Too much sugar or refined carbohydrates at one time, however, can actually deprive your brain of glucose – depleting its energy supply and compromising your brain's power to concentrate, remember, and learn. Mental activity requires a lot of energy.
Doodling is often seen as a sign of distraction. If you’re doodling, you’re not paying attention.
If you’re drawing, you’re not taking notes. You’re not listening. You’re not learning.
doodling help students learn, but that drawing is an important tool for scientific discovery.
drawing and doodling need to be in the service of learning. Coloring in a diagram of the digestive system, for example, doesn’t help a student understand digestion.