Summary made by Quivr/GPT-4

This document is a research study on the evolution of communication, specifically focusing on the concept of multimodal communication. Multimodal communication refers to the use of multiple modes or methods to convey a message, such as vocal and visual cues. The researchers have found strong evidence supporting the idea that the origins of language are multimodal, meaning that early humans likely used a combination of sounds, gestures, and other signals to communicate.

The researchers have gathered this evidence from various sources, including studies on human interaction, experimental semiotics (the study of signs and symbols), and research on how our primate relatives communicate. They found that not only do humans use multimodal communication, but so do non-human primates, suggesting that this method of communication has deep evolutionary roots.

However, the researchers note that few studies have looked beyond primates to explore the origins of multimodal communication. In their work, they suggest that this type of communication can be traced back even to invertebrates, indicating that it’s a fundamental aspect of animal communication.

From a neurobiological perspective, the researchers propose that a gene called FoxP2 could play a crucial role in the evolution of multimodal communication. This gene is involved in connecting the basal ganglia and the hippocampus, two areas of the brain that are key to learning and memory. This connection could potentially enhance the ability to learn and use multimodal communication.

The potential benefits of these discoveries are significant. Understanding the origins and evolution of communication can provide insights into how we learn and process language, which could have applications in education and therapy. Furthermore, understanding the role of genes like FoxP2 in communication could potentially lead to new treatments for communication disorders.