Table 4.

Contents of _events.tsv file for the MEG visual task data.

MEG task-visual
type	origin	interpretation
Pause	presentation log file	onset of a pause between blocks
Picture	presentation log file	-onset of fixation cross on the screen with intended duration. -onset of question with identity of the question, matching the question in the stimuli presentation code. -onset of mini-block condition -onset of a blank screen -onset of individual word, including the word identity, the corresponding trigger value, and the intended length in milliseconds -onset of inter-stimulus interval
Response	presentation log file	button press by subject
Resume	presentation log file	experiment resumes after pause
UPPT001	MEG trigger channel	event logged by digital trigger channel. Integer value reflects the nature of the event (see Table 7)
UPPT002	MEG response channel	button press by subject
frontpanel trigger	MEG trigger channel	irrelevant historic remnant
trial	MEG data header	irrelevant historic remnant