"The subcortical circuits that know such gut truths before we have words for them include the amygdala and the insula. A scholarly review of gut intuitions concludes that using feelings as information is a "generally sensible judgmental strategy," rather than a perennial source of error, as the hyperrational might argue.1 Tuning in to our feelings as a source of information taps into a vast amount of decision rules that the mind gathers unconsciously."