TABLE 1.

Operational definitions of the attentional effects and interactions.

	Testing condition	Minus	Reference condition
Attentional effects
Alerting	No cue		Double cue
Disengaging	Invalid cue		Double cue
Orienting	Double cue		Valid cue
Validity	Invalid cue		Valid cue
Conflict	Incongruent cue		Congruent cue
Interactions
Alerting by conflict	No cue, incongruent minus no cue, congruent		Double cue, incongruent minus double cue, congruent
Disengaging by conflict	Invalid cue, incongruent minus invalid cue, congruent		Double cue, incongruent minus double cue, congruent
Orienting by conflict	Double cue, incongruent minus double cue, congruent		Valid cue, incongruent minus valid cue, congruent
Validity by conflict	Invalid cue, incongruent minus invalid cue, congruent		Valid cue, incongruent minus valid cue, congruent

The conflict effect reflects the function of executive control.