PLV analysis with time data

Discussions
1

Hi all,

I have been analyzing MEG data (Somatosensory-evoked magnetic fields) using phase-locking value (PLV) with time data in a source level, and then I am going to investigate a relationship between PLV (primary and secondary somatosensory cortices) and somatosensory performance. To extract the dynamic response, do you think using baseline-to-peak for PLV is a proper way? I attached the figure.

PLV.tif (521.1 KB)

Best regards,
Ryoki Sasaki

3

Hello Ryoki,

you may want to standardize the PLV values with a z-score transform, centered and scaled with respect to the baseline.