Flexibility in Choosing Decision Policies in Gathering Discrete Evidence Over Time

So, there are separate datasets for them. In both tasks, subjects completed four blocks of 168 double and single-pulse trials.

In almost 80% of all trials, the stimuli were presented to the subject in two discrete pulses, with the pulses being separated by a temporal gap or an inter-pulse interval (IPI). The duration of each IPI was chosen from a set of four values (0, 120, 360, 480, 1080 ms). Three stimulus strength levels were employed for each pulse of the double-pulse trials, 25%, 30% and 35% for the visual task and 200%, 150% and 100% noise-to-signal ratios for the auditory task.