Pantsers vs Plotters: New scientific evidence?

A recent study by Shawn Nielsen of the University of California has revealed that the contraceptive pill alters the way women recall an emotional narrative.  I hear you saying "What's that got to do with writing?" but bear with me.

Female participants watched two slide shows: one emotionally charged, the other similar but less emotional, and the first thing they discovered was that all the women studied recalled more slides from the emotional story.  No surprises there.  But what did trigger i...