ms). The accuracy of the response was conveyed through audio-visual feedback, followed by a 500 ms fixation period. In total, the MEG recording lasted 12–13 min and included 64 trials with visual grating stimuli. Prior to MEG acquisition, the nature of the task was fully explained to participants and several practice trials were performed. Accuracy rates were above 95% for all participants indicating that the task was engaging and successfully understood.
