The human brain uses the default mode network when we are sub-consciously performing tasks. br br The anterior cingulate cortex (ACC) buzzes with activity when an individual feels that they are about to make an error. br Honest signaling operates at the sub-conscious level. br Monks in Tibet practice a form of meditation called "tummo". br Morgan Freeman reviews transcranial direct current stimulation (tDCS). br br Thanks for watching. Follow for more vidoes.