Abstract
BackgroundPeople with 22q11.2 deletion syndrome (22q11DS) have difficulty processing social information including facial identity and emotion processing. However, difficulties with visual and attentional processes may play a role in difficulties observed with these social cognitive skills.MethodsA cross-sectional study investigated visual perception and processing as well as facial processing abilities in a group of 49 children and adolescents with 22q11DS and 30 age and socio-economic status-matched healthy sibling controls using the Birmingham Object Recognition Battery and face processing sub-tests from the MRC face processing skills battery.ResultsThe 22q11DS group demonstrated poorer performance on all measures of visual perception and processing, with greatest impairment on perceptual processes relating to form perception as well as object recognition and memory. In addition, form perception was found to make a significant and unique contribution to higher order social-perceptual processing (face identity) in the 22q11DS group.ConclusionsThe findings indicate evidence for impaired visual perception and processing capabilities in 22q11DS. In turn, these were found to influence cognitive skills needed for social processes such as facial identity recognition in the children with 22q11DS.
Highlights
People with 22q11.2 deletion syndrome (22q11DS) have difficulty processing social information including facial identity and emotion processing
The Birmingham Object Recognition Battery (BORB) sub-tests used in the present study assessed two components of visual perception and processing: (i) recognition of visual objects across different viewpoints and (ii) the ability to access stored knowledge of visual stimuli
Visual perception and processing Object recognition (Birmingham Object Recognition Task) Figure-ground segmentation sub-test performance showed no group differences once adjusted for multiple comparisons
Summary
A cross-sectional study investigated visual perception and processing as well as facial processing abilities in a group of 49 children and adolescents with 22q11DS and 30 age and socio-economic status-matched healthy sibling controls using the Birmingham Object Recognition Battery and face processing sub-tests from the MRC face processing skills battery
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