Humans 2 Reaction Time 2 Simon task human 2 reaction time 2 Anxiety 1 Attention 1 Attention and executive control 1 Co-representation 1 Cognitive control 1 Conflict tasks 1 Conflict, Psychological 1 Congruency proportion 1 Contingency learning 1 Cooperative Behavior 1 Eriksen task 1 Gratton effect 1 Individuality 1 Joint Simon effect 1 Psychomotor Performance 1 Social buffering 1 Threat 1 adult 1 anxiety 1 article 1 attention 1 case report 1 clinical article 1 cooperation 1 drug safety 1