By Nadia M. Whitehead for The University of Texas at El Paso
Watch a YouTube video of a giggling baby and you’ll likely end up with a grin on your face. Your mouth will turn upward into a smile and you might even let out a chuckle yourself. The skin on your face may change color, too, turning a different hue as you experience positive emotions.
Computer scientist Olac Fuentes, Ph.D., is keenly interested in subtle facial changes like these and how they offer clues about what a person is feeling. The University of Texas at El Paso researcher is particularly focused on how the human face fluctuates between colors depending on the emotion being felt.
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