Probabilistic Learning of Cue-Outcome Associations is not Influenced by Autistic Traits.
Jia Hoong Ong, Fang Liu
PMID 35951205WHAT IT FOUND
In experiments with adults, autistic traits did not predict learning which spoken cues led to objects, whether participants were told to discover the pattern or not.
A possible trait difference was not reliable.
Key findings
01In the explicit experiment, autistic traits did not affect learning of certain or less certain sound-object associations.
02In the implicit cover-task experiment, autistic traits did not affect test-phase learning of certain or less certain sound-object associations.
03Higher autistic traits were associated with poorer pitch discrimination in the explicit experiment, but not in the implicit experiment.
STILL TO COME
How it was doneWhat they found
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What it does not show
The study measured autistic traits in a mostly general adult sample, not a verified clinical autism group, so it does not directly show what happens in diagnosed autism. 15 participants in Experiment 1 and 28 participants in Experiment 2 were removed because they scored at or below chance, although analyses of the full samples gave a similar pattern. Online participants reported diagnoses but could not be checked, and some participants did not know whether they had a diagnosis. The task may have been too difficult, and accuracy may not capture the learning process or compensatory strategies. The only hint of a difference was a marginal interaction, and the authors said it should be interpreted with caution.
Declared interests
The funding statement names the H2020 European Research Council and the H2020 Marie Skłodowska-Curie Actions. The supplied text does not report author conflicts or sponsor involvement in design or writing.
The easy way to misread this
Do not read this as evidence that autistic traits do not affect communication, language learning, or clinical autism. The study used a laboratory sound-and-object task in adults scored on a trait questionnaire, and most participants did not have a verified autism diagnosis. The only hint of a difference was a marginal interaction that the authors said should be interpreted with caution.