Any of a group of neurons that become active both when an animal moves in a certain way and when the animal observes others performing the same action. Learning by simulation or imitation is thought to be a function of the system of mirror neurons in the brain. See also: neuron. 1  Facebook.
5. Lectins. Lectins are found in high quantities in beans and wheat, which as mentioned earlier reduce nutrient absorption and can cause indigestion, bloating and gas for many people.
Lectins and Foods that Cause Leaky Gut. Lectins are found in many foods, not just grains, and consumed in smaller amounts, your body will do just fine with them. But foods that have large amounts of lectins are more problematic. Some of the lectins and foods that cause leaky gut include wheat, rice, spelt and soy.