Figure 1.

Stimuli. In both experiments, stimuli were images of 32 common objects. Each object was a unique conjunction of one of four color features and one of eight object features. Color features were blue, green, red, and yellow. Object features were backpacks, cups, fish, flowers, hats, insects, shoes, fruit (Experiment 1 only), and birds (Experiment 2 only). See also Materials and Methods.