<qa>  What group will have a follow-up session one week after the intervention?However, before assessing the effectiveness of the intervention, it is necessary to evaluate the feasibility and acceptability thereof. This study will recruit 14 participants and randomly assign them to two groups: a NFB group and a video games control group. Long-term changes will be evaluated at two time points for both groups: baseline and post-intervention. The NFB group will have a follow-up session one week after the intervention, to evaluate whether there are long lasting changes after NFB training. In addition, short-term changes of NFB will be evaluated for the experimental group, contrasting EEG activity immediately before and after the first and last NFB session. 