Topic: electrocardiography

Vocal communication is of utmost importance in human and animal interactions. However, little is known regarding the physiological states underlying vocal signaling. It was thought for decades that the ability to decouple emotional states from the vocal output, indicating volitional control of vocalizations, was a clear distinction between humans and non-human primates, whose affective state was supposed to exclusively drive vocal behavior. Additionally, human speech involves a very sophisticated control of breathing with multiple units of sound produced during extended expirations. Novel evid