Orientation and affective expression effects on face recognition in Williams syndrome and autism.
Face recognition in autism and Williams syndrome changes when you flip the photo or add emotion—test both ways.
01Research in Context
What this study did
Researchers tested the kids and teens. Half had autism. Half had Williams syndrome.
Each child saw faces on a screen. Some faces were upright. Some were upside-down.
The faces showed happy, sad, angry, or no emotion. Kids had to say if two faces were the same person.
What they found
Williams kids beat autism kids on upright faces with feelings.
Autism kids beat Williams kids on upside-down faces.
Both groups tied on upright faces with no feelings.
How this fits with other research
Hedley et al. (2015) later found the same upside-down drop in adults with autism. This backs up the autism part of the story.
Ikeda et al. (2023) tracked emotion understanding over time. They saw autism kids grow like typical peers, but Williams kids took a different path. This shows the two syndromes diverge in more than just face matching.
Faja et al. (2009) tested face layout skills in high-functioning adults with autism. They found worse accuracy than controls, matching the autism struggle seen here.
Why it matters
When you test face skills, always flip the photo upside-down. One orientation can hide real strengths or weaknesses. Use both to get the full picture.
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02At a glance
03Original abstract
We sought to clarify the nature of the face processing strength commonly observed in individuals with Williams syndrome (WS) by comparing the face recognition ability of persons with WS to that of persons with autism and to healthy controls under three conditions: Upright faces with neutral expressions, upright faces with varying affective expressions, and inverted faces with neutral expressions. No differences were observed under the upright/neutral expression condition. However, the WS group was more accurate than the autism group when discriminating upright faces with varying affective expressions, whereas the opposite pattern emerged when discriminating inverted faces. We interpret these differences as a reflection of the contrasting social features of the two syndromes.
Journal of autism and developmental disorders, 2007 · doi:10.1007/s10803-006-0200-4