You're standing at a bus stop, waiting for a ride that seems like it will never come. At first, you're hopeful that it will be here any second. But as the minutes laggardly drag on, doubt creeps in.
Cerebellum (Latin for "little brain") in red. Source: Life Sciences Database/Wikimedia Commons Non-invasive stimulation of the cerebellum at a delta frequency normalizes brain activity in the frontal ...