TABLE 2.

Mean and Standard Error for FRN Amplitude (µV) and Latency (msec) by Condition, Age, and Sex

	10–12 Years		13–14 Years		15–17 Years
	Amplitude	Latency	Amplitude	Latency	Amplitude	Latency
Reward	−4.91 (0.60)	294.60 (4.54)	−4.81 (1.00)	292.05 (6.51)	−2.13 (0.40)	284.77 (6.99)
Non-reward	−5.42 (0.64)	284.40 (4.15)	−5.68 (1.04)	279.75 (4.95)	−2.94 (0.31)	265.29 (5.22)
Ave. Feedback	−5.17 (0.59)	289.50 (3.79)	−5.24 (1.01)	285.90 (5.01)	−2.53 (0.32)	275.03 (5.12)
	Males		Females		Total Sample
	Amplitude	Latency	Amplitude	Latency	Amplitude	Latency
Reward	−5.17 (0.76)	298.89 (4.91)	−3.11 (0.41)	283.03 (4.39)	−4.17 (0.45)	291.22 (3.39)
Non-reward	−5.82 (0.82)	279.67 (4.25)	−3.89 (0.35)	276.08 (3.69)	−4.88 (0.47)	277.93 (2.82)
Ave. Feedback	−5.49 (0.77)	289.28 (3.88)	−3.50 (0.35)	279.55 (3.61)	−4.53 (0.44)	284.58 (2.69)

Note. Feedback-related negativity (FRN) amplitudes and latencies were derived from seven channels centered on Fz (see Figure 1).