The face not only changes its expression in response to emotion, it also changes color. Not just beet red with embarrassment and ghostly white from shock but more subtle shades corresponding to a range of emotions. The changes occur due to slight shifts in blood flow around the nose, eyebrows, cheeks, and chin. Moreover, the color patterns, or color ratios, indicating different emotions are the same regardless of gender, ethnicity, or overall skin tone. Attentive listeners perceive those shifts, usually subconsciously. Researchers at Ohio State University superimposed the color signatures of
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