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http://dx.doi.org/10.5392/JKCA.2014.14.12.854

Analysis of Working Memory for Attention Deficit Hyperactivity Disorder (ADHD) Children using fMRI  

Lee, Yong-Ki (가천대학교 뇌과학연구원)
Ahn, Sung-Min (가천대학교 방사선학과)
Publication Information
The Journal of the Korea Contents Association / v.14, no.12, 2014 , pp. 854-862 More about this Journal
Abstract
Attention deficit hyperactivity disorder (ADHD) students' intellctual defects, learning problems, and poor academic achievements seem to be due to significantly lower intelligence compared to the normal students, but rather the characteristic of inability to pay attention at a given time can be seen as the more attributing reason. In this study, a comparison between the ADHD students and the normal students will be performed using a fMRI analysis in order to differentiate the brain function between the two groups during a working memory task performance and to assess the difference in the activated regions of the brain. Clinical survey examinations and fMRI measurements were performed for a group of 26 elementary students from the Incheon area. The stimulus of fMRI was a working memory. Cartography statistically analyzed parameters and the Statistical Package of Social Sciences using single-sample t-test, two-sample t-test, were analyzed by multiple regression analysis, the statistical significance level was p<0.05 in, respectively. The disproportionate developments could be seen in the ADHD students group such as the frontal cortex, parietal cortex, thalamus, and caudate nucleus, among others. In addition, as some students felt the increase in the difficulty of working memory task performance, the orbitofrontal cortex and the hippocampus were activated, which seems to be the result of an effort for looking for an answer. More types of ADHD students needs to be secured as research subjects, and more stimulations for fMRI experiments should be considered as it would be useful in the overall evaluation of brain function.
Keywords
ADHD; Worjking Memory; fMRI;
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Times Cited By KSCI : 2  (Citation Analysis)
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