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Lying in politics transcends political party and era. It is, in some ways, an inherent part of the profession of politicking. But Donald Trump is in a different category. The sheer frequency, spontaneity and seeming irrelevance of his lies have no precedent. A whopping 70 percent of Trump's statements that PolitiFact checked during the campaign were false, while only 4 percent were completely true, and 11 percent mostly true. (Compare that to the politician Trump dubbed "crooked," Hillary Clinton: Just 26 percent of her statements were deemed false.) For decades, researchers have been wrestling with the nature of falsehood: How does it arise? How does it affect our brains? Can we choose to combat it? The answers aren't encouraging for those who worry about the national impact of a reign of untruth over the next four, or eight, years. Lies are exhausting to fight, pernicious in their effects and, perhaps worst of all, almost impossible to correct if their content resonates strongly enough with people's sense of themselves, which Trump's clearly do.

Contrary to popular belief, liars don't actually give many visual giveaways to their lies. The better cues are in their speech. The common misconceptions about liars and their body language are actually signs of anxiety. More often than not, truth-tellers are assumed to be liars because they are anxious to recount the correct details

You only use 10 percent of your brain. Eating carrots improves your eyesight. Vitamin C cures the common cold. Crime in the United States is at an all-time high. None of those things are true. But the facts don't actually matter: People repeat them so often that you believe them. Welcome to the "illusory truth effect," a glitch in the human psyche that equates repetition with truth. Marketers and politicians are masters of manipulating this particular cognitive bias. "Repetition makes things seem more plausible," says Lynn Hasher, a psychologist at the University of Toronto whose research team first noticed the effect in the 1970s. "And the effect is likely more powerful when people are tired or distracted by other information."

The priming effect occurs when one is exposed to words or images that subconsciously influence decision-making. For example, seeing pictures of a shower would likely influence you to fill in so__p as "soap." But, seeing pictures of bread, you would probably say "soup." A somewhat controversial study has shown that subjects who were unknowingly exposed to elderly words (like bald, gray, and wrinkle) walked more slowly toward the next experiment than the control group. Another study asked participants to lie via email and another group of participants to lie via voicemail. Those who lied on the email were more likely to purchase soap, whereas the group who lied via voicemail were more likely to buy mouthwash. This wasn't included in the article, but I suspect the reason it's easy to come up with puns is because our brains are primed to think of words within a certain theme. The article mentioned that you can use priming to help you come up with new ideas around a central idea by writing related words in a list, until you think of something appropriate.

This article by Candice Jalili on Time discusses the body language people tend to have when lying. Everyone can lie, in fact, the average American tells one to two lies each day. It explains how to detect honesty in a conversation, including where their eyes go and how their voice sounds. When someone is lying, they are likely uncomfortable, so they may fidget or have frequent voice cracks. Doctors from the healthcare community provide input on signs people display when lying. The main sections of this article are body cues, facial cues, tone of voice, and content of speech. Body cues include hand movement and itching/fidgeting. Facial cues are eye movement, mouth position, change in complexion, and sweating. The section on tone of voice consists of a high pitched voice and changes in volume while speaking. Lastly, content of speech includes phrases people use, filler words, and slip-ups.

Some people subconsciously display the telltale signs of deception that make their lies relatively easy to spot -- but other liars are much more elusive. Neuroscience has been looking into what happens in the brain to explain this difference.

A Liverpool University study found reading poetry lights up both the left part of the brain concerned with language, as well as the right hemisphere, an area that relates to autobiographical memory and emotion. Reading triggers "reappraisal mechanisms" that cause people to reflect on their own experiences in light of what they read. The study might also suggest that word choice and sound are crucial elements in creating beneficial literary experiences: more "challenging" prose and poetry (striking wording/phrasing, complex syntax) sparks far more electrical activity in the brain than more pedestrian translations of those passages.

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.

"They scanned a total of 79 trainees, just before they started to learn the "All-London" Knowledge [memorizing "25,000 streets and 20,000 landmarks and places of interest"], which can take between two and four years to complete. ... those who had attempted the Knowledge had increased the size of the posterior hippocampus - the rear section of the hippocampus which lies at the front of the brain. ... this advantage appeared to come at a price, as the non-cabbies outperformed them in other memory tasks, such as recalling complex visual information." The full study: http://www.pnas.org/content/97/8/4398.full.pdf+html

2006 NPR interactive news special on the social underpinnings of language, containing short sound bites with various language researchers. 5 topics are covered: the importance of context in helping deduce meaning, social connections and language, Theory of Mind (how humans observe each other, gauging the effect that words are having on listeners, in order to assess others' beliefs, intentions and desires), and empathy. The video clip of Kanzi, the bonobo ape, cooking hamburgers with his human friends is a classic!