Table 2. Weighting coefficients computed for the first five Principal Components with respect to the original traces recorded in each adolescent and adult with Down syndrome.

Adolescents	#1	#2	#3	#4	#5	#6	#7	#8	#9	#10
PC1	0.23	0.04	0.16	0.71	0.66	0.11	0.50	0.27	0.50	0.51
PC2	0.40	0.42	0.34	0.21	0.23	0.61	0.15	0.50	0.22	0.46
PC3	0.11	0.25	0.48	0.11	0.18	0.27	0.09	0.14	0.13	0.26
PC4	0.23	0.11	0.20	0.38	0.38	0.24	0.72	0.63	0.60	0.31
PC5	0.09	0.65	0.45	0.17	0.24	0.28	0.12	0.22	0.22	0.26

PC, principal component. The absolute values of r>0.4 are in bold.