Process / pipelineLocal synchronization analysis
Regional Homogeneity
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.
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Sources
- 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. DOI: 10.1016/j.braindev.2003.09.029 ↗
- Yang, Y., Raine, A., Han, C. B., et al. (2007). Localizing brain abnormalities in ADHD: a meta-analysis of neuroimaging studies. Neuroscience & Biobehavioral Reviews, 31(4), 508–515. DOI: 10.1016/j.neubiorev.2007.01.001 ↗