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POPSClues to Why We Dream at All ... In a recent paper in Psychological Bulletin, Dr. Nielsen and Dr. Levin proposed that dreaming served to create what they call “fear extinction memories,” the brain’s way of scrambling, detoxifying and finally discarding old fearful memories, the better to move on and make synaptic space for any novel threats that may show up at the door. “The brain learns quickly what to be afraid of,” Dr. Nielsen said. “But if there isn’t a check on the process, we’d fear things in adulthood we feared in childhood.” Ordinary bad dreams rarely recapitulate unpleasant events from real life but instead cannibalize them for props and spare parts, and through that reinvention, Dr. Nielsen explained, the fears are defanged. “A bad dream that doesn’t lead to awakening is successful in dealing with intense emotion,” he said. “It’s disturbing, but there is some kind of resolution to the extent we don’t wake up.” ...
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POPSVirtual Barber Shop (Audio...use headphones) You've gotta love your brain and the way it can translate phase and timing differences in sound into a spatial map, without you really having to think about it. You'll need headphones for this to work.
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POPSSnag Films -The Documentary Widget Many of the most prominent documentary filmmakers are participating not only by having their films distributed via SnagFilms, but by engaging with their audience through blogs and offering special “bonus” material, as well as suggesting nonprofit organizations that viewers motivated by these films can link to and support via charitable contributions, volunteering or spreading the word.
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POPSThe future of Mind Control research is showing that the brain can act independently of the body. One day, you could be sitting in an office and controlling a device from across the room—or in another building. And it’s not just flicking a switch. It could be a nanotool that’s moving through a tiny environment, and you can control it and see what it’s seeing.” That kind of extension could lead to new spectrums of scale and force, not to mention new kinds of sensory input altogether. Instead of merely imagining that you’re grasping a nanotool with virtual fingers, you could learn to pilot it like a minuscule spaceship—only with your mind. And if that device had any sensors, you might be able to process the data as though it were a tiny camera.
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POPSVirtual Unreality (Part 1) This speculation about virtual worlds, besides being fun, reflects on the very deep question of Freedom, freedom of the mind, that is. What is freedom? How much freedom can we really take? How are we going to be if and when we become free. Continue to the second part of this clip...
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