Expressly Human: Decoding the Language of Emotion

Good communication, conventional wisdom suggests, is calm, logical, rational. Emotions, we’re told, just get in the way.

But what if this is backwards? What if those emotional overtones are the main messages we’re sending to one another, and all that logical language is just window dressing?

Over billions of years of evolution, animals have become increasingly sophisticated and increasingly sentient. In the process, they evolved emotions, which helped improve their odds of survival in complex situations.

 

These emotions were, at first, purely internal. But at some point, social animals began expressing their emotions, in increasingly dramatic ways. These emotional expressions could accurately reflect internal emotions (smiling to express happiness)—or they could be quite different (smiling to cover up that you’re actually furious, but can’t tell your boss that).

 

Why did once-stone-faced animals evolve to be so emotionally expressive—to be us?

 

The answer, as evolutionary neurobiologist Mark Changizi and mathematician Tim Barber reveal, is that emotional expressions are our first and most important language—one that allows us, as social animals, to engage in highly sophisticated communications and negotiations.

 

Expressly Human introduces an original theory that explains, from first principles, how the broad range of emotional expressions evolved, and provides a Rosetta Stone for human communication. It will revolutionize the way you see every social interaction, from deciding who gets the last slice of pizza to multimillion-dollar business negotiations, and change your definition of what makes us human.

 

Mark Changizi is an evolutionary neurobiologist aiming to grasp the ultimate foundations underlying why we think, feel and see as we do. His research focuses on ""why"" questions, and he has made important discoveries such as on why we see in color, why we see illusions, why we have forward-facing eyes, why letters are shaped as they are, why the brain is organized as it is, why animals have as many limbs and fingers as they do, and why the dictionary is organized as it is.

He attended the Thomas Jefferson High School for Science and Technology, and then went on to the University of Virginia for a degree in physics and mathematics, and to the University of Maryland for a PhD in math. In 2002, he won a prestigious Sloan-Swartz Fellowship in Theoretical Neurobiology at Caltech, and in 2007, he became an assistant professor in the Department of Cognitive Science at Rensselaer Polytechnic Institute. In 2010, he took the post of Director of Human Cognition at a new research institute called 2ai Labs.

He has more than 30 scientific journal articles, some of which have been covered in news venues such as The New York Times, Wall Street Journal, Newsweek, and Wired. He has written three books, The Brain From 25,000 Feet (Kluwer 2003), The Vision Revolution (BenBella 2009), and Harnessed(BenBella 2011).

Tim Barber earned his PhD from Princeton in mathematics and has had a long interest in diagnosing the algorithms that underlie the uniquely human capacity for reasoning. He is a serial entrepreneur with highly successful companies such as Kount and ClickBank.