This "feeling" of full comprehension can be an illusion. Similar to how we think we are taking in 140 degree of full visual information through our eyes. In tru

This "feeling" of full comprehension can be an illusion. Similar to how we think we are taking in 140 degree of full visual information through our eyes. In truth, we can only take in accurate information about the size of our thumb at arms length. The so called saccades phenomenon.