Figure 1

Graphical representation of trials and experimental conditions: Unrelated Mappings condition (UM) comprised a compatible stimulus preceded by a central stimulus (n-C trials) or an incompatible stimulus preceded by a central stimulus (n-I trials); Same Mappings condition (SM) comprised a compatible stimulus preceded by another compatible stimulus (c-C trials) or an incompatible stimulus preceded by another incompatible stimulus (i-I trial); and the Opposite Mappings condition (OM) comprised an incompatible stimulus preceded by a compatible stimulus (c-I trials) or a compatible stimulus preceded by an incompatible stimulus (i-C).
The trials used and the corresponding experimental conditions are highlighted in bold type.