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Three separate experiments were conducted which all showed that individuals in the open body position took more action than those who were constricted. "Going into the research, we figured role would make a big difference. But shockingly, the effect of posture dominated the effect of role in each and every study," Li Huang, a doctoral student at Kellogg and co-author of the study, said.

The problem of looking at our devices nonstop is physiological and social. The average human head weighs between 10 and 12 pounds, and when we bend our neck to use digital devices, the gravitational pull on our head and the stress on our neck increases to as much as 60 pounds of pressure. That common position leads to incremental loss of the curve of the cervical spine. Posture has been proven to affect mood, behavior and memory, and frequent slouching can make us depressed, according to the National Center for Biotechnology Information. The way we stand affects everything from the amount of energy we have to bone and muscle development, and even the amount of oxygen our lungs can take in. A study in 2010 found that adolescents ages 8 to 18 spent more than 7.5 hours a day consuming media. In 2015, the Pew Research Center reported that 24 percent of teenagers are "almost constantly" online. Adults aren't any better: Most adults spend 10 hours a day or more consuming electronic media, according to a Nielsen's Total Audience Report from last year. "Mobile devices are the mother of inattentional blindness," said Henry Alford, the author of "Would It Kill You to Stop Doing That: A Modern Guide to Manners." "That's the state of monomaniacal obliviousness that overcomes you when you're absorbed in an activity to the exclusion of everything else." Children now compete with their parents' devices for attention, resulting in a generation afraid of the spontaneity of a phone call or face-to-face interaction. Eye contact now seems to be optional, Dr. Turkle suggests, and sensory overload can often mean our feelings are constantly anesthetized. Researchers at the University of Michigan claim empathy levels have plummeted while narcissism is skyrocketing, with emotional development, confidence and health all affected

Adopting the same gestures, posture or tone can enhance bonding and help with networking or negotiating. mirroring can help you create powerful connections with others. This behavior, often called "the chameleon effect," often causes others to like and trust you more. Professional networkers, negotiators and salespeople say they use mirroring to help them engage more deeply in a conversation and understand the person they're talking with. Retail salespeople who were told to mimic the nonverbal and verbal behavior of customers sold more products and left customers with a more positive opinion of the store, according to a 2011 study of 129 customers by French researchers. In another study, published in 2008 in the Journal of Experimental Social Psychology, 62 students were assigned to negotiate with other students. Those who mirrored others' posture and speech reached a settlement 67% of the time, while those who didn't reached a settlement 12.5% of the time.

A new form of therapy makes use of virtual therapists, who have the capacity to read facial expressions, vocal patterns, body posture, and speech tones. Cleo Stiller, host of Asking For A Friend, said in a video, "[The virtual therapist]'s also interpreting my speech in real time. Am I using positive or negative language? [the therapist] adjusts her questions based off of my responses." The benefit of virtual therapy is that it removes some of the stigmas associated with "seeing a shrink," and allows people to feel more open with their feelings and problems... at least, that's the idea.

Body language affects how others see us, but it may also change how we see ourselves. Social psychologist Amy Cuddy shows how "power posing" - standing in a posture of confidence, even when we don't feel confident - can affect testosterone and cortisol levels in the brain, and might even have an impact on our chances for success.

Emotional contagion is the phenomenon of "catching" other people's emotions and moods. According to Elaine Hatfield, a psychology professor at the University of Hawaii, humans are hard-wired "to automatically mimic and synchronize facial expressions, vocalizations, postures, and movements with those of another person and, consequently, to converge emotionally." Primitive emotional contagion is a basic building block of human interaction. It helps us coordinate and synchronize with others, empathize with them, and read their minds-all critical survival skills. When we mimic, the body gets feedback about the expressions we've taken on; we then feel what the other person is feeling. Gary Slutkin, a physician, epidemiologist, and founder and CEO of the nonprofit Cure Violence, says that emotional contagion, specifically anger and violence, springs from four mechanisms involving the brain: 1. Engagement of the cortical pathways for copying, a behavior related to mimicry. The most contagious behaviors are the most emotionally engaging, as well as the ones carried out by the people who are most relevant to you. 2. Activation of the brain's dopamine system, which works in anticipation of a reward. "Activation of that system puts you down a pathway toward what is important socially and for survival," he says. If you anticipate being rewarded for responding to someone with anger or violence, you are more likely to get on that behavioral track. 3. The brain's pain centers activate from veering off or being shut out from getting a reward. "A sense of I can't stand it lights up in the context of disapproval." 4. Serious injuries or abuse cause the limbic system and amygdala in the lower brain to become hyperreactive. "This causes you to be less in control, which accelerates violent behavior," Slutkin says. It also makes you more likely to get angry and be quick to react. "Then there's hostile attribution, another part of what happens with the limbic sy