What’s that migraine aura all about?

Flickering lights, jagged lines and blind spots are among the possible symptoms of the aura that precedes a migraine. — dpa

Just as the dawn heralds the start of the day, so too does an aura often signal the onset of a migraine headache.

This is why the sensory disturbances that can precede a migraine are named after Aurora, the ancient Roman goddess of the dawn.