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. 2023 Sep 5;228(8):1993–2006. doi: 10.1007/s00429-023-02695-y

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Fig. 4 — Fast-scan voltammetry reveals dopamine-like signals in the anterior corpus callosum. A–C Left panel: Cartoon showing stimulating electrode and carbon-fiber microelectrode (CFM) placement in the corpus callosum (A), corpus callosum/striatum (B) and striatum (C); A–C center panel: example traces of [DA]_o vs time evoked by 1p (light color) or 20p 20 Hz (dark color). A–C top panel: cyclic voltammograms showing oxidation (~ 620 mV) and reduction (~ 20 mV) peaks consistent with dopamine in the corpus callosum (A) and striatum (C), from the peak of the transient. (D) Summary of the ratio of peak [DA]_o following 20p 20 Hz:1p n = 5, 4 sites from 2 animals