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Figure 2: Scatter plots displaying the relationship between neuropsychological test performance and fractional anisotropy (FA) or mean diffusivity (MD) of selected fiber tracts in patients with MRI-negative temporal lobe epilepsy. (a) Scatter plot showing that MD of fibers and neuropsychological performance are negatively correlated. (b-h) Scatter plots showing that FA of fibers and neuropsychological performance are positively correlated. Only results with statistical significance (P < 0.05) are shown in the scatter plots. Horizontal axis represents FA/MD of fibers. Corresponding fiber tracts include the fornix (FORX) and uncinate fasciculus (UF). Vertical axis represents the neuropsychological scores. Corresponding neuropsychological indices include confrontational naming (CN), verbal fluency (VF), verbal delayed memory (VDM), nonverbal delayed memory (NVDM), and immediate memory (IM). r, correlation coefficient.

Figure 2: Scatter plots displaying the relationship between neuropsychological test performance and fractional anisotropy (FA) or mean diffusivity (MD) of selected fiber tracts in patients with MRI-negative temporal lobe epilepsy. (a) Scatter plot showing that MD of fibers and neuropsychological performance are negatively correlated. (b-h) Scatter plots showing that FA of fibers and neuropsychological performance are positively correlated. Only results with statistical significance (<b>P</b> < 0.05) are shown in the scatter plots. Horizontal axis represents FA/MD of fibers. Corresponding fiber tracts include the fornix (FORX) and uncinate fasciculus (UF). Vertical axis represents the neuropsychological scores. Corresponding neuropsychological indices include confrontational naming (CN), verbal fluency (VF), verbal delayed memory (VDM), nonverbal delayed memory (NVDM), and immediate memory (IM). <i>r</i>, correlation coefficient.