If you're basing this question on the common urban legend that we only use 10% of our brain, then the answer is no. Both geniuses and normal humans use 100% of their brains. You can't remove 90% of a brain's mass and have a person still work the same way. There is no dead space. Brains are expensive, evolution wouldn't allow such an expensive thing to exist if it could get the same out of something a tenth the cost.
Other causes of palpitations include: 1  Anemia. 2  Exercise. 3  Fever. 4  Hypoglycemia (low blood sugar). 5  Perimenopause. 6  Trauma.
Heart palpitations after eating can be caused when the heart begins to pump blood back to the stomach and other areas to help the digestion process. This activity can sometimes be felt by some people as an abnormal heartbeat. Other causes include fluctuations of blood glucose and its effect on the heart, overeating, and eating spicy foods. In addition, drinking caffeinated beverages such as iced tea and coffee with meals may cause heart palpitations.