Kinect for Windows helps decode the role of hand gestures during conversations

We all know that human communication involves more than speaking—think of how much an angry glare or an acquiescent nod says. But apart from those obvious communications via body language, we also use our hands extensively while talking. While ubiquitous, our conversational hand gestures are often difficult to analyze; it's hard to know whether and how these spontaneous, speech-accompanying hand movements shape communication processes and outcomes. Behavioral scientists want to understand the role of these nonverbal communication behaviors. So, too, do technology creators, who are eager to build tools that help people exchange and understand messages more smoothly.

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