AUTHOR=Nahas Christelle , Gandit Marc , Monfort Emmanuel TITLE=Engagement in computerized cognitive training instructions by older people. A within-subject design to evaluate comprehension and acceptability of serious games instructions JOURNAL=Frontiers in Aging VOLUME=6 YEAR=2025 URL=https://www.frontiersin.org/journals/aging/articles/10.3389/fragi.2025.1297704 DOI=10.3389/fragi.2025.1297704 ISSN=2673-6217