Happy sounds tickle the brain to prompt a smile.

Laughter is indeed infectious, according to a new study. Researchers have shown that the mere sound of giggles tickles the same area of the listener’s brain that is activated when smiling. The brain’s response helps to prepare the facial muscles for a good hearty laugh.

Read the story here.

Happy sounds tickle the brain to prompt a smile.

Laughter is indeed infectious, according to a new study. Researchers have shown that the mere sound of giggles tickles the same area of the listener’s brain that is activated when smiling. The brain’s response helps to prepare the facial muscles for a good hearty laugh.

Read the story here.