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. 2017 Aug 31;12(8):e0183685. doi: 10.1371/journal.pone.0183685

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© 2017 Cook 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 4 — (A) Basal tonic firing frequency of VTA DA neurons was similar between groups (p = 0.4681, Student’s t-test, n = 36-38/group). (B) Representative traces of VTA DA neuron firing following 4 weeks of chow only (blue) or cafeteria diet (red) feeding. DA, dopamine; VTA; ventral tegmental area.