Worrying Today Could Mean Worrying Tomorrow  Worrying too much
about an unpleasant task you will face an hour down the road
will burn that experience more deeply into your brain, making it
much more difficult for you to forget how badly you blundered,
according to new research.  And that memory of your failure
could make it more difficult for you to face the same task
later, thus sending you into a downward spiral of self-
fulfilling prophecies.  The research, conducted by psychologists
at the University of Wisconsin-Madison, shows that simple
anticipation of an emotional event, whether good or bad, will
reinforce the memory of that event.  "That finding was a bit of
a surprise to us," said Jack Nitschke, assistant professor of
psychiatry and psychology at the university, and a clinical
psychologist.  It suggests that anticipating a bad situation may
kick-start an "arousal or fear circuitry" in the brain, says
Kristen Mackiewicz, lead author of a report on the research in
the current issue of the Proceedings o