Table 2. Summary of extracted features.

#	Modality	Family	Input	Feature	Variants	Spatial selection
1	MEG	sensor mixed	ERF	latency	aud, vis, audvis	max channel
2	…	…	PSDα	peak		max channel
3	…	…	PSD	1/f slope	low, $\gamma$	max channel in ROI
4	…	source activity	signal	power	low,$\delta$,$\theta$,$\alpha$,${\beta }_{1,2}$, ${\gamma }_{1,2,3}$	MNE, 448 ROIs
5	…	…	envelope	…	…	…
6	…	source connectivity	signal	covariance	…	…
7	…	…	envelope	…	…	…
8	…	…	env.	corr.	…	…
9	…	…	env.	corr. ortho.	…	…
10	fMRI	connectivity	time-series	correlation	…	256 ROIs
11	MRI	anatomy	volume	cortical thickness		5124 vertices
12	…	…	surface	cortical surface area		5124 vertices
13	…	…	volume	subcortical volumes		66 ROIs

Note. ERF = event related field, PSD = power spectral density, MNE = Minimum Norm-Estimates, ROI = region of interest, corr. = correlation, ortho. = orthogonalized.