No longitudinal studies on videogame training exist, but these may be required to provide conclusive answers about any benefits of videogame training and any interaction with preexisting differences. Suggestions for methodological improvement are made here, including recommendations for longitudinal studies. Such studies may become crucial for the field of attentional training to reach its full potential.
Author: Kristjánsson Á., Department of Psychology, School of Health Sciences, University of Iceland, in: Atten Percept Psychophys. 2013 May;75(4):667-72.