A, B, Task conditions and example of saccade and perception responses. A, In the gap condition (left), the FP turned off (red dashed line) before the peripheral TG turned on (green dashed line). In the overlap condition (right), the TG turned on before the FP turned off. B, Example saccades from gap (left) and overlap (right) trials of subject six (S6) in the SP task. Button press (orange triangle) shows when the subject indicated his perception.