To understand the primate origins of the human interaction engine, it is worthwhile to focus
not only on great apes but also on callitrichid monkeys (marmosets and tamarins). Like …

Investigating in depth the mechanisms underlying human and non‐human primate
intentional communication systems (involving gestures, vocalisations, facial expressions …

Highlights•Male gibbon morning calls conform to Zipf's law of brevity and Menzerath's
law.•The most common notes being shortest in duration.•Longer sequences are made up of …

Summary Human speech shares a 3–8-Hz theta rhythm across all languages [1–3].
According to the frame/content theory of speech evolution, this rhythm corresponds to …

Speech is a human hallmark, but its evolutionary origins continue to defy scientific
explanation. Recently, the open–close mouth rhythm of 2–7 Hz (cycles/second) …

Abstract Information complexity in animals is an indicator of advanced communication and
an intricate socio‐ecology. Zipf's Law of least effort has been used to assess the potential …

Human and non-human primates produce rhythmical sounds as soon as they are born.
These early vocalizations are important for soliciting the attention of caregivers. How they …

The core of the paper is a critique of the role of pantomime in the author's theory (the Mirror
System Hypothesis, MSH, itself evolving) of the biocultural evolution that led to human …

Duets in pair-bonding primates serve as a primary mode of communication between pairs,
and duets may provide cues to conspecifics regarding the calling individual or pair. Here, we …

Simple Summary The social complexity hypothesis (SCH) for communication predicts that
species with complex social systems exhibit complex communication systems. Testing the …