It would be good to mention and
Blueberry
This purple fruit is superb for the brain. The conductors of the study found that regular consumption of blueberries not only encourages memory, but can also restore memories. On the other hand, a study published in the Neuroscience magazine, and tested on rats, has shown that the daily use of these berries promotes concentration. Namely, the rodents learned more quickly and mastered the given tasks after a meal of blue-violet satisfaction.