In total, it picks up over 30 different expressions, emotions and actions.

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"Words do not describe it but the expressions and the emotions that have been shown certainly do, " Kirtley said.

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Expressions that represent strong emotions like astonishment or disgust, could emphasize or deemphasize different interactive elements on the TV.

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Their emotions range from professional pride to expressions of unease over the exercise of their formidable power.

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The physicians then learn how to respond with their own appropriate emotions, body language, facial expressions, and words, without losing professional stability.

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Previous studies have suggested that although humans might think that they can recognise different expressions on their dogs' faces, this is often inaccurate and a projection of human emotions.

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Remember your face serves as a billboard advertising your emotions, so avoid a pensive scowl or furrowed brow by consciously keeping your facial expressions neutral to positive.

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