Table 4.

Means and Standard Deviations for Intertrial Coherence Prototypical Effects

Frequency by Time 4.5-8 Hz × 200-400 ms	10-12 yrs.	13-14 yrs.	15-17 yrs.
Win	0.407 (0.144)	0.370 (0.128)	0.323 (0.135)
No win	0.429 (0.143)	0.490 (0.149)	0.414 (0.184)
Ave. Feedback	0.4178 (0.121)	0.4301 (0.110)	0.3685 (0.142)
4-6 Hz × 150 to 250 ms
Win	0.5846 (0.206)	0.5388 (0.213)	0.4559 (0.213)
No win	0.6114 (0.226)	0.6195 (0.215)	0.44 (0.187)
Ave. Feedback	0.598 (0.190)	0.5792 (0.191)	0.448 (0.182)
4-5 Hz × 350-450 ms
Win	0.2595 (0.098)	0.3229 (0.142)	0.2813 (0.192)
No win	0.2614 (0.113)	0.4373 (0.255)	0.3546 (0.219)
Ave. Feedback	0.2605 (0.086)	0.3801 (0.165)	0.3179 (0.188)