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. 2014 Sep 30;5:1040. doi: 10.3389/fpsyg.2014.01040

Figure 5.

Figure 5

This drawing shows the location and distribution of intrinsic cardiac ganglia which are interconnected and form the “heart brain.” Note how they are distributed around the orifices of the major vessels. Credit: Dr. Andrew Armour and the Institute of HeartMath.