Table 1.

Summary of effects

Effect	Dependent variable	Time window (ms)	F-value	p-value	direction
Feedback valence
	ERP	300–400	17.18^*	<.001^*	win>loss
	ERP	400–600	3.66	.075	win>loss
Feedback valence: theta
	Power	300–400	28.65^*	<.001^*	loss>win
	Power	400–600	36.66^*	<.001^*	loss>win
	Phase	300–400	8.84^*	.009^*	loss>win
	Phase	400–600	6.51^*	.021^*	loss>win
Feedback valence: gamma
	Power	300–400	4.91^*	.042^*	win>loss
	Power	400–600
	Phase	300–400
	Phase	400–600
Reward probability: wins
	ERP	300–400	22.28^*	<.001^*	25>50>75
	ERP	400–600	21.77^*	<.001^*	25>50>75
	Power	300–400	6.99^*	.007^*	25>50>75
	Power	400–600	6.52^*	.006^*	25>50>75
	Phase	300–400	22.89^*	<.001^*	25>50>75
	Phase	400–600	24.86^*	<.001^*	25>50>75
Reward probability: losses
	ERP	300–400
	ERP	400–600
	Power	300–400
	Power	400–600	3.53^*	.043^*	50>75>25
	Phase	300–400
	Phase	400–600
Learning: wins
	ERP	300–400	3.84^*	.040^*^Ω	25₃>25₁; 75₁>73₃
	ERP	400–600	8.45^*	.003^*	25₃>25₁; 75₁>73₃
	Power (theta)	300–400
	Power (theta)	400–600
	Phase (theta)	300–400
	Phase (theta)	400–600
Learning: losses
	ERP	300–400
	ERP	400–600
	Power (theta)	300–400
	Power (theta)	400–600
	Phase (theta)	300–400	2.06	.152
	Phase (theta)	400–600	2.02	.155

Notes: indicates statistically significant effects. Subscripts indicate position within block (first third or last third). See text for degrees of freedom.

^Ω

Results from all ERP analyses in the 300–400 ms window were also significant when using peak-to-peak measurements except this one. Only statistics from Fz are reported. Entries with an F-value less than 2 are omitted.