Figure 1.

Schematic illustration of the capture-probe paradigm used in Experiment 1. On search trials, participants search for a target shape (e.g., green diamond) in a display of heterogeneous shapes and respond (via a speeded button press) to indicate whether a small black dot is on the left or right side of the target. On infrequent probe trials, an array of probe letters is superimposed on the search array for a brief period. Participants then report (via unspeeded mouse click) as many letters as they can recall. No response is made to the search array on probe trials.