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. 2013 Aug 6;7:128. doi: 10.3389/fncir.2013.00128

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Copyright © 2013 Han, Lee, Kim and Jung.

This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) or licensor are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

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Reward-related neural activity. (A) A unit that changed its firing rate during the reward period according to goal location. Trials were divided according to the chosen goal (red, left; blue, right). Only correct trials are shown. (B) A unit that changed its firing rate according to trial outcome. Trials were divided according to trial outcome (red, error; blue, correct). A spike raster plot (top) and a spike density function (σ = 100 ms) are shown for each example. Time 0 indicates the onset of the reward period.