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. Author manuscript; available in PMC: 2018 Mar 21.
Published in final edited form as: Behav Neurosci. 2014 Jun 9;128(5):556–566. doi: 10.1037/a0037128

Figure 1. Task design.

Figure 1

A) Sequence of events on a single trial. Following an initial fixation period, the choice options were presented and the animals made a saccade to one of the options to indicate their choice. A juice reward was then delivered probabilistically based on the assigned reward probability of the chosen cue. B) Novelty manipulation. A set of options was repeatedly presented for 10–30 trials, after which one of the existing options was replaced with a novel option. The novel option was randomly assigned its own reward probability. Novel options were introduced 32 times in a block of 650 trials. Trial Ni,j refers to the number of times, j, a particular set of choice options, i, was seen.