Explanation of the variables: SEQUENCE (type of sequence) ID (number of participants) GENDER (1-female, 0-male) AGE PVG_ALL (total score of Internet Gaming Disorder Scale Short-Form) ACTIONGAME (average score for the action videogames) N2 (mean amplitude of N2 component) P3a (mean amplitude of P3a component) CONDITION (experimental confdition: game vs nogame) NONACTIONGAME (average score for the non-action videogames) IMPULSIVITY (total score of Barratt Impulsiveness Scale)