Table 3.

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

MEG task-auditory
type	origin	interpretation
Nothing	presentation log file	-onset time of first word -onset of ‘target’ word -end of wav-file
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
Quit	presentation log file	final event, when experimenter pressed the ‘quit’-button on the presentation PC.
Response	presentation log file	button press by subject
Resume	presentation log file	experiment resumes after pause
Sound	presentation log file	start of an audio wav-file. The value contains the identity of the wav-file used. This corresponds to the files in the stimuli folder of the data collection
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