Categorisation of Mobile EEG: A Researcher’s Perspective

Table 2

Device mobility scores.

Device mobility score ()	Descriptor
0	All equipment off-body mounted and participant tethered via cabling to EEG acquisition equipment.
1	Waist-mounted (or back-mounted) with additional equipment located in a rucksack.
2	All equipment is waist-mounted.
3	Head-mounted EEG system, with additional equipment located in a rucksack or off-body.
4	Head-mounted and requires smartphone/tablet.
5	Head-mounted and does not require any additional equipment.

Note that the level of participant mobility is not taken into account when considering device mobility. For example, if a study used a head-mounted system that did not require a PC or smartphone and the participant was instructed by the researcher to remain as still as possible, the device would be scored as 5.