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Improvising can be tough on the spot, especially for politicians. Spontaneity is an illusion of meticulous design and one of the most effective rhetorical devices for creating spontaneity is metanoia- correcting or changing one's mind.

The brains of jazz musicians who are engaged with other musicians in spontaneous improvisation show robust activation in the same brain areas traditionally associated with spoken language and syntax. In other words, improvisational jazz conversations "take root in the brain as a language"

You beat me, Mark!

This article talks about the evolution of profanity and how certain words came to be classified as taboo. Researchers have found that cursing, is a human universal. Every language studied, living or dead, have all left traces of forbidden speech. They have also discovered that cursing is often a mixture of raw, spontaneous feelings, as they are oftentimes used to place emphasis on a specific word or sentence.

Doctors at Beth Israel Deaconess Medical Center in Boston, Massachusetts, are treating stroke patients who have little or no spontaneous speech by associating melodies with words and phrases. "Music, and music-making, is really a very special form of a tool or an intervention that can be used to treat neurological disorders, said Dr. Gottfried Schlaug, associate professor of neurology at Beth Israel and Harvard University.

"Psychologists had already suspected that language was important for understanding numbers. Earlier studies of two tribes in the Amazon - one that had no words for numbers greater than five and another whose counting system seemed to go "one, two, many" - showed that people in those tribes had trouble reporting exactly how many objects were placed in front of them. But in those cultures, which don't have monetary systems, there might be no need to represent large numbers exactly. The question posed was whether language kept those Amazonian people from counting, or a lack of cultural pressure. To address that question, Spaepen and colleagues turned to Nicaraguan homesigners, deaf people who communicate with their hearing friends and relatives entirely through made-up hand gestures."

Spontaneous gesture can help children learn, whether they use a spoken language or sign language, according to a new report by Susan Goldin-Meadow, psychology professor at the University of Chicago. "Children who can hear use gesture along with speech to communicate as they acquire spoken language," a researcher said. "Those gesture-plus-word combinations precede and predict the acquisition of word combinations that convey the same notions. Gesture plays a role in learning for signers even though it is in the same modality as sign. As a result, gesture cannot aid learners simply by providing a second modality. Rather, gesture adds imagery to the categorical distinctions that form the core of both spoken and sign languages. Goldin-Meadow concludes that gesture can be the basis for a self-made language, assuming linguistic forms and functions when other vehicles are not available. But when a conventional spoken or sign language is present, gesture works along with language, helping to promote learning.

A new study conducted by the University of Pennsylvania has shown that children as young as two understand basic grammar rules when they first learn to speak and are not simply imitating adults. The study also applied the same statistical analysis on data from one of the most famous animal language-acquisition experiments -- Project Nim -- and showed that Nim Chimpsky, a chimpanzee who was taught sign language over the course of many years, never grasped rules like those in a two-year-old's grammar. "When you compare what children should say if they follow grammar against what children do say, you find it to almost indistinguishable," Professor of Linguistics Charles Yang said. "If you simulate the expected diversity when a child is only repeating what adults say, it produces a diversity much lower than what children actually say." As a comparison, Yang applied the same predictive models to the set of Nim Chimpsky's signed phrases, the only data set of spontaneous animal language usage publicly available. He found further evidence for what many scientists, including Nim's own trainers, have contended about Nim: that the sequences of signs Nim put together did not follow from rules like those in human language. Nim's signs show significantly lower diversity than what is expected under a systematic grammar and were similar to the level expected with memorization. This suggests that true language learning is -- so far -- a uniquely human trait, and that it is present very early in development.

Article reports on the research of Dr. Charles Limb, of Johns Hopkins. Through fMRI, Limb found the brains of jazz musicians engaged with other musicians in spontaneous improvisation show robust activation in the same brain areas traditionally associated with spoken language and syntax. In other words, improvisational jazz conversations "take root in the brain as a language," Limb said. However, the areas of the brain associated with meaning are not activated.

Al-Sayyid is a village in Israel, populated by congenitally-deaf people. Over the past 75 years, the villagers have created an entirely new and unique language, Al-Sayyid Bedouin Sign Language (ABSL). The seeds emerged spontaneously among the first deaf residents and, three generations later, it has flowered into a complex language capable of expressing anything a spoken one can. Since its discovery by linguists in 2000, ABSL has captivated researchers driven by two fundamental questions: how did language emerge, and what can that tell us about the nature of the human mind? ABSL offers a unique opportunity to test a theory that has dominated linguistics since the 1950s. Put forth by Noam Chomsky, it claims that language is an innate and uniquely human trait, programmed into our genes. Children are born with a "language instinct" that compels them to effortlessly acquire whatever language (or languages) they are immersed in as toddlers.

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

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.

Why does psychotherapy favorably compare to medication in treating depression? One reason may be rooted in the evolutionary origins of depression. Scholars suggest humans may become depressed to help us focus attention on a problem that might cause someone to fall out of step with family, friends, clan or the larger society-an outcast status that, especially in Paleolithic times, would have meant an all-but-certain tragic fate. Depression, by this account, came about as a mood state to make us think long and hard about behaviors that may have caused us to become despondent because some issue in our lives is socially problematic. Steven D. Hollon, a professor of psychology at Vanderbilt University, explores the implications of helping a patient come to grips with the underlying causes of a depression-which is the goal of CBT (cognitive behavioral therapy), and is also in line with an evolutionary explanation. The anodyne effects of an antidepressant, by contrast, may divert a patient from engaging in the reflective process for which depression evolved-a reason perhaps that psychotherapy appears to produce a more enduring effect than antidepressants. Hollon notes that depression has a purpose--it spurs rumination about complex social problems, and that CBT can expedite rumination and make it more effective. He states, "For most people, depression motivates them to think more deliberately about the causes of their problems and the solutions they can apply. In most instances in our ancestral past this worked well enough; most depressions remit spontaneously even in the absence of treatment. Cognitive therapy, at the least, hurries the process along and, at the most, helps unstick that subset of individuals who get stuck making negative ascriptions about themselves, typically about personal competence or lovability."