Recently, it was found that self-directed speech was helpful to sighted subjects engaging in a visual search task: Participants searched for common objects, while being sometimes [sic] asked to ...
I know of anecdotal evidence for the following drug-related side-effects: It can happen while getting used to a new drug, or when quitting a drug. Probably also some other situations. The feeling ...
From the website: BRAIN SYNC meditation CDs and guided imagery techniques are proven to significantly improve mental performance. In two decades, nearly 3 million Brain Sync users have ...