When you allow your mind to wander from a task, or when you finish the task, or if you pause too long in anger or dismay while doing the task, the TPN in your brain defaults to a different connectome. Not surprisingly—given that we default to this state—this other connectome is called the default mode network (DMN). The DMN allows for expansive, imaginative, and creative thinking. The back half of the DMN—called the posterior cingulate—facilitates your autobiographic memory, your personal history. This allows you to think back, draw upon, and pick apart the past. The front part, the medial
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