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    政大機構典藏 > 理學院 > 心理學系 > 期刊論文 >  Item 140.119/65634
    Please use this identifier to cite or link to this item: http://nccur.lib.nccu.edu.tw/handle/140.119/65634


    Title: The ex-Gaussian distribution of reaction times in adolescents with attention-deficit/hyperactivity disorder
    Authors: 許文耀
    Hsu, Wen-Yau
    Shoou-Lian Hwang Gu
    Gau, Susan Shur-Fen
    Tzang, Shyh-Weir
    Contributors: 心理系
    Keywords: ADHD;Reaction time variability;Ex-Gaussian distribution;Effort allocation;Cognitive-energetic model
    Date: 2013-11
    Issue Date: 2014-04-24 16:56:13 (UTC+8)
    Abstract: We investigated the three parameters (mu, sigma, tau) of ex-Gaussian distribution of RT derived from the Conners’ continuous performance test (CCPT) and examined the moderating effects of the energetic factors (the inter-stimulus intervals (ISIs) and Blocks) among these three parameters, especially tau, an index describing the positive skew of RT distribution. We assessed 195 adolescents with DSM-IV ADHD, and 90 typically developing (TD) adolescents, aged 10–16. Participants and their parents received psychiatric interviews to confirm the diagnosis of ADHD and other psychiatric disorders. Participants also received intelligence (WISC-III) and CCPT assessments. We found that participants with ADHD had a smaller mu, and larger tau. As the ISI/Block increased, the magnitude of group difference in tau increased. Among the three ex-Gaussian parameters, tau was positively associated with omission errors, and mu was negatively associated with commission errors. The moderating effects of ISIs and Blocks on tau parameters suggested that the ex-Gaussian parameters could offer more information about the attention state in vigilance task, especially in ADHD.
    Relation: Research in Developmenta Disabilities, 34(11),3709-3719
    Data Type: article
    DOI 連結: http://dx.doi.org/10.1016/j.ridd.2013.07.025
    DOI: 10.1016/j.ridd.2013.07.025
    Appears in Collections:[心理學系] 期刊論文

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