Positive effects of methylphenidate (MPH) on attention and cognitive processing speed have been reported in studies of patients with moderate to severe traumatic brain injury (TBI). Studies which have acquired functional brain imaging before and while using MPH have also found alteration of brain activation while performing a cognitive task; in some studies. this alteration of activat... https://www.markbroyard.com/great-pick-tablecraft-invertatop-squeeze-bottle-24-oz-translucent-12-pack-cheap-limited-save/