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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 2. DAT blockade increases novelty seeking behavior and the initial value of novel options.

Figure 2

A) Mean fraction of times each option was chosen. B) Mean initial value (vi0) of novel options and the mean value of the best alternative when the novel option was introduced, as estimated by the RL model for drug and saline sessions. C and D) The inverse temperature parameter β and choice entropy H—which summarize the overall balance in explore/exploit behavior—did not differ between the drug and saline conditions.