Brain Food could be of two different categories. There is the education type; reading books, taking classes and learning(anything that feeds our Brains more knowledge). Then there is the 'food' category; Soy nuts, apples, etc (Food that is high in vitamins and minerals that help the Brain function better.)
The phrase a full plate means that you cant digest more food you are very much full. You have enough food
To know something by heart usually means by memory which would really be by brain.
meaning that you have fine or impeccable taste in things such as food, clothing, and other things
There is no legitimate reason to not use the phrase 'brain storm'.
It means to search through the depths of your brain for a certain thing. For example, when a group is brainstorming the leader might tell them to rack their brains for the answer.
To feed your brain means to gain more knowledge. A related idiom is food for thought, and that is something to consider or ponder. "You should go to the library and feed your brain."
The phrase "to beat one's brain" means to think very hard or intensively in order to solve a problem or come up with a solution. It is often used to describe deep, concentrated thought or mental effort.
The phrase a full plate means that you cant digest more food you are very much full. You have enough food
To know something by heart usually means by memory which would really be by brain.
Cowboys loved a colorful phrase! This meant a cigarette. The image is of a pill you could take to wake up your brain.
No they are not brain food
The prepositional phrase for "from head" is "from head," indicating the starting point or origin of something.
Put some food in my stomach
It means "I am not a kind of food".
meaning that you have fine or impeccable taste in things such as food, clothing, and other things
There is no legitimate reason to not use the phrase 'brain storm'.
Healthy food contains lots of nutrients which are good for the brain. Eating healthy food enables the brain to be more focused and sharper. You have to eat healthy food for your organism as a whole, not only for the brain. What your brain primarily needs is oxygen and glucose.