Effects of free choice and outcome valence on the sense of agency: evidence from measures of intentional binding and feelings of control

Everyday actions can be characterized by whether they are freely chosen or commanded by external stimuli, and whether they produce pleasant or unpleasant outcomes. To assess how these aspects of actions affect the sense of agency, we asked participants to perform freely selected or instructed key presses which could produce pleasant or unpleasant chords. We obtained estimates of the key press–chord intervals and ratings of the feeling of …