**Definition:** Topological analysis refers to processing and analytical approaches that leverage the field of mathematical topology; i.e. the study of bicontinuous deformations. In fNIRS, the so-called topographical plots exploit the natural topology of the sampling lattice yielded by the channel locations. Other uses in fNIRS thus far included dimensionality reduction efforts, segregational and intergenerational analysis.Definition: Topological analysis refers to processing and analytical approaches that leverage the field of mathematical topology; i.e. the study of bicontinuous deformations. In fNIRS, the so-called topographical plots exploit the natural topology of the sampling lattice yielded by the channel locations. Other uses in fNIRS thus far included dimensionality reduction efforts, segregational and intergenerational analysis.

**Alternative definition:**

**Synonym: **Network-based Analysis, Connectivity Analysis

**Related terms:**