Insula

And when it's painful, it activates the brain's neural pain network.

specifically a brain structure called the anterior insula, I-N-S-U-L-A.

Getting revenge, when we take an act to get revenge, or even just fantasizing about it, is rewarding and literally releases dopamine, and it activates the brain's pleasure and reward circuitry, which primarily comprises the nucleus, accumbens, and brain.

dorsal striatum and the ventral tegmental area.

The second thing is there's an increase in what we call functional connectivity.

between the left executive control network, the prefrontal cortex, dorsolateral prefrontal cortex, and the insula, which is an island of tissue.

Insula means island in Latin.

In the middle of the frontal cortex, that is a mind-body conduit.

It's what transmits interoception, feelings from your body, and it's the way the brain controls what's going on in your body.