[1] Fissler P, Küster OC, Laptinskaya D, Loy LS, Von Arnim CAF, Kolassa I-T. Jigsaw Puzzling Taps Multiple Cognitive Abilities and Is a Potential Protective Factor for Cognitive Aging. Front Aging Neurosci. 2018;10. doi:10.3389/fnagi.2018.00299
[2] Pilegard C, Mayer RE. Game over for Tetris as a platform for cognitive skill training. Contemporary Educational Psychology. 2018;54: 29–41. doi:10.1016/j.cedpsych.2018.04.003