Table 8.

Neuroimaging studies investigating feasibility EEG signal acquisition during dynamic balance control tasks.

Name, year	Balance challenge	TM or OG	Modality	Mobile	Spatial information	Analysis
Gramann et al., 2010	Visual oddball response task while standing/walking	TM Fixed	EEG	No (tether)	Fz, Cz, Pz	Identification of P300 and N100 amplitudes due to visual oddball stimulus
Gwin et al., 2010	Visual oddball task while walking or running	TM Fixed	EEG	No	Mediofrontal clusters	Identification of gait-related artifact in ERP during running
Oliveira et al., 2016	Auditory oddball task seated and walking	TM Fixed	EEG	Yes	Fpz, F3, Fz, F4, C3, Cz, C4, P3, Pz, P4, O1, O2	Epoch rejection rate, pre-stimulus noise, signal-to-noise ratio, P300 amplitude
Lau et al., 2012	Response to target stimulus while walking	TM Fixed	EEG	No	Global	Identification of P300 response in walking condition
Castermans et al., 2014	Barefoot walking	TM Fixed	EEG	No	Cz, Oz, T8	Harmonics in accelerometer and EEG signals (delta, theta, alpha bands)
Snyder et al., 2015	Walking at set speeds with silicone cap	TM Fixed	EEG	No	Global	Movement artifact remains in EEG signal following ICA and dipole fitting
Kline et al., 2015	Walking at set speeds with silicone cap	TM Fixed	EEG	Yes	E12, A19, G11, C19, A1	Movement artifact varies with speed, subject and electrode location
Nathan and Contreras-Vidal, 2016	Walking at set speed	TM Fixed	EEG	Yes	Cz, Oz, T8	No large amplitude spikes in spectral signals corresponding stepping frequency (accelerometer signal)
						Strong wavelet coherence between delta band and accelerometer for higher walking speeds.

TM, treadmill; ERP, event related potential; ICA, Independent Component Analysis.