Measuring coherence at the source level

Massih Hamidi mhamidi at WISC.EDU
Fri Jan 23 21:12:08 CET 2009


  I have used the beamformer technique with fieldtrip to produce source
estimates of oscillatory activity in my EEG data.  I've found two
interesting sources and I'd like to know if there is any coherence (phase
relationship) between the two.  To test this, I would need to do phase
coherence analyses at the scalp level between electrodes.  Is there any way
I could work backwards from the source estimate to the scalp electrode (i.e.
which electrode describes each of the two sources best)?   Or is there a
better way to look at coherence between two brain regions?  Thanks.

Massih Hamidi
Medical Scientist Training Program
Neuroscience Training Program
University of Wisconsin - Madison
1202 West Johnson St., Madison, WI 53706
608-265-3888 | mhamidi at

The aim of this list is to facilitate the discussion between users of the FieldTrip  toolbox, to share experiences and to discuss new ideas for MEG and EEG analysis. See also and
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