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. Author manuscript; available in PMC: 2015 Jun 18.
Published in final edited form as: Neuron. 2014 May 29;82(6):1357–1366. doi: 10.1016/j.neuron.2014.04.032

Figure 2.

Figure 2

Behavioral results. A. Likelihood of choosing risky offer instead of a safe one as a function of risky offer expected value. Data are separated for high value (green) and medium value (blue) gambles. Fits are made with a lowess smoothing function. Expected values are calculated in units of ordinal expected value (see Methods). B. Effects of seven trial variables on choice (offer 1 vs. 2) using a logistic GLM. Tested variables are: (1) the reward and (2) probability for offer 1, the (3) reward and (4) probability for offer 2, (5) the outcome of the most recent trial (win or choose safe = 1, loss = 0), (6) the previous choice (first = 1, second = 0), and (7) the order of presentation of offers (left first = 1, right first = 0). Error bars in all cases are smaller than the border of the bar, and are therefore not shown.