Brief report: perceptual load and the Autism Spectrum in typically developed individuals.

The team tested 40 college students with no autism diagnosis. Each student filled out the Autism-Spectrum Quotient (AQ) survey. Then they did a computer task with flashing shapes and distracting arrows.

The task had two levels: low load (easy) and high load (hard). Scientists measured how much the extra arrows slowed the students down.

Students scoring high on the AQ showed big slowdowns when the task was hard. Their reaction times jumped by 12 percent. Low-AQ students stayed steady.

In easy conditions, both groups acted the same. The difference only appeared under high perceptual load.

Milne et al. (2009) saw the same pattern with visual illusions. High systemizing scores predicted more illusion susceptibility. Together, the two studies show that autistic-like traits shape perception in multiple ways.

Li et al. (2015) confirmed that the AQ and related surveys stay reliable across cultures. This gives us confidence that the trait scores in Diz et al. (2011) are solid.

Constable et al. (2024) used parent reports to spot atypical visual behaviors in toddlers with ASD. Their questionnaire data and P's lab data both point to measurable vision-attention differences linked to autism traits.

If a client has high autistic traits, even without an ASD diagnosis, clutter can hurt learning. Reduce wall posters, turn off extra screens, and present one instruction at a time when teaching tough skills. The same trait survey you already give parents can flag who needs the cleanest workspace.