Savant skills in autism: prevalence, areas and the right approach
In 2004, Daniel Tammet recited the number pi to the 22,514th decimal place in front of witnesses and cameras. What makes this interesting is that he describes that he has not memorised the number. For him, each digit has a color, shape or texture.For him, reciting the digits feels like describing a landscape. How savant abilities arise in autism has not been conclusively clarified – but research in recent years has painted a clearer picture than was once common.
How widespread are savant skills and in which areas do they manifest themselves?
The old estimate was about one in ten. One in ten autistic people had exceptional abilities in a certain area. More recent evaluations, including a study by the University of Edinburgh from 2021, assume that one in three of those affected are autistic – depending on how narrowly you define the criteria. The four classic areas are music (e.g. reproducing a piano piece without error after hearing it once), calendar calculation (naming the day of the week for any date within seconds), photographic memory and factual knowledge. Stephen Wiltshire, for example, draws city panoramas from a bird’s eye view after a single helicopter flight – London, Tokyo, New York, with the correct number of storeys.
Absolute hearing occurs in less than one percent of the general population. In autistic people, the rate is significantly higher. Exact figures vary depending on the study, but the difference is significant enough not to be random. This suggests that this ability is related to certain perceptual patterns that are more common on the spectrum.
What this can mean – and what it’s better not to do
The most difficult thing about savant skills in guidance is not the skill itself, but how to deal with it. A child who can do calendar calculations in seconds can quickly become an attraction at school and that is precisely the problem. The skill is demonstrated and marveled at or recalled as a trick, but how the child feels about it is often left behind.
Savant skills are not a compensation for difficulties in other areas and should not be treated as such. They are part of how someone processes the world – with high precision in an area that has meaning for that person. Understanding this without turning it into an expectation of performance is one of the more challenging aspects of good guidance.
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Sources:
Spektrum der Wissenschaft – Islands of brilliance
University of Edinburgh – Savant skills in autism spectrum conditions
