У консерваторов в мозгу искра слабая

... subjects occasionally saw another, infrequent cue signaling them to withhold their habitual button press. When such response inhibition was required, liberals had significantly greater neural activity originating in the anterior cingulate cortex, a portion of the brain known to be involved in conflict monitoring. Liberals were also more likely to withhold their habitual response when they saw the infrequent cue.

The findings support previous suggestions that political orientation may in part reflect differences in cognitive mechanisms.

Нашел эту прелесть в Science Daily