Behavioral and Neural Correlates of Cognitive-Motor Interference during Multitasking in Young and Old Adults

Table 1

Statistical results of follow-up ROI analysis.

	Delta	Theta	Alpha	Beta
Main effects
Task; (i) CP vs. CCP	, ,; CCP > CP	, ,; CCP > CP	, ,; CP > CCP	, ,
Age group; (i) Young (Y) vs. old (O)	No age-related effect	, ,	, ,; O > Y	No age-related effect
Laterality; (i) Left (L) vs. right (R)	, ,	, ,	, ,; L > R	, ,; L > R
ACP—anterior (A) vs. central (C) vs. posterior (P)	, ,; A > C, A > P, C = P	, ,; A = C, A > P, C > P	, ,; A > C, A = P, C = P	, ,
2-Way interactions
	No age-related effect	, ,	, ,; CP-CCP differences: Y < O	No age-related effect
	No age-related effect	, ,	, ,	No age-related effect
	No age-related effect	, ,	, ,; A: O > Y; C: O > Y; P: O = Y	No age-related effect
	, ,	, ,; CP-CCP differences: R > L	, ,	, ,
	, ,; CCP-CP differences: A = C, P > A, P > C,	, ,; CCP-CP differences: A = C, A > P, C > P	, ,; CCP-CP differences: A = C, A > P, C > P	, ,
	, ,	, ,; L: A > C, A > P, C > P; R: A > C, A > P, C = P	, ,; L: A = C, A = P, C = P; R: A > C, A = P, P > C	, ,
3-Way interactions
	No age-related effect	, ,; CCP-CP differences: Young: L = R; Old: R > L	, ,	No age-related effect
	No age-related effect	, ,	, ,	No age-related effect
	No age-related effect	, ,; L-R differences: A: Y = O; C: Y = O; P: O > Y	, ,; L-R differences: A: O = Y; C: O > Y; P: O = Y	No age-related effect
	, ,; CCP-CP differences: L: A = C, A = P, C = P; R: A = C, P > A, P > C	, ,; CCP-CP differences: L: A = C, P > A, P > C; R: C > A, P > A, P > C	, ,	, ,
4-Way interactions
	No age-related effect	, ,	, ,; CCP-CP differences: L_A: Y < O; L_C: Y < O; L_P: Y = O; R_A: Y < O; R_C: Y < O; R_P: Y < O	No age-related effect