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Abstract
It has previously been proposed that autistic people have problems with timing which underlie the behavioural and cognitive differences in the condition. However, the nature of this postulated timing issue has not been well specified and the existing experimental literature has generated mixed findings. In the current study, we attempted a systematic investigation of timing processes in autistic adults using Scalar Expectancy Theory as a theoretical framework. Autistic (n = 58) and non-autistic (n = 91) adults matched for age, sex and full-scale IQ completed a battery of auditory and visual timing tasks measuring basic sub-second duration perception (temporal discrimination thresholds), clock processes (verbal estimation), clock and memory processes (temporal generalisation), and event timing (temporal order judgements). Participants also completed supra-second retrospective duration estimates where the participant was not warned in advanced that they would be required to make a timing judgement, and questionnaires measuring self-reported timing behaviours in daily life. The groups reported differences on questionnaires, but measures of timing performance were comparable overall. In an exploratory analysis, we performed principal components analysis to investigate the relationship between timing judgements and participants’ self-reported social-communicative, sensory and motor traits. Measures of timing performance were not well correlated with these questionnaire scores. The current study, the largest conducted on time and autism to date, shows no clear evidence for reduced timing performance in autistic adults.
Original language | English |
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Pages (from-to) | 2666-2682 |
Number of pages | 16 |
Journal | Journal of Experimental Psychology: General |
Volume | 151 |
Issue number | 11 |
Publication status | Published - 29 Jan 2022 |
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Time perception in autism: Are we asking the right questions?
Gowen, E. (Co-Organiser)
2021Activity: Participating in or organising event(s) › Organising a conference, workshop, exhibition, performance, inquiry, course etc › Research