A Theoretical Investigation of the Relationship between Structural Equation Modeling and Partial Correlation in Functional MRI Effective Connectivity

Figure 2

Structures that render either constraint (𝐶₁) or (𝐶₂) invalid for the pair 𝑖-𝑗, thereby leading to Υ_𝑖𝑗≠0 or, equivalently, Π_𝑖𝑗≠0.