Alterations in Rapid Social Evaluations in Individuals with High Autism Traits.

Becker et al. (2021) asked 60 college students to rate neutral faces as 'safe' or 'threat' in under one second. Half the students scored high on the autism-spectrum quotient; half scored low.

All faces came from a standard set and showed no clear emotion. The team counted how often each group labeled a neutral face as threatening.

High-trait students called 42 % of neutral faces 'threat.' Low-trait students did so only 25 % of the time. The gap stayed even when the team ruled out social anxiety scores.

The result points to a built-in threat bias during rapid social checks in people with subtle autism features.

Finke et al. (2017) extends the finding. They showed the same high-trait adults look away more during real conversations. Together the studies map a loop: quick threat label, then gaze avoidance.

Root et al. (2017) found low-functioning kids with ASD mis-label low-intensity angry faces. Casey et al. now show the bias also appears in neurotypical adults with only high traits, suggesting one continuum.

Keintz et al. (2011) seems to disagree at first—they reported less eye-contact reciprocity in high-trait adults, not more threat feeling. The methods differ: S et al. watched natural gaze; Casey et al. timed snap judgments. Both can be true: the same adults may avoid eyes and over-tag neutral faces as danger.

When a client with high autism traits hesitates or looks away, do not assume willful non-compliance. Their brain may have tagged your neutral face as mildly threatening. Give extra wait time, use clear happy or neutral expressions, and pre-teach face-reading to cut the threat bias before social skills training starts.