The Value of a Virtual Assistant to Improve Engagement in Computerized Cognitive Training at Home: Exploratory Study oleh Isabella Zsoldos, Eléonore Trân, Hippolyte Fournier, Franck Tarpin-Bernard, Joan Fruitet, Mélodie Fouillen, Gérard Bailly, Frédéric Elisei, Béatrice Bouchot, Patrick Constant, Fabien Ringeval, Olivier Koenig, Hanna Chainay