Table 2 Source coherence between the independent components shown for the selected subject in fig 5.

	Thalamus	Insula	PCC	MCC	ACC
Insula	75, β
PCC	75, β	150, γ
MCC	100, β	350, γ	120, β
ACC	200, γ	150, β	100, α	150, γ
Sensory	60, γ	50, β	130, γ	150, β	100, γ

Cross correlation was performed to identify the degree of phase synchronisation between the components. The latency (ms) of the first synchronous correlation with a correlation coefficient above 0.45 is shown together with the dominant frequency content of the first synchronic activity.

ACC, MCC, and PCC, anterior, middle, and posterior cingulate cortex; Sensory, sensory cortex

α = 8–14 Hz;β = 14–25 Hz;γ = 25–50 Hz.