Table 2. Calculation time (in minutes) taken to generate probabilistic boundary maps in three cases by the standard and new boundary mapping methods.

	Standard Analysis						New Analysis
	Whole Brain		Gray Matter		Contralateral
	Step 1	Step 2	Step 1	Step 2	Step 1	Step 2	Step 1	Step 2
Case 1	2144.8	1.7	813.8	1.8	23.7	1.7	15.0	1.7
Case 2	2085.2	1.7	872.0	1.6	26.5	1.8	14.4	1.7
Case 3	2046.8	1.7	838.0	1.7	22.0	1.8	14.5	1.6
Average	2092.2	1.7	841.3	1.7	24.1	1.7	14.6	1.7