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...majority view: when sounds were played to the sleeping brain, the EEG patterns indicated activity - signaling that perhaps certain memories were being revisited - and this processing appeared to strengthen memories. "The meow somehow stimulated the association of the cat with a certain position on the screen," suggests Jan Born, a memory and sleep researcher at the University of Lübeck in Germany, who was not involved in the new study...
...Born and his team have also been able to influence memory recall during sleep - not with sounds, but with odors. In that study, published in March 2007 in Science, researchers asked people to play a memory card game while the smell of roses wafted through a special face mask. Later that night, when the participants were fast asleep, the same odor was delivered to some of them. The following morning, each person played the same game, and the results were clear: the players who got the nighttime rose odor were significantly better at remembering the card pairs than the group...
Commenting on the new paper, Born suggests that using sounds is more effective than smells because it lets you choose the memories you want to promote. "Auditory stimuli have the advantage that they can be very specifically linked to visual stimuli," says Born. "With odors, this kind of thing is not possible...
Thomas Vitale, a Syfy Channel executive, signed up for Mozy in early October, largely to safeguard his trove of family pictures. He and his wife have taken photos of each of their three daughters every day since they were born. Every month or so, he backs up the 25,000 photos, 1,000 videos and other files from nearly 25 years of PC use - which take up about 125 gb on his home computer in Manhattan - on an external hard drive that is not connected to his computer in order to keep it safe from viruses. In between these external...
...September, researchers at the University of Washington reported in the journal Nature that they had produced color vision in squirrel monkeys, which are normally born colorblind. Using a tiny syringe, researchers injected the single missing gene for color vision into the monkeys' eyes. The result was clear: monkeys that previously could not distinguish red, green and gray were easily able to pass a simian equivalent of a color-detection test. (See the top 10 medical breakthroughs...