EEG and Brain Connectivity: A Tutorial - Bio-Medical Instruments, Inc.
EEG and Brain Connectivity: A Tutorial - Bio-Medical Instruments, Inc.
EEG and Brain Connectivity: A Tutorial - Bio-Medical Instruments, Inc.
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when the 1 st derivative of the phase difference time series ≠ 0. Global phase<br />
reset is defined as > 90% of the channels exhibiting simultaneous phase reset<br />
<strong>and</strong> local phase reset is defined as 1 or a few channels exhibiting phase reset.<br />
The intervals of time between phase reset are periods of phase synchrony.<br />
Figure 12 shows examples of phase synchrony or phase locking when the first derivative<br />
of the phase difference time series ≈ 0 <strong>and</strong> phase reset when the 1 st derivative of the<br />
phase difference time series ≠ 0. Global phase reset is defined as > 90% of the channels<br />
exhibiting simultaneous phase reset <strong>and</strong> local phase reset is defined as 1 or a few<br />
channels exhibiting phase reset. The intervals of time between phase reset are periods of<br />
phase synchrony also called “phase locking”. Analyses were produced using the<br />
NeuroGuide Lexicor demo from the download at www.appliedneuroscience.com<br />
Figure 13 shows how to quantify phase reset by dissecting its two<br />
fundamental components, i.e., phase shift followed by phase locking.
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