At the same time theanine and caffeine intake, the brain waves of people to quiet the mind will be greatly decreased activity.

The need to focus attention, many people will drink a cup of coffee. However, tea also help to pull themselves together! Theanine, an amino acid effect of extraordinary, almost unique to tea. which like caffeine, have a brain cell activity to promote the effectiveness of. New York • S • Nathan Kline Institute of Psychiatry • J • John Fox (John • J • Foxe) and colleagues in 16 man-made object, a period of four days in the test case of their attention.

The first day of the test, drink a glass of water per person. In the ensuing three days, the water or by adding 100 mg of theanine, or by adding 60 mg of caffeine, or adding the two. Theanine dose equivalent to 4 to 5 cups of tea, caffeine dose equivalent to 2.5 cups of tea.

In the test, the participants focused the computer screen, the screen, the arrow has a point to advance non-stop changes visual areas. When a particular graphics in the visual area, the participants on the button. The results showed that only the day to drink water, or drink a participant theanine or caffeine drinks a day, the button is not much difference in accuracy. However, when the mixed-theanine and caffeine drink up to the participants, the test that day showed that greatly increased their attention, and continued for as long as three hours.

Foxe noted that brain research shows that when people at the same time theanine and caffeine intake, the brain waves of people to mind the quiet activities will be greatly decreased, resulting in a lazy state of the nerve cells together all at once exciting, so that people’s attention on the greatly enhanced.