Rattat Anne-Claire, Collié Isabelle
Sciences of Cognition, Technology and Ergonomics (SCoTE) Laboratory, Champollion National University Institute, Toulouse University, Albi, France.
Medico-Educational Institute - Autan Val Fleuri, Toulouse, France.
Heliyon. 2020 Nov 18;6(11):e05514. doi: 10.1016/j.heliyon.2020.e05514. eCollection 2020 Nov.
While the ability to measure time correctly is crucial for adaptation to the external physical and social environment, to date, research on timing ability and its development in individuals with intellectual disability (ID) is unfortunately remarkably scarce.
In the present study, we investigated the ability of individuals with mild ID to estimate durations and the development of this ability from 11 to 19 years, in comparison to typically developing (TD) individuals.
Participants with mild ID and TD participants matched on chronological age completed two temporal tasks: (1) a temporal bisection of auditory stimuli, in which they had to decide whether arbitrary stimulus duration was more similar to the short (200 ms) or the long (800 ms) standard previously learned, and (2) a temporal categorization of familiar actions, in which short, medium or long target durations had to be paired with one of three comparison action durations.
Temporal performance was systematically impaired in participants with mild ID. Moreover, the temporal impairment increased with age in the bisection task but not in the categorization task.
These findings suggest that the ability to estimate durations develops at a slower pace in individuals with mild ID compared to TD individuals.
虽然正确测量时间的能力对于适应外部自然和社会环境至关重要，但遗憾的是，迄今为止，关于智力残疾（ID）个体的计时能力及其发展的研究非常稀少。
在本研究中，我们调查了轻度ID个体估计持续时间的能力以及该能力在11至19岁之间的发展情况，并与正常发育（TD）个体进行了比较。
年龄匹配的轻度ID参与者和TD参与者完成了两项时间任务：（1）听觉刺激的时间二等分，他们必须判断任意刺激持续时间与之前学习的短（200毫秒）或长（800毫秒）标准哪个更相似；（2）熟悉动作的时间分类，其中短、中或长目标持续时间必须与三个比较动作持续时间之一配对。
轻度ID参与者的时间表现系统性受损。此外，在二等分任务中，时间损伤随年龄增加，但在分类任务中并非如此。
这些发现表明，与TD个体相比，轻度ID个体估计持续时间的能力发展较慢。
