When a macaque monkey grasps an object, a certain group of neurons in the monkey’s ventral premotor cortex (which choreographs actions, but does not directly move the body) are activated. When the monkey is trained not to grasp the object, most of those neurons are inhibited (they turn off), but a portion of the same neurons used in grasping still turn on. That is, to actively not grasp requires thinking of what grasping would be. Not only does negating a frame activate that frame, but the more it is activated, the stronger it gets. The moral for political discourse is clear: When you argue
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