Le développement visuo-moteur atypique des personnes avec syndrome de Williams

Heiz, Julie; Cheam, Caroline; Barisnikov, Koviljka

doi:10.1016/j.neucli.2013.10.093

Cited by 2 publications

(1 citation statement)

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“…CPM scores were in the range from 6 to 29 (17.7 ± 7.62, mean ± SD). In the Visual-Perception subtask (VP) from the Visual-Motor Integration test (VMI, Beery and Beery, 2004 ; Beery et al, 2010 ), adapted to French speaking population ( Heiz et al, 2014 , 2015 ), participants were first shown a set of progressively complex geometric shapes (in total 27 shapes), and on each item they were asked to choose (point to) the same shape presented among similar shapes (distractors). The test is designed to tap motor-free visual-perceptual skills, and is also used for determination of mental (or developmental) age.…”

Section: Methodsmentioning

confidence: 99%

Social Cognition in Williams Syndrome: Face Tuning

et al. 2016

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Many neurological, neurodevelopmental, neuropsychiatric, and psychosomatic disorders are characterized by impairments in visual social cognition, body language reading, and facial assessment of a social counterpart. Yet a wealth of research indicates that individuals with Williams syndrome exhibit remarkable concern for social stimuli and face fascination. Here individuals with Williams syndrome were presented with a set of Face-n-Food images composed of food ingredients and in different degree resembling a face (slightly bordering on the Giuseppe Arcimboldo style). The primary advantage of these images is that single components do not explicitly trigger face-specific processing, whereas in face images commonly used for investigating face perception (such as photographs or depictions), the mere occurrence of typical cues already implicates face presence. In a spontaneous recognition task, participants were shown a set of images in a predetermined order from the least to most resembling a face. Strikingly, individuals with Williams syndrome exhibited profound deficits in recognition of the Face-n-Food images as a face: they did not report seeing a face on the images, which typically developing controls effortlessly recognized as a face, and gave overall fewer face responses. This suggests atypical face tuning in Williams syndrome. The outcome is discussed in the light of a general pattern of social cognition in Williams syndrome and brain mechanisms underpinning face processing.

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Section: Methodsmentioning

confidence: 99%