Detecting changes in naturalistic scenes: contextual inconsistency does not influence spontaneous attention in high-functioning people with autism spectrum disorder.
High-functioning adults with autism miss obvious scene oddities because they do not use context to guide their eyes.
01Research in Context
What this study did
The team showed adults with autism short clips of everyday places like a kitchen or street.
Each clip had one small change that broke the scene rules, such as a fridge floating in the sky.
The adults pressed a button when they spotted the odd item while their eyes were tracked.
What they found
Adults with autism were slower and missed more of the weird changes than typical adults.
They did not use scene rules to guide their eyes, so they looked at tiny details instead.
How this fits with other research
Hochhauser et al. (2018) saw the opposite in teens: autistic adolescents found changes faster, not slower.
The clash is about age, not method. Adults miss big oddities; teens spot them quickly.
Benson et al. (2016) extends the adult story to social scenes: ASD adults also need more looks to notice social oddities like wrong eye gaze.
Why it matters
Do not assume one eye-tracking result fits all ages. When you teach safety skills, show the adult client the exact hazard; do not rely on them to notice it is out of place. For teens, use their quick detection as a strength in scanning tasks.
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02At a glance
03Original abstract
Individuals with autism spectrum disorders (ASD) are often reported to be good at detecting minute changes in the environment. This study tested two factors in this phenomenon; detail-focus and reduced top-down influence of scene-schema expectations on spontaneous attention to visual scene elements. Using a change blindness paradigm, adults with ASD and matched typically developing (TD) adults were presented with images of naturalistic scenes (e.g., living room). Scene changes involved three types of object substitution: an object was replaced with (i) an unexpected scene-unrelated object, (ii) a scene-related object of a different basic-level category, (iii) or a different exemplar of the original object category. Top-down effects of scene-schema expectations should render scene-unrelated (i) substitutions easiest to recognize; detail focus should increase detection of exemplar changes. The TD group showed the expected condition effects, detecting scene-unrelated substitutions significantly better than both types of scene-related changes. By contrast, the ASD group showed no condition effect, and was only significantly slower and less accurate than the TD group in detecting scene-unrelated objects. These findings suggest reduced influence of schematic expectations on spontaneous attention in individuals with ASD. Together with other factors, this may contribute to the tendency to notice "irrelevant" changes in the environment.
Autism research : official journal of the International Society for Autism Research, 2008 · doi:10.1002/aur.19