Wednesday, May 03, 2006

Train sounds

Did you know that your brain makes repetitive sounds appear quieter if you don't attach emotional significance to them, louder if you do? When we moved to Grinnell almost five years ago, I couldn't believe how loud the train horns were. I didn't care about them one way or the other, though, so they started to sound softer and softer until I almost never noticed them at all. Now, Pete is obsessed with trains, and I think that's great, so if I hear one approaching, I'll try to scoop him up and go see it. And quite suddenly, the horns have gotten dramatically louder. The brain just fries my chicken.

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