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Neural responses to emotional expression information in high- and low-spatial frequency in autism: evidence for a cortical dysfunction

Overview of attention for article published in Frontiers in Human Neuroscience, April 2014
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  • Above-average Attention Score compared to outputs of the same age (51st percentile)
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Title
Neural responses to emotional expression information in high- and low-spatial frequency in autism: evidence for a cortical dysfunction
Published in
Frontiers in Human Neuroscience, April 2014
DOI 10.3389/fnhum.2014.00189
Pubmed ID
Authors

Corrado Corradi-Dell'Acqua, Sophie Schwartz, Emilie Meaux, Bénedicte Hubert, Patrik Vuilleumier, Christine Deruelle

Abstract

Despite an overall consensus that Autism Spectrum Disorder (ASD) entails atypical processing of human faces and emotional expressions, the role of neural structures involved in early facial processing remains unresolved. An influential model for the neurotypical brain suggests that face processing in the fusiform gyrus and the amygdala is based on both high-spatial frequency (HSF) information carried by a parvocellular pathway, and low-spatial frequency (LSF) information separately conveyed by a magnocellular pathway. Here, we tested the fusiform gyrus and amygdala sensitivity to emotional face information conveyed by these distinct pathways in ASD individuals (and matched Controls). During functional Magnetical Resonance Imaging (fMRI), participants reported the apparent gender of hybrid face stimuli, made by merging two different faces (one in LSF and the other in HSF), out of which one displayed an emotional expression (fearful or happy) and the other was neutral. Controls exhibited increased fusiform activity to hybrid faces with an emotional expression (relative to hybrids composed only with neutral faces), regardless of whether this was conveyed by LSFs or HSFs in hybrid stimuli. ASD individuals showed intact fusiform response to LSF, but not HSF, expressions. Furthermore, the amygdala (and the ventral occipital cortex) was more sensitive to HSF than LSF expressions in Controls, but exhibited an opposite preference in ASD. Our data suggest spared LSF face processing in ASD, while cortical analysis of HSF expression cues appears affected. These findings converge with recent accounts suggesting that ASD might be characterized by a difficulty in integrating multiple local information and cause global processing troubles unexplained by losses in low spatial frequency inputs.

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X Demographics

The data shown below were collected from the profiles of 2 X users who shared this research output. Click here to find out more about how the information was compiled.
Mendeley readers

Mendeley readers

The data shown below were compiled from readership statistics for 94 Mendeley readers of this research output. Click here to see the associated Mendeley record.

Geographical breakdown

Country Count As %
Italy 1 1%
Canada 1 1%
Australia 1 1%
Unknown 91 97%

Demographic breakdown

Readers by professional status Count As %
Student > Master 20 21%
Student > Ph. D. Student 19 20%
Researcher 14 15%
Student > Doctoral Student 7 7%
Professor > Associate Professor 4 4%
Other 13 14%
Unknown 17 18%
Readers by discipline Count As %
Psychology 32 34%
Neuroscience 13 14%
Medicine and Dentistry 9 10%
Agricultural and Biological Sciences 5 5%
Social Sciences 5 5%
Other 11 12%
Unknown 19 20%
Attention Score in Context

Attention Score in Context

This research output has an Altmetric Attention Score of 3. This is our high-level measure of the quality and quantity of online attention that it has received. This Attention Score, as well as the ranking and number of research outputs shown below, was calculated when the research output was last mentioned on 11 September 2017.
All research outputs
#13,172,995
of 22,749,166 outputs
Outputs from Frontiers in Human Neuroscience
#3,840
of 7,136 outputs
Outputs of similar age
#110,175
of 228,027 outputs
Outputs of similar age from Frontiers in Human Neuroscience
#127
of 189 outputs
Altmetric has tracked 22,749,166 research outputs across all sources so far. This one is in the 41st percentile – i.e., 41% of other outputs scored the same or lower than it.
So far Altmetric has tracked 7,136 research outputs from this source. They typically receive a lot more attention than average, with a mean Attention Score of 14.5. This one is in the 44th percentile – i.e., 44% of its peers scored the same or lower than it.
Older research outputs will score higher simply because they've had more time to accumulate mentions. To account for age we can compare this Altmetric Attention Score to the 228,027 tracked outputs that were published within six weeks on either side of this one in any source. This one has gotten more attention than average, scoring higher than 51% of its contemporaries.
We're also able to compare this research output to 189 others from the same source and published within six weeks on either side of this one. This one is in the 32nd percentile – i.e., 32% of its contemporaries scored the same or lower than it.