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. 2018 May 23;12:40. doi: 10.3389/fncir.2018.00040

Figure 5.

Figure 5

Stacked area graph showing the cumulative number of publications within our scope. The graph depicts three methodological categories of studies that jointly manipulated/recorded hippocampal, prefrontal and thalamic sites. Summaries of these categories make up the main section of this review article: “Rodent Electrophysiology Studies.” The x-axis is divided in 1-year bins, from 1994 to 2017.