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Lawrence Hrubes

'Trust Your Gut' Might Actually Be Profitable Advice on Wall Street, Study Says - The N... - 0 views

  • What attributes make for a successful trader? Is it comprehensive knowledge of an industry? The ability to read the markets? Luck?Or might it be something subtler and seemingly unrelated — namely, an awareness of one’s own heartbeat?
  • Mr. Coates set out to try to identify whether “gut feelings” were merely the stuff of myth, or something real and measurable.
  • And among the traders, more accurate heartbeat awareness was correlated with profitability. That is, the better a trader was at sensing his own heart rate, the more successful he was at high-frequency trading. Advertisement Continue reading the main story What is more, the longer an employee of the hedge fund had been working as a trader, the more accurate he was at counting his heart rate.
markfrankel18

Why Time Slows Down When We're Afraid, Speeds Up as We Age, and Gets Warped on Vacation... - 0 views

  • As we grow older, we tend to feel like the previous decade elapsed more rapidly, while the earlier decades of our lives seem to have lasted longer. Similarly, we tend to think of events that took place in the past 10 years as having happened more recently than they actually did
  • The most straightforward explanation for it is called the clarity of memory hypothesis, proposed by the psychologist Norman Bradburn in 1987. This is the simple idea that because we know that memories fade over time, we use the clarity of a memory as a guide to its recency. So if a memory seems unclear we assume it happened longer ago.
  • It is clear that however the brain counts time, it has a system that is very flexible. It takes account of [factors like] emotions, absorption, expectations, the demands of a task and even the temperature .The precise sense we are using also makes a difference; an auditory event appears longer than a visual one.
markfrankel18

Are we born with a moral core? The Baby Lab says 'yes' - CNN.com - 0 views

  • But a growing number of researchers now believe differently. They believe babies are in fact born with an innate sense of morality, and while parents and society can help develop a belief system in babies, they don't create one. A team of researchers at Yale University's Infant Cognition Center, known as The Baby Lab, showed us just how they came to that conclusion.
markfrankel18

Why the One Appealing Part of Creationism Is Wrong : The New Yorker - 0 views

  • In the first place, science doesn’t involve merely telling stories about history. If it did, scientific explanations might not have any claim to a higher level of veracity than religious stories. The stories that science does tell have empirical consequences, and make physical predictions that can be tested. In this sense, all science is historical science. We make observations about past events, based on everything from data gathered in the laboratory yesterday to remnants of phenomena, like meteor impacts or stellar explosions, which may have happened billions of years ago. We then use them to make predictions about the future, about experiments or observations that have not yet taken place. To quibble about how long ago the original data was generated is to miss the point
markfrankel18

BBC - Future - Why you think your phone is vibrating when it is not - 0 views

  • Sensing phantom phone vibrations is a strangely common experience. Around 80% of us have imagined a phone vibrating in our pockets when it’s actually completely still. Almost 30% of us have also heard non-existent ringing. Are these hallucinations ominous signs of impending madness caused by digital culture?Not at all. In fact, phantom vibrations and ringing illustrate a fundamental principle in psychology.
markfrankel18

On the Face of It: How We Vote : The New Yorker - 0 views

  • In 2003, the Princeton psychologist Alexander Todorov began to suspect that, except for those people who have hard-core political beliefs, the reasons we vote for particular candidates could have less to do with politics and more to do with basic cognitive processes—in particular, perception. When people are asked about their ideal leader, one of the single most important characteristics that they say they look for is competence—how qualified and capable a candidate is. Todorov wondered whether that judgment was made on the basis of intuitive responses to basic facial features rather than on any deep, rational calculus. It would make sense: in the past, extensive research has shown just how quickly we form impressions of people’s character traits, even before we’ve had a conversation with them. That impression then colors whatever else we learn about them, from their hobbies to, presumably, their political abilities. In other words, when we think that we are making rational political judgments, we could be, in fact, judging someone at least partly based on a fleeting impression of his or her face.
  • Starting that fall, and through the following spring, Todorov showed pairs of portraits to roughly a thousand people, and asked them to rate the competence of each person. Unbeknownst to the test subjects, they were looking at candidates for the House and Senate in 2000, 2002, and 2004. In study after study, participants’ responses to the question of whether someone looked competent predicted actual election outcomes at a rate much higher than chance—from sixty-six to seventy-three per cent of the time. Even looking at the faces for as little as one second, Todorov found, yielded the exact same result: a snap judgment that generally identified the winners and losers.
markfrankel18

As Babies, We Knew Morality - Emily Esfahani Smith - The Atlantic - 0 views

  • New research supports the understanding that all people are born with a sense of good and bad. What does that say about altruism, community, and the capacity to kill one another?
markfrankel18

Time-shifting man predicts the future › Dr Karl's Great Moments In Science (A... - 0 views

  • "Time" is something that both philosophers and physicists have been wondering for about, well, a long time. And now, the neuroscientists have joined in. They have found a man who, when he looks at you, hears what you are saying to him before your lips move.
  • We don't notice this delay in reality because we have evolved to be able to deal with this. We can anticipate actions or patterns through experience.
  • Now you might not realise this, but in terms of vision you are always living 0.3 second (or 300 milliseconds) behind reality. That's how long it takes between when the incoming light lands on the cells in your retina, and you get that full magnificent wraparound 3D colour sensation that we call vision.
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  • So how come we normally see the lips moving at the same time as we hear the voice? Almost certainly, it's because our brain deliberately inserts a delay of about 200 milliseconds on the audio circuit. Now sure, there would be an advantage in being able to hear dangerous things, such as the killer kangaroo bearing down upon you that extra 200 milliseconds earlier. But all of us are a product of an evolutionary pathway that decided it was more important for us to be able to easily communicate with our fellow humans, than to hear the killer kangaroo that 200 milliseconds sooner. After all, we humans are quite pathetic as a hunting animal. We can't run very quickly, our eyes are not very sharp, and neither is our sense of smell. Our claws are silly little fingernails, and our teeth are not very good at ripping and tearing. But thanks to our amazing brain, we can organise ourselves into groups and so we have become masters of the planet. So, getting back to Mr PH, if the sound of the outside world was deliberately electronically delayed by 200 milliseconds, suddenly audio and vision were in sync for him again. And when the neuroscientists did an MRI scan on his brain, they found damage in areas that were well-placed to disrupt audition and/or timing.
markfrankel18

Why we can 'see' the house that looks like Hitler | Science | The Observer - 0 views

  • had inadvertently rediscovered the remarkable human talent for perceiving meaning where there is none. Known as apophenia or pareidolia, it is something we all experience to some degree. We see faces in the clouds and animals in rock formations. We mishear our name being called in crowds and think our mobile phones are vibrating when it turns out to be nothing but the normal sensations of our own movement.
  • In many ways, this tendency is the basic ingredient of hallucination and it is present to a much stronger degree in people who have frank and striking hallucinations, most notably as part of the range of experiences that can accompany a diagnosis of schizophrenia.
  • Less clinically, the Swiss neuroscientist Peter Brugger has discovered that this tendency is raised in people who have greater numbers of supernatural beliefs and experiences but aren't unwell in any sense of the word. With increased apophenia, perhaps, the world just seems more imbued with meaning.
Lawrence Hrubes

Daniel Tammet: Different ways of knowing | Video on TED.com - 0 views

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    "Daniel Tammet has linguistic, numerical and visual synesthesia -- meaning that his perception of words, numbers and colors are woven together into a new way of perceiving and understanding the world."
Lawrence Hrubes

Pawan Sinha: How brains learn to see | Video on TED.com - 0 views

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    "Pawan Sinha details his groundbreaking research into how the brain's visual system develops. Sinha and his team provide free vision-restoring treatment to children born blind, and then study how their brains learn to interpret visual data. The work offers insights into neuroscience, engineering and even autism."
Lawrence Hrubes

Do Plants Think? | GarethCook - 0 views

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    "How aware are plants? A plant can see, smell and feel. It can mount a defense when under siege, and warn its neighbors of trouble on the way. A plant can even be said to have a memory. But does this mean that plants think? "
markfrankel18

Pakistani Girl, a Global Heroine After an Attack, Has Critics at Home - NYTimes.com - 0 views

  • That cynicism was echoed this week across Pakistan, where conspiracy-minded citizens loudly branded Ms. Yousafzai a C.I.A. agent, part of a nebulous Western plot to humiliate their country and pressure their government. Muhammad Asim, a student standing outside the gates of Punjab University in the eastern city of Lahore, dismissed the Taliban attack on Ms. Yousafzai as a made-for-TV drama. “How can a girl survive after being shot in the head?” he asked. “It doesn’t make sense.”
markfrankel18

3quarksdaily: Is Wine Tasting Nonsense? - 1 views

  • If there is such a thing as real expertise in identifying the properties of a wine, then it must be possible to get it wrong.  If tastes, in general, were entirely subjective there would be no right answer to the question of whether, for instance, chocolate ice cream tastes of chocolate.  No one really thinks that. The fact that expert wine tasters get it wrong so often is evidence that wine tasting is harder than identifying the presence of chocolate in ice cream—not that it is utterly capricious. So tastes are not so entirely subjective that our experiences of them have no relationship to an object.
  • Furthermore, tasters can strive to eliminate environmental factors that have been shown to influence judgments about wine such as conversations, the style of music being played, and changes in the weather, etc. These are all factors that wine tasters can control by adjusting the environment in which they taste. Wine tasters, if they are to maintain credibility, must taste under the appropriate conditions. But that is no different from any other normative judgment we make. Our ability to make ethical judgments, for instance, is similarly influenced by environmental factors. We know (or should know) better than to make ethical judgments when we are excessively angry, fearful, under the influence of powerful desires, etc. Yet, it does not follow from the fact that ethical judgments can be influenced by irrelevant factors that all ethical judgments are subjective.
  • So the taste of wine (or anything else) is partly dependent on objective features of the world and partly dependent on how our view of those features has been shaped by past experience. The crucial question then is how much of a distorting lens is that past experience.
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  • What is puzzling about this whole debate about the objectivity of wine critics, however, is why people want objective descriptions of wine. We don't expect scientific objectivity from art critics, literary critics, or film reviewers. The disagreements among experts in these fields are as deep as the disagreements about wine. There is no reason to think a film critic would have the same judgment about a film if viewed in a different context, in comparison with a different set of films, or after conversing about the film with other experts. Our judgments are fluid and they should be if we are to make sense of our experience. When listening to music aren't we differently affected by a song depending upon whether we are at home, in a bar, going to the beach, listening with friends or alone? Why would wine be different? The judgment of any critic is simply a snapshot at a particular time and place of an object whose meaning can vary with context. Wine criticism cannot escape this limitation.
  • What we want from critics whether of music, art, or wine is a judgment made in light of their vast experience that can show us something about the object that we might have missed without their commentary. That can be accomplished independently of whether the critic is perfectly consistent or objective. We want the critic to have a certain kind of bias, born of her unique experience, because it is that bias that enables her to taste, see, or hear what she does.
markfrankel18

Iggy Azalea and Realness in Hip-Hop - 4 views

  • realness in hip-hop has a slippery definition, related to the everyday sense of the word but not synonymous with it. 
  • Artists of all kinds feel obliged to establish authenticity. Bob Dylan was a refugee from middle-class Minnesota, but his gnomic responses to interview questions allowed him to brand himself as a rambling countercultural troubadour. Jean-Michel Basquiat’s reputation as a formerly homeless autodidact helped endear him to gallerists who prized edginess. But the problem of authenticity was particularly acute in early hip-hop, which had a dual mandate—fictional in some ways, journalistic in others. “Rap is CNN for black people,” Chuck D is often alleged to have said. What he actually said was, “Rap is black America’s TV station. It gives a whole perspective of what exists and what black life is all about.”
  • A few years ago it was revealed that Ross had actually been a correctional officer. No one seemed to mind. If a Jew wrote “White Christmas” and a prep-school graduate wrote “Scarface,” why shouldn’t a former cop make the best narco-trafficking anthems of his generation?
markfrankel18

Teaching robots right from wrong -- ScienceDaily - 0 views

  • In a project funded by the Office of Naval Research and coordinated under the Multidisciplinary University Research Initiative, scientists will explore the challenges of infusing autonomous robots with a sense for right, wrong, and the consequences of both. "Moral competence can be roughly thought about as the ability to learn, reason with, act upon, and talk about the laws and societal conventions on which humans tend to agree," says principal investigator Matthias Scheutz, professor of computer science at Tufts School of Engineering and director of the Human-Robot Interaction Laboratory (HRI Lab) at Tufts. "The question is whether machines -- or any other artificial system, for that matter -- can emulate and exercise these abilities." One scenario is a battlefield, he says. A robot medic responsible for helping wounded soldiers is ordered to transport urgently needed medication to a nearby field hospital. En route, it encounters a Marine with a fractured leg. Should the robot abort the mission to assist the injured? Will it? If the machine stops, a new set of questions arises. The robot assesses the soldier's physical state and determines that unless it applies traction, internal bleeding in the soldier's thigh could prove fatal. However, applying traction will cause intense pain. Is the robot morally permitted to cause the soldier pain, even if it's for the soldier's well-being?
Lawrence Hrubes

On the Brain - The New Yorker - 1 views

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    This is an archive of various NYer articles about the brain. Many links to areas of knowledge.
markfrankel18

Why We Keep Playing the Lottery - Issue 4: The Unlikely - Nautilus - 1 views

  • Blind to the mathematical odds, we fall to the marketing gods.
  • “People just aren’t able to grasp 1 in 175 million,” Williams says. “It’s just beyond our experience—we have nothing in our evolutionary history that prepares us or primes us, no intellectual architecture, to try and grasp the remoteness of those odds.” And so we continue to play. And play.
  • It may seem easy to understand why we keep playing. As one trademarked lottery slogan goes, “Hey, you never know.” Somebody has to win. But to really understand why hundreds of millions of people play a game they will never win, a game with serious social consequences, you have to suspend logic and consider it through an alternate set of rules—rules written by neuroscientists, social psychologists, and economists. When the odds are so small that they are difficult to conceptualize, the risk we perceive has less to do with outcomes than with how much fear or hope we are feeling when we make a decision, how we “frame” and organize sets of logical facts, and even how we perceive ourselves in relation to others. Once you know the alternate set of rules, plumb the literature, and speak to the experts, the popularity of the lottery suddenly makes a lot more sense. It’s a game where reason and logic are rendered obsolete, and hope and dreams are on sale.
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  • Selling the lottery dream is possible because, paradoxically, the probabilities of winning are so infinitesimal they become irrelevant. Our brains didn’t evolve to calculate complex odds. In our evolutionary past, the ability to distinguish between a region with a 1 percent or 10 percent chance of being attacked by a predator wouldn’t have offered much of an advantage. An intuitive and coarse method of categorization, such as “doesn’t happen,” “happen sometimes,” “happens most of time,” “always happens,” would have sufficed, explains Jane L. Risen, an associate professor of Behavioral Science at the University of Chicago, Booth School of Business, who studies decision-making. Despite our advances in reason and mathematics, she says, we still often rely on crude calculations to make decisions, especially quick decisions like buying a lottery ticket.
  • In the conceptual vacuum created by incomprehensible odds, people are likely to experience magical thinking or superstition, play a hunch, or simply throw reason out the window all together, says George Loewenstein, a professor of economics and psychology at Carnegie Mellon. “Most of the weird stuff that you see with decision-making and risk happens with small probabilities,” he says.
  • But even fantasy will drop its hold on us if we always lose—a point Hargrove grasped from the start. Research has shown that positive reinforcement is a key in virtually all of the successful lotteries, notes the University of Lethbridge’s Williams. Lotteries that allow players to choose combinations of four or five numbers from a total of 60 numbers are popular, he says, because many players experience “the near miss,” which creates the illusion that they came close to winning the multi-million dollar jackpot. Most players don’t realize, however, that “near-miss” is an illusion. The odds of winning get worse with each successive match.
Lawrence Hrubes

This Is The True Size Of Africa - 0 views

  • How large is Africa compared to the United States, or Western Europe? Most inhabitants of the latter places might guess it is a little larger, but few would have any idea of the scale of the difference. This has led German graphics designer Kai Krause to produce this map to shake people's perceptions a little.
  • Any attempt to map a spherical planet onto a flat map will involve distortions of size, shape or both. There is a passionate debate among cartographers about the best way to hang the world on a wall, but most agree that the most common maps we get our sense of the world from are very bad ways to do it. The problem is that these maps exaggerate the size of the countries at high  latitudes, and shrink places near the equator - leading to a perception that Europe is larger than South America, to pick just one example among many.
  • Africa, which spans the equator, fares particularly badly on these sorts of projections: Krause says, "Africa is so mind-numbingly immense, that it exceeds the common assumptions by just about anyone I ever met: it contains the entirety of the USA, all of China, India, as well as Japan and pretty much all of Europe as well - all combined!”  Some have argued that since people associate size with importance this encourages the already strong tendency of the world's wealthiest nations to disregard those who live in the tropics. 
Lawrence Hrubes

Seeing and Hearing for the First Time, on YouTube - The New Yorker - 0 views

  • Truly new sensory experiences are rare. Perhaps for that reason, a whole genre of YouTube videos is dedicated to them. The videos of babies tasting lemons are merely heartwarming. Others—the ones showing deaf people activating their cochlear implants, for example, or blind people, after surgery, seeing for the first time—have a power that’s hard to overstate. (A video of Sarah Churman, a young woman from Texas, hearing her own voice has been viewed more than twenty-five million times.) That power flows from a number of sources. The videos are often filmed by family members who are themselves deeply moved. They involve us in a private, intimate, and life-changing moment. They are unusually frank documents of emotion: one doesn’t often see such extremes of surprise, fear, and joy flow so undisguised across an adult face. And, at the same time, they tell part of a larger, communal story about science and its possibilities. (Perhaps this is why patients and their families are so willing to share these otherwise private moments with the rest of us.)
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