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Psychol Rep. 2018 Jan 1:33294118755674. doi: 10.1177/0033294118755674. [Epub ahead of print]

Exploring the Effects of Working Memory on Time Perception in Attention Deficit Hyperactivity Disorder.

Author information

1
Department of Speech Language Pathology and Audiology, 34899 Chung Shan Medical University , Taiwan; Department of Pediatrics, Chung Shan Medical University Hospital, Taiwan.
2
Department of Psychiatry, Chang-Hua Hospital, Ministry of Health and Welfare, Taiwan.

Abstract

Children with attention deficit hyperactivity disorder (ADHD) are often reported to have deficits of time perception. However, there is a strong relation between performance on tasks of working memory and time perception. Thus, it is possible that the poor performance of children with ADHD on time perception results from their deficit of working memory. In this study, the working memory of participants was separately assessed; therefore, we could explore the relationship between working memory and time perception of children with ADHD. Fifty-six children with ADHD and those of healthy controls completed tasks measuring working memory and time perception. The results showed that the time discrimination ability of children with ADHD was poorer than that of controls. However, there was a strong association between time perception and working memory. After controlling working memory and intelligence, the time discrimination ability of children with ADHD was not significantly poorer than that of controls. We suggest that there is an interdependent relationship between time perception and working memory for children with ADHD.

KEYWORDS:

Attention deficit hyperactivity disorder; N-back task; time perception; timing; working memory

PMID:
29417882
DOI:
10.1177/0033294118755674

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