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. Author manuscript; available in PMC: 2016 Jun 3.
Published in final edited form as: Brain Res. 2015 May 8;1616:45–57. doi: 10.1016/j.brainres.2015.04.052

Table 3.

Variables selected by elastic net (EN) as associated with SC–FC coupling, among all TLE patients. Variables selected by > 50% of EN cross-validation runs are shown. Measures of both functional (BC, LE, CC) and structural integrity (FA, MD) were assessed.

Region/metric Structural/functional VIP EN regression coefficient (mean, 95% confidence interval)
PCG L (CC) Functional 0.595 −0.1026 (−0.1969, −0.0272)
PCG R (BC) Functional 0.595 +0.0861 (0.0213, 0.1339)
HIP L (BC) Functional 0.586 +0.0809 (0.0362, 0.1024)
PCG L (LE) Functional 0.586 −0.0663 (−0.1219, −0.0162)
HIP R (CC) Functional 0.576 −0.1045 (−0.1612, −0.0168)
HIP R (FA) Structural 0.576 −0.0731 (−0.1083, −0.0163)
PCG R (LE) Functional 0.561 −0.0303 (−0.0583, −0.0023)
FIOG L (FA) Structural 0.523 −0.1292 (−0.2591, −0.0104)

Abbreviations: VIP, variable inclusion probability; EN, elastic net; PCG, posterior cingulate gyrus; HIP, hippocampus; FIOG, frontal inferior orbital gyrus; L, left; R, right; CC, clustering coefficient; BC, betweenness centrality; LE, local efficiency; FA, fractional anisotropy.