[FieldTrip] Negative values of debiased wPLI
raminazodiaval at gmail.com
Mon Jan 20 19:58:53 CET 2014
I a bit confused about result which I got from debiased wPLI, because it
has the negative value inside the 'wpli_debiasedspctrm'. As I searched for
that I found this strange explanation,
"...We therefore estimated the squared wPLI by using the debiased wPLI
estimator (Vinck et al., 2011), ranging from zero *(negative values can
incidentally occur because of limited sampling)* to one (maximum
Beta coherence within human ventromedial prefrontal cortex precedes
value choices, N. Lipsman et al, NeuroImage 85 (2014) 769–778.
Could someone explain me, what it means and what should I do with these
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