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. 2013 Oct 3;7:133. doi: 10.3389/fncom.2013.00133

Figure 6.

Figure 6

Simultaneous alteration of NE and DA levels. Figure shows firing rates for the all neurons of the four columns for low, optimal, and high concentrations of DA and NE. The column encoding the 0° saccade direction is shown in blue, 90° saccade direction in green, 180° in red and 270° in teal. Panels (B,E,H) and (D–F) are averages of the results seen in Figures 5, 6, respectively. The four corner conditions include: low DA + low NE (A), low DA + high NE (C), high DA + low NE (G), and high NE + high DA (I). To our knowledge, these four conditions have not been experimentally tested. Firing rates were smoothed using a simple moving average.