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| Định vị nguồn MEG× | Giá trị Khóa Pha× | |
|---|---|---|
| Lĩnh vực | Chẩn đoán hình ảnh thần kinh | Chẩn đoán hình ảnh thần kinh |
| Họ | Process / pipeline | Process / pipeline |
| Năm ra đời≠ | 1972 | 1999 |
| Người khởi xướng≠ | David Cohen | Jean-Philippe Lachaux |
| Loại≠ | MEG neuroimaging analysis pipeline | EEG/MEG functional connectivity analysis |
| Công trình gốc≠ | Hauk, O., Friston, K. J., & Leff, A. (2019). Functional neuroimaging of language: understanding the complex relationships between localization and function. Journal of Neurolinguistics, 50, 236–250. link ↗ | Lachaux, J. P., Rodriguez, E., Martinerie, J., & Varela, F. J. (1999). Measuring phase synchrony in brain signals. Human Brain Mapping, 8(4), 194–208. DOI ↗ |
| Tên gọi khác | MEG localization, magnetic source imaging, MSI | PLV, phase synchronization, phase coupling |
| Liên quan | 3 | 3 |
| Tóm tắt≠ | Magnetoencephalography (MEG) source localization is the inverse problem of estimating where in the brain neural currents originate from magnetic field measurements at the scalp. Introduced by David Cohen in 1972, MEG offers superior temporal resolution (milliseconds) and spatial specificity compared to EEG, as magnetic fields are less distorted by tissue conductivity, enabling researchers to pinpoint neural activity with high precision. | Phase-Locking Value (PLV) is a frequency-domain measure of neural synchronization that quantifies the stability of phase difference between two signals. Introduced by Lachaux and colleagues in 1999, PLV detects phase coupling between brain regions independent of signal amplitude, enabling researchers to characterize functional connectivity from EEG and MEG recordings. |
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