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Fig. 4 | BMC Neuroscience

Fig. 4

From: Face-induced gamma oscillations and event-related potentials in patients with epilepsy: an intracranial EEG study

Fig. 4

Phase-amplitude coupling and phase-slope index. A1–A4 PAC between AM and FU in patient 6, right hemisphere (Group O). Enhanced PAC (Z-score ≥ 2) was observed between FU theta/alpha phase and AM low gamma frequency amplitude when viewing faces. No enhanced PAC was observed when viewing mosaics. B Overlap between PSI and the area of enhanced PAC. Red area indicates modulation directionality from FU theta phase towards AM low gamma amplitude. Blue area indicates modulation directionality from AM low gamma amplitude towards FU alpha phase. C1–4 PAC between HI and PH in patient 9, right hemisphere (Group M). Enhanced PAC (Z-score ≥ 2) was calculated between PH alpha/beta phase and HI high gamma amplitude when viewing faces. No enhanced PAC was observed when viewing mosaics. D Overlap between PSI and the area of enhanced PAC. Red area indicates modulation directionality from PH alpha/beta phase towards HI high gamma amplitude. Blue areas indicate modulation directionality from HI high gamma amplitude towards PH alpha phase

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BMC Neuroscience

ISSN: 1471-2202

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