Doing math is a pain in the head;
At least that’s what we’ve all learned in dread.
But it’s not math that hurts,
A brain-scan asserts;
It’s fear itself hurts us instead.
Lyons IM, Beilock SL (2012) When Math Hurts: Math Anxiety Predicts Pain Network Activation in Anticipation of Doing Math. PLoS ONE 7(10): e48076. doi:10.1371/journal.pone.0048076