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Table 2: Rater comparisons: no versus any fMRI experience^{^a}
No fMRI Experience Any fMRI Experience P Value
Distance from foot motor centroid 20 ± 13 mm 13 ± 6 mm 2 × 10^{−6^b}
Arrow in motor gyrus 47% (118/252) 67% (160/238) 7 × 10^{−5^b}
Tumor in foot motor cortex 73% (183/252) 81% (192/238) .121
Tumor in motor gyrus 66% (167/252) 76% (181/238) .06
↵a Numbers in parentheses indicate the number of correct responses over the total number of responses (eg, in the no fMRI group, there were 18 raters for each of the 14 cases, making 252 total responses).
↵b Significant (P ≤ .05).

	No fMRI Experience	Any fMRI Experience	P Value
Distance from foot motor centroid	20 ± 13 mm	13 ± 6 mm	2 × 10^{−6^b}
Arrow in motor gyrus	47% (118/252)	67% (160/238)	7 × 10^{−5^b}
Tumor in foot motor cortex	73% (183/252)	81% (192/238)	.121
Tumor in motor gyrus	66% (167/252)	76% (181/238)	.06