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anonymous

Is Neuroscience the Death of Free Will? - NYTimes.com - 0 views

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    "Is free will an illusion? Some leading scientists think so. For instance, in 2002 the psychologist Daniel Wegner wrote, "It seems we are agents. It seems we cause what we do… It is sobering and ultimately accurate to call all this an illusion." More recently, the neuroscientist Patrick Haggard declared, "We certainly don't have free will. Not in the sense we think." And in June, the neuroscientist Sam Harris claimed, "You seem to be an agent acting of your own free will. The problem, however, is that this point of view cannot be reconciled with what we know about the human brain." Many neuroscientists are employing a flawed notion of free will. Such proclamations make the news; after all, if free will is dead, then moral and legal responsibility may be close behind. As the legal analyst Jeffrey Rosen wrote in The New York Times Magazine, "Since all behavior is caused by our brains, wouldn't this mean all behavior could potentially be excused? … The death of free will, or its exposure as a convenient illusion, some worry, could wreak havoc on our sense of moral and legal responsibility." Indeed, free will matters in part because it is a precondition for deserving blame for bad acts and deserving credit for achievements. It also turns out that simply exposing people to scientific claims that free will is an illusion can lead them to misbehave, for instance, cheating more or helping others less. [1] So, it matters whether these scientists are justified in concluding that free will is an illusion. "
anonymous

Brain Scanners Can See Your Decisions Before You Make Them - 0 views

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    "You may think you decided to read this story -- but in fact, your brain made the decision long before you knew about it. In a study published Sunday in Nature Neuroscience, researchers using brain scanners could predict people's decisions seven seconds before the test subjects were even aware of making them. The decision studied -- whether to hit a button with one's left or right hand -- may not be representative of complicated choices that are more integrally tied to our sense of self-direction. Regardless, the findings raise profound questions about the nature of self and autonomy: How free is our will? Is conscious choice just an illusion? "Your decisions are strongly prepared by brain activity. By the time consciousness kicks in, most of the work has already been done," said study co-author John-Dylan Haynes, a Max Planck Institute neuroscientist. Haynes updated a classic experiment by the late Benjamin Libet, who showed that a brain region involved in coordinating motor activity fired a fraction of a second before test subjects chose to push a button. Later studies supported Libet's theory that subconscious activity preceded and determined conscious choice -- but none found such a vast gap between a decision and the experience of making it as Haynes' study has. In the seven seconds before Haynes' test subjects chose to push a button, activity shifted in their frontopolar cortex, a brain region associated with high-level planning. Soon afterwards, activity moved to the parietal cortex, a region of sensory integration. Haynes' team monitored these shifting neural patterns using a functional MRI machine. Taken together, the patterns consistently predicted whether test subjects eventually pushed a button with their left or right hand -- a choice that, to them, felt like the outcome of conscious deliberation. For those accustomed to thinking of themselves as having free will, the implications are far more unsettling than learning about the physiological basis
anonymous

Dr. Michael Lewis - Eyewitness Identification Test - 0 views

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    "This study investigates eyewitness identification.You will be asked to study a face and to pick it out of a line up later. You will also be asked to answer a number of general knowledge questions and to reflect on how confident you are of your answers. This study is being conducted by Dr Michael Lewis from Cardiff University who can be contacted via the following email address: lewismb@cardiff.ac.uk. This study will take approximately 5 minutes to complete. Participation in this study will not involve any known risks and data gathered in the study will be confidential and for research purposes only. Note, however that there is a negligible possibility that your responses could be viewed by unauthorized third parties. You are free to withdraw from the study at any time without penalty or loss of benefits to which you are otherwise entitled. If you are 18 or over, understand the statement above and freely consent to participate in this study then click on the "I Agree" button to begin the study."
anonymous

All In The Mind - ABC.AU - 0 views

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    We humans are such complex beasts. Why is it that we can be so wonderful and yet so awful, eccentric and prosaic, enigmatic and obvious, witty and dull, and all of these at once? All in the Mind, presented by Natasha Mitchell, is Radio National's weekly foray into all things mental - a program about the mind, brain and behaviour. From dreaming to depression, addiction to artificial intelligence, consciousness to coma, psychoanalysis to psychopathy, free will to forgetting - All in the Mind explores the human condition through the mind's eye. Our mental machinery remains one of the greatest mysteries of this or any other age, performing for us the most incredible feats of perception, cognition and coordination. Scientists, theologians, philosophers and armchair psychologists alike have long debated its form and function. And yet, the mind, in all its madness and brilliance, continues to elude us. All in the Mind brings together unexpected voices, themes and ideas and engages with both leading thinkers and personal stories. Psychology and human behaviour are only part of the equation. The program's scope is considerably broader and explores themes in science, religion, health, philosophy, education, history and pop culture, with the mind as the key focus.
anonymous

The Autistic Hacker - IEEE Spectrum - 0 views

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    "A few months after the World Trade Center attacks, a strange message appeared on a U.S. Army computer: "Your security system is crap," it read. "I am Solo. I will continue to disrupt at the highest levels." Solo scanned thousands of U.S. government machines and discovered glaring security flaws in many of them. Between February 2001 and March 2002, Solo broke into almost a hundred PCs within the Army, Navy, Air Force, NASA, and the Department of Defense. He surfed around for months, copying files and passwords. At one point he brought down the U.S. Army's entire Washington, D.C., network, taking about 2000 computers out of service for three days. U.S. attorney Paul McNulty called his campaign "the biggest military computer hack of all time." But despite his expertise, Solo didn't cover his tracks. He was soon traced to a small apartment in London. In March 2002, the United Kingdom's National Hi-Tech Crime Unit arrested Gary McKinnon, a quiet 36-year-old Scot with elfin features and Spock-like upswept eyebrows. He'd been a systems administrator, but he didn't have a job at the time of his arrest; he spent his days indulging his obsession with UFOs. In fact, McKinnon claimed that UFOs were the reason for his hack. Convinced that the government was hiding alien antigravity devices and advanced energy technologies, he planned to find and release the information for the benefit of humanity. He said his intrusion was detected just as he was downloading a photo from NASA's Johnson Space Center of what he believed to be a UFO. Despite the outlandishness of his claims, McKinnon now faces extradition to the United States under a controversial treaty that could land him in prison for years-and possibly for the rest of his life. The case has transformed McKinnon into a cause célèbre. Supporters have rallied outside Parliament with picket signs. There are "Free Gary" websites, T-shirts, posters. Rock star David Gilmour, the former guitarist for Pink Floyd, even recorded
anonymous

Experimental Psychology Tutorial: Free, Easy To Follow & Not Scary At All - 0 views

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    "Anyone considering, or already studying psychology will have to learn about and understand research methods and statistics. The fact that research methods and statistics is nearly always compulsory should immediately alert you to its importance. In order to critcally evaluate the findings of key studies you need to be aware of how the data supporting those findings came about; and you can't seriously hope to conduct your own research with confidence unless you have a clear idea how to design, execute and analyse your investigation. When I first started supervising research dissertations and psychology projects I came across a large number of students who refused to consider doing anything other than indepth interviews, whether such an approach was appropriate for their particular invesigation or not. The most common reason for this was the incorrect assumption that qualitative research methods (text based) are much easier to understand and carry out proficiently than Quantitative (number based) research methods. "
anonymous

Telling the Story of the Brain's Cacophony of Competing Voices - NYTimes.com - 0 views

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    "The scientists exchanged one last look and held their breath. Everything was ready. The electrode was in place, threaded between the two hemispheres of a living cat's brain; the instruments were tuned to pick up the chatter passing from one half to the other. The only thing left was to listen for that electronic whisper, the brain's own internal code. The amplifier hissed - the three scientists expectantly leaning closer - and out it came, loud and clear. "We all live in a yellow submarine, yellow submarine, yellow submarine ...." "The Beatles' song! We somehow picked up the frequency of a radio station," recalled Michael S. Gazzaniga, chuckling at the 45-year-old memory. "The brain's secret code. Yeah, right!" Dr. Gazzaniga, 71, now a professor of psychology at the University of California, Santa Barbara, is best known for a dazzling series of studies that revealed the brain's split personality, the division of labor between its left and right hemispheres. But he is perhaps next best known for telling stories, many of them about blown experiments, dumb questions and other blunders during his nearly half-century career at the top of his field. "
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