Vertaile menetelmiä
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| Alueellinen homogeenisuus× | Dynaaminen funktionaalinen konnektiivisuus× | |
|---|---|---|
| Tieteenala | Aivokuvantaminen | Aivokuvantaminen |
| Menetelmäperhe | Process / pipeline | Process / pipeline |
| Syntyvuosi≠ | 2004 | 2013 |
| Kehittäjä≠ | Yong-He Zang | Ryan M. Hutchison |
| Tyyppi≠ | Resting-state fMRI homogeneity analysis | Resting-state fMRI connectivity pipeline |
| Alkuperäislähde≠ | Zang, Y. F., He, Y., Zhu, C. Z., et al. (2004). Altered baseline brain activity in children with ADHD revealed by resting-state functional MRI. Brain and Development, 26(7), 429–439. link ↗ | Hutchison, R. M., Womelsdorf, T., Allen, E. A., et al. (2013). Dynamic functional connectivity: promise, problems, and perspectives. NeuroImage, 80, 360–378. link ↗ |
| Rinnakkaisnimet≠ | ReHo, regional synchronization | dFC, time-varying connectivity, sliding window connectivity |
| Liittyvät | 3 | 3 |
| Tiivistelmä≠ | Regional Homogeneity (ReHo) is a measure of synchronization between a voxel and its spatial neighbors in resting-state fMRI. Introduced by Zang and colleagues in 2004, ReHo quantifies local within-cluster activity coherence, reflecting the degree to which brain regions exhibit synchronized spontaneous activity at rest. | Dynamic Functional Connectivity (dFC) is an analytical framework that tracks changes in functional connectivity between brain regions over time, rather than averaging connectivity across an entire scanning session. Systematized by Hutchison and colleagues in 2013, dFC reveals how brain networks reorganize moment-to-moment, providing insights into transient brain states and cognitive flexibility. |
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