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Table 1: Demographic data for control and AgCC cohorts and the 2 subgroups of the AgCC cohort: subjects with complete callosal agenesis (complete AgCC) and those with AgCC unaccompanied by cortical malformations (isolated AgCC)
Controls All AgCC Complete AgCC Isolated AgCC
Cohort Size 12 12 8 (of 12) 9 (of 12)
Age (yr) 30 ± 10 37 ± 19 32 ± 18 41 ± 19
Sex 
    Male 8 8 5 6
    Female 4 4 3 3
Handedness 
    Right 6 5 4 5
    Left 6 6 4 3
    Equal 0 1 0 1
Note:—AgCC indicates agenesis of the corpus callosum.

	Controls	All AgCC	Complete AgCC	Isolated AgCC
Cohort Size	12	12	8 (of 12)	9 (of 12)
Age (yr)	30 ± 10	37 ± 19	32 ± 18	41 ± 19
Sex
Male	8	8	5	6
Female	4	4	3	3
Handedness
Right	6	5	4	5
Left	6	6	4	3
Equal	0	1	0	1