. Author manuscript; available in PMC: 2012 Sep 1.

Published in final edited form as: J Cogn Neurosci. 2011 Jan 24;23(9):2387–2399. doi: 10.1162/jocn.2011.21615

Table 1. Demographics of Participant Population.

	Year 1	Year 2	Year 3	Year 4
Total sample size	53 (M: 24, F: 29)	44 (M: 23, F: 21)	37 (M: 17, F: 19)	29 (M: 16, F: 13)
Usable fMRI data sets	33 (62%) M: 16, F: 17	35 (79%) M: 17, F: 18	28 (76%) M: 12, F: 16	24 (83%) M: 11, F: 13
Age range	[7.1; 12.15]	[8; 12.9]	[9.1; 13.8]	[10; 14.8]
FSIQ: mean (SD) [range]	110.8 (13.2) [85; 145]
Basic reading (WJ-III)	106 (13.2) [77; 134]	105.5 (13.5) [80; 135]	105.5 (12.2) [84; 132]	107.3 (11.9) [84; 129]

M = male, F = female, FSIQ = full-scale intelligence quotient (Wechsler Intelligence Scale for Children-IV, Wechsler, 2003), WJ-III = Woodcock Johnson III–Tests of Achievement (Woodcock, 1987).