<?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">v14i1e90410</article-id><article-id pub-id-type="doi">10.2196/90410</article-id><article-categories><subj-group subj-group-type="heading"><subject>Corrigenda and Addenda</subject></subj-group></article-categories><title-group><article-title>Correction: Tongue Muscle Training App for Middle-Aged and Older Adults Incorporating Flow-Based Gameplay: Design and Feasibility Pilot Study</article-title></title-group><contrib-group><contrib contrib-type="author"><name name-style="western"><surname>Su</surname><given-names>Kuan-Chu</given-names></name><degrees>MA</degrees><xref ref-type="aff" rid="aff1">1</xref></contrib><contrib contrib-type="author" corresp="yes"><name name-style="western"><surname>Wu</surname><given-names>Ko-Chiu</given-names></name><degrees>PhD</degrees><xref ref-type="aff" rid="aff2">2</xref></contrib><contrib contrib-type="author"><name name-style="western"><surname>Chou</surname><given-names>Kuei-Ru</given-names></name><degrees>PhD</degrees><xref ref-type="aff" rid="aff3">3</xref></contrib><contrib contrib-type="author"><name name-style="western"><surname>Huang</surname><given-names>Chia-Hsu</given-names></name><degrees>MDes</degrees><xref ref-type="aff" rid="aff2">2</xref></contrib></contrib-group><aff id="aff1"><institution>College of Design, National Taipei University of Technology</institution><addr-line>Taipei</addr-line><country>Taiwan</country></aff><aff id="aff2"><institution>Department of Interaction Design, National Taipei University of Technology</institution><addr-line>Rm.701-4, Design Building, No.1, Sec.3, Chung-hsiao E. Rd</addr-line><addr-line>Taipei</addr-line><country>Taiwan</country></aff><aff id="aff3"><institution>School of Nursing, Taipei Medical University</institution><addr-line>Taipei</addr-line><country>Taiwan</country></aff><author-notes><corresp>Correspondence to Ko-Chiu Wu, PhD, Department of Interaction Design, National Taipei University of Technology, Rm.701-4, Design Building, No.1, Sec.3, Chung-hsiao E. Rd, Taipei, 10608, Taiwan, 886 912-595408, 886 2-87732913; <email>kochiuwu@mail.ntut.edu.tw</email></corresp></author-notes><pub-date pub-type="collection"><year>2026</year></pub-date><pub-date pub-type="epub"><day>16</day><month>1</month><year>2026</year></pub-date><volume>14</volume><elocation-id>e90410</elocation-id><history><date date-type="received"><day>27</day><month>12</month><year>2025</year></date><date date-type="accepted"><day>29</day><month>12</month><year>2025</year></date></history><copyright-statement>&#x00A9; Kuan-Chu Su, Ko-Chiu Wu, Kuei-Ru Chou, Chia-Hsu Huang. Originally published in JMIR Serious Games (<ext-link ext-link-type="uri" xlink:href="https://games.jmir.org">https://games.jmir.org</ext-link>), 16.1.2026. </copyright-statement><copyright-year>2026</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/2026/1/e90410"/><related-article related-article-type="corrected-article" id="v13" ext-link-type="doi" xlink:href="10.2196/53045" xlink:title="Correction of" vol="13" xlink:type="simple">https://games.jmir.org/2025/1/e53045</related-article><abstract/></article-meta></front><body><p>In &#x201C;Tongue Muscle Training App for Middle-Aged and Older Adults Incorporating Flow-Based Gameplay: Design and Feasibility Pilot Study&#x201D; [<xref ref-type="bibr" rid="ref1">1</xref>], the authors made one change.</p><p>The institutional affiliation of author KCS has been changed from the following:</p><disp-quote><p>Department of Interaction Design, National Taipei University of Technology, Taipei, Taiwan</p></disp-quote><p>The affiliation now reads :</p><disp-quote><p>College of Design, National Taipei University of Technology, Taipei, Taiwan</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 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>Su</surname><given-names>KC</given-names> </name><name name-style="western"><surname>Wu</surname><given-names>KC</given-names> </name><name name-style="western"><surname>Chou</surname><given-names>KR</given-names> </name><name name-style="western"><surname>Huang</surname><given-names>CH</given-names> </name></person-group><article-title>Tongue muscle training app for middle-aged and older adults incorporating flow-based gameplay: design and feasibility pilot study</article-title><source>JMIR Serious Games</source><year>2025</year><month>01</month><day>9</day><volume>13</volume><fpage>e53045</fpage><pub-id pub-id-type="doi">10.2196/53045</pub-id><pub-id pub-id-type="medline">39791331</pub-id></nlm-citation></ref></ref-list></back></article>