. Author manuscript; available in PMC: 2012 Dec 10.

Published in final edited form as: Dev Psychopathol. 2008 Summer;20(3):861–880. doi: 10.1017/S0954579408000412

Table 5.

Mean EEG power and coherence at the 42-month assessment for selected frequency bands and electrode combinations for the early-placed FCG subgroup (placed before 18.5 months) and the comparison IG subgroup.

	Early- placed FCG (n=9)		Early-entry IG (n=11)
Power
Alpha AP	3.57 (.33)	n.s	3.76 (.39)
Alpha RP	.326 (.048)	^*	.379 (.066)
Beta RP	.161 (.031)	n.s	.144 (.020)
Coherence
Alpha F-C	.494 (.077)	^*	.419 (.079)
Alpha F-T	.389 (.093)	^*	.272 (.107)
Beta F-C	.539 (.067)	⁺	.473 (.097)

The results of significance tests from independent-samples t-tests are also shown

p <=.05;

⁺

p<.10;

n.s p>.10).