Table 3. Time of presence of each cluster (sec).

Group	Duration of cluster (sec)
	Beginning of the study				End of the study
	LF	RF	P	F	LF	RF	P	F
Control group	6.11	3.24	2.65	-	6.93	4.79	-	0.29
ASD + ABA group	3.72	2.81	5.47	-	-	3.35	5.81	2.84
ASD group	5.10	5.17	1.72	-	6.06	5.39	0.56	-