However, attention deficit does not appear to affect performance on the task. They found that children who have a poor working memory are less able to consistently recreate time intervals, and this association is more pronounced in children with autism. They also measured each participant’s short-term, or working, memory, defined as the ability to recall very recent events, using a standard test for intelligence quotients.
Sitting in front of two bulbs, each participant first saw one bulb light up for 4 to 20 seconds and then pressed a computer key to make the second bulb light up for the same amount of time.īecause attention deficit - a common feature in autism - may affect time perception, the researchers also asked parents to complete a questionnaire on their child’s levels of inattention and hyperactivity. The researchers asked 27 children with autism and 25 controls, all aged 9 to 17 years, to gauge how long a light bulb glowed. The most recent, published 30 July in Autism Research, found that people on the autism spectrum have an impaired sense of time. And studies are increasingly confirming what we can relate anecdotally. These differences in time perception are probably familiar to many people with autism and their families. Even now, in their adolescence, the question “What day is it?” is frequent, as is “What are we having for lunch?” within an hour of having had lunch. When their peers learned to tell time in elementary school, they were completely at sea, unable to instinctively comprehend the passage of time. They both show delays in responding to spoken questions or requests. One area of overlap is their sense (or lack thereof) of time and timing. These two boys are so behaviorally similar, though, that we’ve often wondered where one diagnosis ends and another begins. One of my three sons has an autism spectrum disorder, and another has a diagnosis of attention deficit hyperactivity disorder. Autism research - and science in general - is constantly evolving, so older articles may contain information or theories that have been reevaluated since their original publication date. This article is more than five years old.
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