<?xml version="1.0" encoding="UTF-8"?><!DOCTYPE article PUBLIC "-//NLM//DTD Journal Publishing DTD v2.0 20040830//EN" "journalpublishing.dtd"><article xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink" dtd-version="2.0" xml:lang="en" article-type="correction"><front><journal-meta><journal-id journal-id-type="nlm-ta">JMIR Serious Games</journal-id><journal-id journal-id-type="publisher-id">games</journal-id><journal-id journal-id-type="index">15</journal-id><journal-title>JMIR Serious Games</journal-title><abbrev-journal-title>JMIR Serious Games</abbrev-journal-title><issn pub-type="epub">2291-9279</issn><publisher><publisher-name>JMIR Publications</publisher-name><publisher-loc>Toronto, Canada</publisher-loc></publisher></journal-meta><article-meta><article-id pub-id-type="publisher-id">v13i1e88500</article-id><article-id pub-id-type="doi">10.2196/88500</article-id><article-categories><subj-group subj-group-type="heading"><subject>Corrigenda and Addenda</subject></subj-group></article-categories><title-group><article-title>Correction: A Novel Approach Using Serious Game Data to Predict the WISC-V Processing Speed Index in Children With Attention-Deficit/Hyperactivity Disorder: Machine Learning Study</article-title></title-group><contrib-group><contrib contrib-type="author" equal-contrib="yes"><name name-style="western"><surname>Kim</surname><given-names>Jun-Su</given-names></name><degrees>MS</degrees><xref ref-type="aff" rid="aff1">1</xref><xref ref-type="fn" rid="equal-contrib1">*</xref></contrib><contrib contrib-type="author" equal-contrib="yes"><name name-style="western"><surname>Jeong</surname><given-names>Yoo Joo</given-names></name><degrees>BS</degrees><xref ref-type="aff" rid="aff1">1</xref><xref ref-type="aff" rid="aff2">2</xref><xref ref-type="aff" rid="aff3">3</xref><xref ref-type="fn" rid="equal-contrib1">*</xref></contrib><contrib contrib-type="author"><name name-style="western"><surname>Kim</surname><given-names>Seung-Jae</given-names></name><degrees>MS</degrees><xref ref-type="aff" rid="aff1">1</xref></contrib><contrib contrib-type="author"><name name-style="western"><surname>Jun</surname><given-names>Su Jin</given-names></name><degrees>BS</degrees><xref ref-type="aff" rid="aff1">1</xref></contrib><contrib contrib-type="author"><name name-style="western"><surname>Park</surname><given-names>Jin-Yeop</given-names></name><degrees>BS</degrees><xref ref-type="aff" rid="aff1">1</xref></contrib><contrib contrib-type="author"><name name-style="western"><surname>Hoe</surname><given-names>Hyang-Sook</given-names></name><degrees>PhD</degrees><xref ref-type="aff" rid="aff1">1</xref><xref ref-type="aff" rid="aff2">2</xref><xref ref-type="aff" rid="aff3">3</xref></contrib><contrib contrib-type="author" corresp="yes"><name name-style="western"><surname>Song</surname><given-names>Jeong-Heon</given-names></name><degrees>PhD</degrees><xref ref-type="aff" rid="aff1">1</xref></contrib></contrib-group><aff id="aff1"><institution>AI-based Neurodevelopmental Diseases Digital Therapeutics Group, Korea Brain Research Institute (KBRI)</institution><addr-line>61, Cheomdan-ro</addr-line><addr-line>Daegu</addr-line><country>Republic of Korea</country></aff><aff id="aff2"><institution>Neurodegenerative Disease Group, Korea Brain Research Institute (KBRI)</institution><addr-line>Daegu</addr-line><country>Republic of Korea</country></aff><aff id="aff3"><institution>Department of Brain and Cognitive Sciences, Gyeongbuk Institute of Science &#x0026; Technology</institution><addr-line>Daegu</addr-line><country>Republic of Korea</country></aff><author-notes><corresp>Correspondence to Jeong-Heon Song, PhD, AI-based Neurodevelopmental Diseases Digital Therapeutics Group, Korea Brain Research Institute (KBRI), 61, Cheomdan-ro, Daegu, 41062, Republic of Korea; <email>jhsong@kbri.re.kr</email></corresp><fn fn-type="equal" id="equal-contrib1"><label>*</label><p>these authors contributed equally</p></fn></author-notes><pub-date pub-type="collection"><year>2025</year></pub-date><pub-date pub-type="epub"><day>22</day><month>12</month><year>2025</year></pub-date><volume>13</volume><elocation-id>e88500</elocation-id><history><date date-type="received"><day>26</day><month>11</month><year>2025</year></date><date date-type="accepted"><day>05</day><month>12</month><year>2025</year></date></history><copyright-statement>&#x00A9; Jun-Su Kim, Yoo Joo Jeong, Seung-Jae Kim, Su Jin Jun, Jin-Yeop Park, Hyang-Sook Hoe, Jeong-Heon Song. Originally published in JMIR Serious Games (<ext-link ext-link-type="uri" xlink:href="https://games.jmir.org">https://games.jmir.org</ext-link>), 22.12.2025. </copyright-statement><copyright-year>2025</copyright-year><license license-type="open-access" xlink:href="https://creativecommons.org/licenses/by/4.0/"><p>This is an open-access article distributed under the terms of the Creative Commons Attribution License (<ext-link ext-link-type="uri" xlink:href="https://creativecommons.org/licenses/by/4.0/">https://creativecommons.org/licenses/by/4.0/</ext-link>), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work, first published in JMIR Serious Games, is properly cited. The complete bibliographic information, a link to the original publication on <ext-link ext-link-type="uri" xlink:href="https://games.jmir.org">https://games.jmir.org</ext-link>, as well as this copyright and license information must be included.</p></license><self-uri xlink:type="simple" xlink:href="https://games.jmir.org/2025/1/e88500"/><related-article related-article-type="corrected-article" ext-link-type="doi" xlink:href="10.2196/73408" xlink:title="Correction of" xlink:type="simple">https://games.jmir.org/2025/1/e73408</related-article></article-meta></front><body><p>In &#x201C;A Novel Approach Using Serious Game Data to Predict the WISC-V Processing Speed Index in Children With Attention-Deficit/Hyperactivity Disorder: Machine Learning Study&#x201D; [<xref ref-type="bibr" rid="ref1">1</xref>], the authors noted one error.</p><p>In the <italic>Acknowledgments</italic> section, the following information has been added:</p><disp-quote><p>JHS and HSH contributed equally as co-corresponding authors on this work, and the latter can be reached at sookhoe72@kbri.re.kr.</p></disp-quote><p>The correction will appear in the online version of the paper on the JMIR Publications website, together with the publication of this correction notice. Because this correction was made after submission to PubMed, PubMed Central, and other full-text repositories, the corrected article has also been resubmitted to those repositories.</p></body><back><ref-list><title>References</title><ref id="ref1"><label>1</label><nlm-citation citation-type="journal"><person-group person-group-type="author"><name name-style="western"><surname>Kim</surname><given-names>JS</given-names> </name><name name-style="western"><surname>Jeong</surname><given-names>YJ</given-names> </name><name name-style="western"><surname>Kim</surname><given-names>SJ</given-names> </name><etal/></person-group><article-title>A novel approach using serious game data to predict the WISC-V processing speed index in children with attention-deficit/hyperactivity disorder: machine learning study</article-title><source>JMIR Serious Games</source><year>2025</year><month>10</month><day>14</day><volume>13</volume><fpage>e73408</fpage><pub-id pub-id-type="doi">10.2196/73408</pub-id><pub-id pub-id-type="medline">41086393</pub-id></nlm-citation></ref></ref-list></back></article>