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. 2014 Dec 24;112(2):E214–E219. doi: 10.1073/pnas.1410130112

Fig. 5.

Fig. 5.

Late-delay activity and choice response in VH (A), VHI (B), and HH (C) tasks. The neuron recorded in the three tasks shows significant late-delay differential activity in the VH (P < 0.001) and HH (P < 0.001) tasks, but not in the VHI task (P > 0.3). Note that the late-delay period is indicated by the red box in the histogram. (D) The difference in firing rate (delta-spike per s) of the late-delay period between preferred and nonpreferred trials from nine neurons in the three tasks. The difference in both VH and HH tasks is significantly larger than that in the VHI (P < 0.01) task. There is no significant difference (ns) in firing rate between the VH and HH (P > 0.1) tasks.