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. Author manuscript; available in PMC: 2018 Mar 22.
Published in final edited form as: J Neurosci. 2018 Feb 9;38(11):2730–2744. doi: 10.1523/JNEUROSCI.2270-17.2017

Figure 7. Field-field and Spike-field Coherence.

Figure 7

(A) LFP-LFP phase coherence spectra for different inter-electrode distances for Monkeys 1 (top row) and 2 (bottom row). Inter-electrode distance ranges (d, in µm) are mentioned in B. The number of pairs (N) for each group is indicated on the top right corner. LFP-LFP phase coherence when both are taken from the same electrode (i.e., inter-electrode distance of zero) is trivially 1 at all frequencies and is therefore omitted. Mean LFP-EEG phase coherence is shown in black. (B) Average LFP-LFP phase coherence at the peak slow (32 and 36 Hz for the two monkeys) and fast gamma bands (62 and 56 Hz) as a function of inter-electrode distance. (C) Mean Spike-LFP coherence for spike-LFP pairs separated by different inter-electrode distances. Mean Spike-EEG coherence is shown in black.