The main study objective was to investigate the effect of interactive television-based cognitive training on cognitive performance of 119 healthy older adults, aged 60-87 years. Participants were randomly allocated to a cognitive training group or to an active control group in a single-blind controlled two-group design. Before and after training interactive television cognitive performance was assessed on well validated tests of fluid, higher-order ability, and system usability was evaluated. The participants in the cognitive training group completed a television-based cognitive training programme, while the participants in the active control group completed a TV-based programme of personally benefiting activities. Significant improvements were observed in well validated working memory and executive function tasks in the cognitive training but not in the control group. None of the groups showed statistically significant improvement in life satisfaction score. Participants' reports of "adequate" to "high" system usability testify to the successful development and implementation of the interactive television-based system and compliant cognitive training contents. The study demonstrates that cognitive training delivered by means of an interactive television system can generate genuine cognitive benefits in users and these are measurable using well-validated cognitive tests. Thus, older adults who cannot use or afford a computer can easily use digital interactive television to benefit from advanced software applications designed to train cognition.

CogniFit Inc New York New York United States of America; Department of Psychology and the Center for Psychobiological Research Max Stern Academic College of Emek Yezreel Yezreel Valley Israel; Faculty of Informatics and Management University of Hradec Králové Hradec Králové Czech Republic

Department of Electrical Electronic Telecommunications Engineering and Naval Architecture University of Genoa Genoa Italy

Faculty of Informatics and Management University of Hradec Králové Hradec Králové Czech Republic

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Computer-Based Cognitive Training in Aging