Closed Eyes Intensify Emotions

"Neuroscientists have discovered that a brain centre involved in sensing emotion and fear called the amygdala kicks into action when volunteers listen to scary music with eyes closed...Shutting your eyes heightens people's emotional responses to the outside world, suggests previous research—not to mention everyday experience."

~ From “Scary Music is Spookier with Eyes Shut," by Ewen Callaway, New Scientist (July 28, 2009)