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. 2016 Nov 8;14(11):e1002576. doi: 10.1371/journal.pbio.1002576

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© 2016 Wilson et al

This is an open access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

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Fig 1 — Monkeys perform the PST efficiently prior to MPTP treatment, demonstrating understanding of the task and cognitive control. A. Problem-solving task PST4, with task epochs titled from left to right. Monkeys sought, by trial and error using feedback, which of the four grey targets was rewarded, and then repeated this correct choice three times to complete a problem. Delay and feedback epochs for neurophysiological data are highlighted B. Proportion of non-optimal choices (repeated incorrect choices in SEA, errors in REP). Monkeys are performing the task well, and the majority of non-optimal choices were on high-control trials. C. Proportion of optimal problem transitions. Monkeys were near optimal, showing clear use of the STC. D. Reaction times on low and high control trials. Mk: Monkey (Monkey R and Monkey S). L: Low control trials; H: High control trials. Raw data for this and all following figures are freely available to download via the link in the Data Availability Statement. The folder in this download contains a readme file describing the contents.