For lizards it's not what you say, it's when you say it

Using computer models of jacky dragons, researchers have learned it's the order of a jacky dragon's movement that makes communication possible. From Johns Hopkins:

Woo and Rieucau conducted a playback experiment using computer animations of lizard displays. They created three simulated animations of lizards that differed in their shape and skin texture and performed the displays either with natural syntax or reversed syntax. There was the “cyberlizard,” which had normal shape and skin texture; a lizard with normal shape but without realistic skin texture; and an object shaped generally like a lizard but lacking texture. The researchers found the order of the actions was critical for signal recognition. Even the animated lizards with abnormal shape and texture elicited responses from the jacky dragon subjects, as long as the actions were in the correct order. The lizards responded to animations with correct syntax by making social signals of their own. These included aggressive signals like fast head bobs or the entire visual display pattern (tail flick, quick arm wave, and push-up body rock) or submissive displays like slow arm waves and slow head bobs.

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