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Baboons have a complex system of communication that includes vocalizations, facial expressions, posturing, and gesturing. These vocalizations, which baboons use to express emotions, include grunts, lip-smacking, screams, and alarm calls.The intensity of the emotion is conveyed by repetition of the sounds in association with other forms of communication.hese vocalizations, which baboons use to express emotions, include grunts, lip-smacking, screams, and alarm calls. The intensity of the emotion is conveyed by repetition of the sounds in association with other forms of communication.
Bateson and his associates here pioneered the concept of meta-communication-something that means different (often contradictory) things at different levels. Meta-communication is thought to be a characteristic feature of complex systems.van Pavlov had learned that the ringing of the bell signaled food is on the way in his experiment in which dogs were trained to salivate upon hearing a bell ring. This was accomplished by ringing a bell just prior to feeding the dogs.