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how is the peak frequency affected by SNR?

February 05, 2020

EEG alpha peak frequency varies as a function of alpha power for some subjects, as shown by below spectra computed for segments sorted by power in alpha band. I wonder how this could influence gradients in peak frequency along posterior-anterior axis. 🤔 https://t.co/uHqUf7mOw8 pic.twitter.com/QRVA4l1wdK

— Natalie Schaworonkow (@nschawor) February 6, 2020

Tags: eeg, peak-frequency, snr

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beta as bursts / beta as a rhythm

June 06, 2024

"beta-activity as bursts", I am def 💯 OK with that.

but imho the pendulum has swung too far in the direction that all beta activity equals close to 1-2 cycle bursts. so just to illustrate diversity, here is some more sustained beta-activity, resting-state EEG.
〰️🙂〰️ pic.twitter.com/s9SnbdQy6j

— Natalie Schaworonkow (@nschawor) June 6, 2024

impact of crosstalk in MEG/EEG

May 16, 2024

MEG/EEG: "we use source reconstruction" – all problems solved?

plotted here: crosstalk – possible contribution from other locations to reconstructed activity @ red dot. no strong activity at these locations: 👍 otherwise: 🫠
➡️crosstalk can be from distant locations pic.twitter.com/FetHqq5LoZ

— Natalie Schaworonkow (@nschawor) May 16, 2024

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