Assessment & Research

Brief report: eye-movement patterns during an embedded figures test in children with ASD.

Keehn et al. (2009) · Journal of autism and developmental disorders 2009
★ The Verdict

Autistic kids finish visual puzzles faster because they take shorter eye stops, not more of them.

✓ Read this if BCBAs who test visual skills or run attention-to-task programs with autistic learners.
✗ Skip if Clinicians focused only on verbal or social domains where eye tracking isn't used.

01Research in Context

01

What this study did

Keehn et al. (2009) watched kids' eyes while they hunted for hidden shapes. The team used an embedded-figures test: find a small triangle inside a big drawing. Kids with autism and typical kids each wore an eye tracker.

The study timed every eye stop. They wanted to know if autistic kids finish faster because they look more often or because they linger less on each spot.

02

What they found

Autistic kids solved the puzzles quicker. Their secret was shorter fixations, not more of them. They glanced, moved on, and still beat the clock.

Typical kids stared longer at each detail. Same number of looks, different length.

03

How this fits with other research

Kovarski et al. (2019) saw the same speed boost in a free-viewing task. Autistic children started eye jumps faster, backing up the brief-fixation pattern.

Li et al. (2021) adds a twist. Their spatial-memory game showed autistic kids skip chunking and lean on outside cues. The short-fixation style links to this cue-hopping strategy.

Evers et al. (2014) rounds out the picture. In a moving-dot task, autistic kids ignored distracting groups better. Quick, short looks may help them stick to local targets and ignore the crowd.

04

Why it matters

If a child with autism rushes through a visual task, don't assume carelessness. Brief looks are their normal gear. Use clear, isolated cues and allow faster pacing. For typical learners, slow the slide or add guiding questions so they don't get lost in details. Match the task speed to the eye style you see.

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Set a 3-second local search trial: present one hidden shape, let the child find it, and record time; praise quick finds to keep their natural brief-fixation rhythm.

02At a glance

Intervention
not applicable
Design
other
Population
autism spectrum disorder, neurotypical
Finding
negative

03Original abstract

The present study examined fixation frequency and duration during an Embedded Figures Test (EFT) in an effort to better understand the attentional and perceptual processes by which individuals with autism spectrum disorder (ASD) achieve accelerated EFT performance. In particular, we aimed to elucidate differences in the patterns of eye-movement in ASD and typically developing (TD) children, thus providing evidence relevant to the competing theories of weak central coherence (WCC) and enhanced perceptual functioning. Consistent with prior EFT studies, we found accelerated response time (RT) in children with ASD. No group differences were seen for fixation frequency, but the ASD group made significantly shorter fixations compared to the TD group. Eye-movement results indicate that RT advantage in ASD is related to both WCC and enhanced perceptual functioning.

Journal of autism and developmental disorders, 2009 · doi:10.1007/s10803-008-0608-0