Each folder contains participants' data, including 1) psychtoolbox log files. es: S0X_(block)_imagery_(data_of_acquisition).mat the variable final_design contains the features of each trial 2) EMG raw_data: raw EMG recordings from each participant ex: S0X_pilot_(block)_TMSSession_(date)_(hour)_(segment).mat each file contains variables SR (sampling rate) and y (data + matadata) y(3,:) corresponds to ECU recordings y(5,:) corresponds to FDS recordings EMG raw data within participants folders might be have been split after 1GB acquisition. These files have a different segment number (see S04). These split files are concatenated within the pilot analysis function.