Sensory Processing in the Autism Spectrum: The Role of Attention to Detail and Somatic Trait Anxiety in the Olfactory Perception of the General Population.

Barros et al. (2021) asked healthy adults to smell pairs of everyday odors. The team then checked how well each person could tell the scents apart.

They also gave short questionnaires on two things: Attention to Detail (an autism-like trait) and somatic trait anxiety (body-based worry). The goal was to see if these traits predict smell skills.

People who scored high on Attention to Detail made fewer smell mistakes. Women also did slightly better than men.

Those who reported more body anxiety made more mistakes. The link held even after removing age and sex effects.

Zappullo et al. (2023) saw the same boost: high Attention to Detail helped neurotypical adults spot small visual details during a mental-rotation task. Together the papers show this single trait sharpens both smell and sight.

Laycock et al. (2014) looked at the flip side. They found high autistic traits hurt visual discrimination when pictures popped up fast. The new smell task had no time pressure, which may explain why traits helped instead of hurt.

Ferguson et al. (2020) moved from neurotypical people to autistic adults. They recorded sweat responses to fear odors and found weaker reactions as autism severity rose. Filipa's work suggests one reason: better smell discrimination (linked to Attention to Detail) may balance against anxiety, creating mixed odor reactions in real life.

If a client with high anxiety struggles with smell-based tasks, try reducing stress first. For clients who love tiny details, use scent games to build engagement—their nose may be more accurate than yours. The study reminds us that autism traits can enhance perception when tasks are self-paced and clear.