The interplay between attentional strategies and language processing in high-functioning adults with autism spectrum disorder.
High-functioning adults with autism quietly burn extra attention on every language step, so give them more processing time.
01Research in Context
What this study did
Koolen et al. (2012) asked adults with autism to listen to sentences while doing a second task. They compared reaction times to typical adults doing the same thing.
The team looked at two language levels: simple sounds and full sentence meaning. They wanted to see if extra attention demands hit both levels in autism.
What they found
Typical adults slowed down only on the simple sound task when distracted. Adults with autism slowed down on both simple sounds and full sentences.
The double slowdown shows they use extra attention to process every step of language. Researchers call this a compensatory strategy.
How this fits with other research
Ring et al. (2020) extends the idea. They found adults with autism keep the same memory span as they age, while typical adults decline. Both studies point to hidden mental work that props up performance.
Chezan et al. (2019) also extends the picture. Using brain scans, they showed older adults with autism recruit extra neural areas during word tasks. The 2012 behavioral data and 2019 brain data match: extra effort is the norm.
Fusaroli et al. (2022) looked at children's voices, not adult attention. Their meta-analysis found small pitch and pause differences across languages. It reminds us that language quirks start early and last, supporting the need for lifelong supports.
Why it matters
If you test or teach high-functioning adults with autism, do not trust fluent speech as a sign of easy processing. Give extra wait time after multi-step directions. Break long instructions into short chunks and allow brief pauses. Watch for fatigue during long conversations; the client is working twice as hard behind the scenes.
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02At a glance
03Original abstract
This study examined the hypothesis of an atypical interaction between attention and language in ASD. A dual-task experiment with three conditions was designed, in which sentences were presented that contained errors requiring attentional focus either at (a) low level, or (b) high level, or (c) both levels of language. Speed and accuracy for error detection were measured from 16 high-functioning adults with ASD, and 16 matched controls. For controls, there was an attentional cost of dual level processing for low level performance but not for high level performance. For participants with ASD, there was an attentional cost both for low level and for high level performance. These results suggest a compensatory strategic use of attention during language processing in ASD.
Journal of autism and developmental disorders, 2012 · doi:10.1016/0022-0965(86)90033-0