* Our brain’s default network—the network that we fire up as we enter into scatterfocus—is extraordinarily powerful, and not just because it leads us to experience thoughts as if they were real. Abnormal activity in the network—in particular an inability to suppress the network—is associated with depression, anxiety, ADHD, posttraumatic stress, autism, schizophrenia, Alzheimer’s, and dementia. Generally, more activity in this region of your brain is beneficial: one study found that “when people with higher IQ scores [rest their attention,] the [default mode] connectivity in their brains, especially for long-range connections, is stronger than that measured in the brains of people with average IQ.”