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This paper is in the following e-collection/theme issue:

Games for Medical Education and Training (128) Games and Gamification for Health (846) Serious Games for Health and Medicine (857) Attention Deficit Disorder (ADD/ADHD) (100) Mental Health Games (136)

Published on in Vol 14 (2026)

Preprints (earlier versions) of this paper are available at https://preprints.jmir.org/preprint/83932, first published .
Young boy looking frustrated while doing homework with books and drawings

Association Between Task Difficulty Regulation in Game-Based Digital Therapeutics and Attention-Deficit/Hyperactivity Disorder Symptoms in Children: Secondary Analysis of a Randomized Controlled Trial

Association Between Task Difficulty Regulation in Game-Based Digital Therapeutics and Attention-Deficit/Hyperactivity Disorder Symptoms in Children: Secondary Analysis of a Randomized Controlled Trial

Authors of this article:

Jun-Su Kim1 Author Orcid Image ;   Seung-Jae Kim1 Author Orcid Image ;   Gilnam Ryu1 Author Orcid Image ;   Su-Jin Jun1 Author Orcid Image ;   Jin-Yeop Park1 Author Orcid Image ;   Mun-Ju Kim1 Author Orcid Image ;   Sang Sun Han2 Author Orcid Image ;   So-Hyeon Yoo2 Author Orcid Image ;   Byeong-II Kim3 Author Orcid Image ;   Hyun-ju Lee1, 2 Author Orcid Image ;   Jeong-Heon Song1 Author Orcid Image ;   Hyang-Sook Hoe1, 2, 4 Author Orcid Image
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Jun-Su Kim   1 * , MS ;   Seung-Jae Kim   1 * , MS ;   Gilnam Ryu   1 , MS ;   Su-Jin Jun   1 , BS ;   Jin-Yeop Park   1 , BS ;   Mun-Ju Kim   1 , MS ;   Sang Sun Han   2 , PhD ;   So-Hyeon Yoo   2 , PhD ;   Byeong-II Kim   3 , MS ;   Hyun-ju Lee   1, 2 , PhD ;   Jeong-Heon Song   1 , PhD ;   Hyang-Sook Hoe   1, 2, 4 , PhD

1 AI-Based Neurodevelopmental Diseases Digital Therapeutics Group, Korea Brain Research Institute (KBRI), Daegu, Republic of Korea

2 Department of Neural Development and Disease, Korea Brain Research Institute (KBRI), Daegu, Republic of Korea

3 Woorisoft Inc, Daegu, Republic of Korea

4 Department of Brain and Cognitive Sciences, Daegu Gyeongbuk Institute of Science & Technology, Daegu, Republic of Korea

*these authors contributed equally

Corresponding Author:

  • Hyang-Sook Hoe, PhD
  • AI-Based Neurodevelopmental Diseases Digital Therapeutics Group
  • Korea Brain Research Institute (KBRI)
  • 61, Cheomdan-ro
  • Daegu 41062
  • Republic of Korea
  • Phone: 82 53-980-8310
  • Email: sookhoe72@kbri.re.kr