopmental Disorders | Issue 1/2018

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Abstract

Background

Social impairments are described as a common feature of the 22q11.2 deletion syndrome (22q11DS). However, the neural correlates underlying these impairments are largely unknown in this population. In this study, we investigated neural substrates of socio-emotional perception.

Methods

We used event-related functional magnetic resonance imaging (fMRI) to explore neural activity in individuals with 22q11DS and healthy controls during the visualization of stimuli varying in social (social or non-social) or emotional (positive or negative valence) content.

Results

Neural hyporesponsiveness in regions of the default mode network (inferior parietal lobule, precuneus, posterior and anterior cingulate cortex and frontal regions) in response to social versus non-social images was found in the 22q11DS population compared to controls. A similar pattern of activation for positive and negative emotional processing was observed in the two groups. No correlation between neural activation and social functioning was observed in patients with the 22q11DS. Finally, no social × valence interaction impairment was found in patients.

Conclusions

Our results indicate atypical neural correlates of social perception in 22q11DS that appear to be independent of valence processing. Abnormalities in the social perception network may lead to social impairments observed in 22q11DS individuals.
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Metadata
Title
Neural correlates of socio-emotional perception in 22q11.2 deletion syndrome
Authors
Lydia Dubourg
Pascal Vrticka
Martin Debbané
Léa Chambaz
Stephan Eliez
Maude Schneider
Publication date
01-12-2018
Publisher
BioMed Central
Published in
Journal of Neurodevelopmental Disorders / Issue 1/2018
Print ISSN: 1866-1947
Electronic ISSN: 1866-1955
DOI
https://doi.org/10.1186/s11689-018-9232-2

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