Closed eye listening

This brief article on recent brain research says when we close our eyes while listening it can enhance the experience. Three snips:

>> past studies revealed that closing one's eyes could alter one's brain waves. . . 

. . . the researchers found that closing one's eyes enhanced the responses the volunteers felt toward the more emotionally charged scary music. Brain scans revealed that activity ramped up in the amygdala, a primary center for emotion in the brain. In turn, the amygdala fired up brain regions linked with vigilance to the environment and regulation of emotion. . . 

Although the amygdala is known to be more sensitive to negative emotions than positive ones, Hender expected very similar results with positive music as well. <<