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anonymous

Age-old question: when should children be responsible for their crimes? - 0 views

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    "The age of criminal responsibility acts as the gateway to the criminal justice system - under a certain age you are kept out. Most jurisdictions have this age barrier because it's widely understood children need sheltering from the criminal law consequences of their behaviour until they are developed enough to understand whether their behaviour is wrong. But what age is the right age? And how do legal systems deal with this difficult question?"
anonymous

The Neuroscience of Your Brain On Fiction - NYTimes.com - 0 views

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    "MID the squawks and pings of our digital devices, the old-fashioned virtues of reading novels can seem faded, even futile. But new support for the value of fiction is arriving from an unexpected quarter: neuroscience. Brain scans are revealing what happens in our heads when we read a detailed description, an evocative metaphor or an emotional exchange between characters. Stories, this research is showing, stimulate the brain and even change how we act in life. Researchers have long known that the "classical" language regions, like Broca's area and Wernicke's area, are involved in how the brain interprets written words. What scientists have come to realize in the last few years is that narratives activate many other parts of our brains as well, suggesting why the experience of reading can feel so alive. Words like "lavender," "cinnamon" and "soap," for example, elicit a response not only from the language-processing areas of our brains, but also those devoted to dealing with smells. In a 2006 study published in the journal NeuroImage, researchers in Spain asked participants to read words with strong odor associations, along with neutral words, while their brains were being scanned by a functional magnetic resonance imaging (fMRI) machine. When subjects looked at the Spanish words for "perfume" and "coffee," their primary olfactory cortex lit up; when they saw the words that mean "chair" and "key," this region remained dark. The way the brain handles metaphors has also received extensive study; some scientists have contended that figures of speech like "a rough day" are so familiar that they are treated simply as words and no more. Last month, however, a team of researchers from Emory University reported in Brain & Language that when subjects in their laboratory read a metaphor involving texture, the sensory cortex, responsible for perceiving texture through touch, became active. Metaphors like "The singer had a velvet vo
anonymous

Hearing Bilingual - How Babies Tell Languages Apart - NYTimes.com - 0 views

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    Once, experts feared that young children exposed to more than one language would suffer "language confusion," which might delay their speech development. Today, parents often are urged to capitalize on that early knack for acquiring language. Upscale schools market themselves with promises of deep immersion in Spanish - or Mandarin - for everyone, starting in kindergarten or even before. Yet while many parents recognize the utility of a second language, families bringing up children in non-English-speaking households, or trying to juggle two languages at home, are often desperate for information. And while the study of bilingual development has refuted those early fears about confusion and delay, there aren't many research-based guidelines about the very early years and the best strategies for producing a happily bilingual child. But there is more and more research to draw on, reaching back to infancy and even to the womb. As the relatively new science of bilingualism pushes back to the origins of speech and language, scientists are teasing out the earliest differences between brains exposed to one language and brains exposed to two. Researchers have found ways to analyze infant behavior - where babies turn their gazes, how long they pay attention - to help figure out infant perceptions of sounds and words and languages, of what is familiar and what is unfamiliar to them. Now, analyzing the neurologic activity of babies' brains as they hear language, and then comparing those early responses with the words that those children learn as they get older, is helping explain not just how the early brain listens to language, but how listening shapes the early brain. Recently, researchers at the University of Washington used measures of electrical brain responses to compare so-called monolingual infants, from homes in which one language was spoken, to bilingual infants exposed to two languages. Of course, since the subjects of the study, adorable in their
anonymous

Fighting Bullying With Babies - NYTimes.com - 1 views

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    "The typical institutional response to bullying is to get tough. In the Tyler Clementi case, prosecutors are considering bringing hate-crime charges. But programs like the one I want to discuss today show the potential of augmenting our innate impulses to care for one another instead of just falling back on punishment as a deterrent. And what's the secret formula? A baby. We know that humans are hardwired to be aggressive and selfish. But a growing body of research is demonstrating that there is also a biological basis for human compassion. Brain scans reveal that when we contemplate violence done to others we activate the same regions in our brains that fire up when mothers gaze at their children, suggesting that caring for strangers may be instinctual. When we help others, areas of the brain associated with pleasure also light up. Research by Felix Warneken and Michael Tomasello indicates that toddlers as young as 18 months behave altruistically. (If you want to feel good, watch one of their 15-second video clips here.)"
anonymous

China Rewriting History - Like Japan's, Chinese Textbooks Are Adept at Rewriting Histor... - 1 views

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    "Although Xuanyao's history teachers have taught her a lot about Japanese atrocities, she said, they are reluctant to talk about the Great Leap Forward. And they never mention the deadly Tiananmen Square protests of 1989. "Studying Chinese history is very important because it helps increase our knowledge and our patriotism," said Xuanyao, 16, dressed in purple jeans and a matching backpack. "I wasn't taught anything about Tiananmen. But what the Japanese did, particularly the Nanjing massacre, is unforgivable. Remembering this is very, very important for our national pride." China has criticized Japan in recent weeks for whitewashing its militarist history, focusing in particular on a junior high school textbook recently approved by Tokyo. A wave of anti-Japanese protests swept the world's most populous nation. A close look at China's corresponding textbook, "Chinese History -- Textbook for Junior High School," however, finds several areas where China's official history appears to have gaps of its own. "Yes, what Japan did in World War II is horrible," said Sam Crane, Asian studies professor at Williams College in Massachusetts. "But the embarrassing fact for the Communist Party, and one that is not taught in Chinese schools, is that the party itself is responsible for many more deaths of Chinese people than those caused by Japanese militarism." Historians and China scholars say an underlying theme in many Chinese textbooks is the country's victimization at the hands of foreign powers, particularly the Japanese. Although this is true, they say, China tends to underplay the long periods that it dominated its neighbors."
anonymous

Basics - Primal, Acute and Easily Duped - Our Sense of Touch - NYTimes.com - 0 views

    • anonymous
       
      The tactile map is not the territory...we always change what we come into contact with by our very presence; the observer effect.
  • The signals from the various touch receptors converge on the brain and sketch out a so-called somatosensory homunculus, a highly plastic internal representation of the body. Like any map, the homunculus exaggerates some features and downplays others.
    • anonymous
       
      Even our internat tactile maps of ourselves are not the true territory of our bodies.
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  • But on some tactile tasks, touch is all thumbs. When people are given a raised line drawing of a common object, a bas-relief outline of, say, a screwdriver, they’re stumped. “If all we’ve got is contour information,” Dr. Lederman said, “no weight, no texture, no thermal information, well, we’re very, very bad with that.”
    • anonymous
       
      Touch, like all senses, is best used in concert with the others.
  • Touch also turns out to be easy to fool. Among the sensory tricks now being investigated is something called the Pinocchio illusion. Researchers have found that if they vibrate the tendon of the biceps, many people report feeling that their forearm is getting longer, their hand drifting ever further from their elbow. And if they are told to touch the forefinger of the vibrated arm to the tip of their nose, they feel as though their nose was lengthening, too.
    • anonymous
       
      We'll discuss illusions in class, I've never been able to get the Pinocchio illusion to work but we can try it.
  • People who watch a rubber hand being stroked while the same treatment is applied to one of their own hands kept out of view quickly come to believe that the rubber prosthesis is the real thing, and will wince with pain at the sight of a hammer slamming into it.
    • anonymous
       
      This one we can try in class, but I lost my prosthetic hand last year.
  • Biologically, chronologically, allegorically and delusionally, touch is the mother of all sensory systems. It is an ancient sense in evolution: even the simplest single-celled organisms can feel when something brushes up against them and will respond by nudging closer or pulling away. It is the first sense aroused during a baby’s gestation and the last sense to fade at life’s culmination. Patients in a deep vegetative coma who seem otherwise lost to the world will show skin responsiveness when touched by a nurse.
  • “Touch is so central to what we are, to the feeling of being ourselves, that we almost cannot imagine ourselves without it,” said Chris Dijkerman, a neuropsychologist at the Helmholtz Institute of Utrecht University in the Netherlands. “It’s not like vision, where you close your eyes and you don’t see anything. You can’t do that with touch. It’s always there.”
  • For all its antiquity and constancy, touch is not passive or primitive or stuck in its ways. It is our most active sense, our means of seizing the world and experiencing it, quite literally, first hand. Susan J. Lederman, a professor of psychology at Queen’s University in Canada, pointed out that while we can perceive something visually or acoustically from a distance and without really trying, if we want to learn about something tactilely, we must make a move. We must rub the fabric, pet the cat, squeeze the Charmin. And with every touchy foray, Heisenberg’s Uncertainty Principle looms large. “Contact is a two-way street, and that’s not true for vision or audition,” Dr. Lederman said. “If you have a soft object and you squeeze it, you change its shape. The physical world reacts back.”
anonymous

Wanted - Baby Sitters With Foreign Language Skills - NYTimes.com - 1 views

  • “Once you are trilingual,” she said, “your brain can break down new languages that make it so much easier to learn your fourth, fifth and sixth languages.”
  • In fact, research shows that learning a second language makes it easier to learn additional languages. In recent years, a number of neuroscientists and psychologists have tried to untangle the impact of bilingualism on brain development. “It doesn’t make kids smarter,” said Ellen Bialystok, a professor of psychology at York University in Toronto and the author of “Bilingualism in Development: Language, Literacy and Cognition.” “There are documented cognitive developments,” she said, “but whatever smarter means, it isn’t true.”
  • Ms. Bialystok’s research shows that bilingual children tend to have smaller vocabularies in English than their monolingual counterparts, and that the limited vocabulary tends to be words used at home (spatula and squash) rather than words used at school (astronaut, rectangle). The measurement of vocabulary is always in one language: a bilingual child’s collective vocabulary from both languages will probably be larger.
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  • “Bilingualism carries a cost, and the cost is rapid access to words,” Ms. Bialystok said. In other words, children have to work harder to access the right word in the right language, which can slow them down — by milliseconds, but slower nonetheless.
  • At the same time, bilingual children do better at complex tasks like isolating information presented in confusing ways. In one test researchers frequently use, words like “red” and “green” flash across a screen, but the words actually appear in purple and yellow. Bilingual children are faster at identifying what color the word is written in, a fact researchers attribute to a more developed prefrontal cortex (the part of the brain responsible for executive decision-making, like which language to use with certain people). Ms. D’Souza said that both of her sons lagged their peers by almost a year in verbal development. Her pediatrician recommended speech therapy, and one son’s preschool teacher expressed concern that he did not know the alphabet. But when both started speaking, at around 3 years old, they were able to move fluidly among three languages. She said that her older son tested in the 99th percentile for the city’s gifted and talented program. “The flexibility of their thinking helps them in nonlinguistic abilities like science and math,” she said, speaking of her children. “But at the same time the normal things — the alphabet — they have trouble with that.”
  • George P. Davison, head of school at Grace Church School, a competitive downtown school, said that bilingualism tended to suppress verbal and reading comprehension test scores by 20 to 30 percent for children younger than 12. “If anything, it can have a negative effect on admissions,” he said.
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    Parenting sites indicate many New York City parents want caregivers to teach their children a language.
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    Some interesting questions as to whether parents can "know" it's a good thing or a bad thing to have their children learn a second language. There are clearly cognitive and social costs and benefits that must be weighed.
anonymous

Italian Vogue's oil-spill themed photo shoot: thought-provoking or tasteless? - Fashion... - 0 views

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    "A new 24-page fashion spread in the September issue of Italian Vogue features model Kristen McMenamy wearing oil-soaked black feathered outfits, withering away on a beach. Famed photographer Steven Meisel shot the controversial Gulf disaster-inspired images of McMenamy caught in nets, spitting up oil, and flopping like a dying seal on rocks. But while the images are powerful and striking, we're left wondering whether they were done in good taste. What do you think about the Italian Vogue spread? Do you find these images exploitative, glamorizing, or thought-provoking?"
anonymous

4-Year-Old Can Be Sued, Judge Rules in Bike Case - NYTimes.com - 0 views

  • “engaged in an adult activity”
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    "Citing cases dating back as far as 1928, a judge has ruled that a young girl accused of running down an elderly woman while racing a bicycle with training wheels on a Manhattan sidewalk two years ago can be sued for negligence. "
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