What happens to your brain on caffeine? An overcaffeinated neuroscientist explains. (via Your Brain On Blank) | Popular Science

Effects of caffeine on the brain.... Caffeine decreased connectivity measured in the motor and visual cortex (left and middle panels, respectively, whereas, in the Default Mode Network, the caffeine-induced change in connectivity varied between the two subjects) The DMN (Default Mode Network) was observed to have greater connectivity with the lateral parietal cortex (a part of the attentional network), The post-dose DMN involved more areas concerning outward-directed attention, which is associat