Table 3.

Waking Electroencephalography (EEG) Specifications

		EEG segment length analyzed per exposure condition
Authors	Eyes open/closed	Prior to exposure	During exposure	After exposure	Vigilance control during EEG
Röschke and Mann [1997]	Closed	NA	3.4 min	NA	−
Hietanen et al. [2000]	Closed	NA	1 min	NA	+
Croft et al. [2002]	Open	NA	4 × 30–90 s	NA	−
D’Costa et al. [2003]	Closed	NA	25 min	NA	−
Curcio et al. [2005]	Closed	NA	7 min b	7 min b	−
Perentos et al. [2007]	Closed	7.5 min	NA	7.5 min	−
Regel et al. [2007]	Both	6 min c	NA	3 × 6 min c	+
Croft et al. [2008]	Open	NA	10 min	10 min	−
Hinrikus et al. [2008a]	Closed	10 × 1 min	10 × 1 min	NA	−
Hinrikus et al. [2008b]	Closed	5 × 1 min	5 × 1 min	NA	−
Kleinlogel et al. [2008]	Closed d	4 min	4 min + 2 min	6 min	+
Croft et al. [2010]	Both e	5 min c	10 min + 2 × 5 min c	5 min c	−
Hinrikus et al. [2011]	Closed	(5 or 10 b ) × 1 min	(5 or 10 b ) × 1 min	NA	−
Loughran et al. [2013]	Both g	6 min c	NA	3 × 6 min c	+
Perentos et al. [2013]	Open	5 min	4 × 5 min	5 min	−
Suhhova et al. [2013]	Closed	5 × 1 min	5 × 1 min	NA	−
Trunk et al. [2013]	Open g	10 min	NA	5 × 2 min	−
Ghosn et al. [2015]	Both f	12 min c	18 min c	12 min c	−
Curcio et al. [2015]	Closed	45 min	45 min	45 min	+
Roggeveen et al. [2015]	Open g	NA	(2 + 4 a ) × 15 min	NA	−
Zentai et al. [2015]	Open g	10 min	10 min	5 × 2 min	−
Yang et al. [2017]	Closed	10 min	3 × 10 min	10 min	+

EEG = electroencephalography; NA = not applicable; + = applies on the basis of the information reported; − = Information was not reported.

^aTime indicated refers to verum and sham exposure applied within the same experimental session.

^bTime indicated refers to different sub groups.

^cTime indicated includes equally lasting periods of eyes‐open and eyes‐closed.

^dRepeated reactions to a tone were demanded during EEG.

^eOnly open reported.

^fOnly closed reported.

^gParticipants watched a documentary clip during EEG.