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. 2015 Mar 5;10(3):e0119152. doi: 10.1371/journal.pone.0119152

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© 2015 Mamad 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 properly credited.

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Fig 6 — (A-C) A representative example of SNr neuron before (A) and after (C) microinjection of quinpirole into the GP showing a decrease of its firing rate with spike train (A1C1), firing rate histogram (B), raster display of random segments of recording (A2C2), insterspike interval histogram (A3C3) and density histogram (A4C4) of the same SNr neuron. (D) Circular plot representing the percentage of SNr neurons showing an increase, a decrease or no change of their firing rate after the local injection of dopamine. (E-G) A representative example of SNr neuron before (E) and after (G) microinjection of quinpirole into the GP showing an increase of its firing rate with spike train (E1G1), firing rate histogram (F), raster display (E2G2), insterspike interval histogram (E3G3) and density histogram (E4G4) of the same SNr neuron.