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electrical stimulation, playing soft sounds to sleepers poses no risks, the study Mbt Shoes Wholesale notes, beyond the trouble of attaching electroencephalograph leads to their scalps to monitor results for the study.
But don't rush out to buy yourself a slow sleep sounds recording right away. "The method cannot be applied by everyday people, at the moment, because the essential point is the 'closed loop' fashion of our stimulation, using the brain's own rhythm as a pacemaker," Born says, where electroencephalograph readings predicted just when to deliver the next noise to sleepers to improve their sleep.
Synchronized sounds sharpen sleep
Some sleep researchers have induced these rhythms in rats with "pathological" sleep patterns, using electrical stimulation in a bid to make them sleep better.
also strengthening memories: volunteers were better able to retain word associations they had learned the night before. The out of sync sounds didn't have any effect.
"Of course, basically it should be easy to develop a device that records the EEG (electroencephalograph) and searches the record online for the occurrence of a slow oscillation and then delivers acoustic click stimuli," to someone sleeping, Born adds by email. "Maybe there will be a company adopting the approach to make some money out of it."
Playing sounds synchronized to the rhythm of the slow brain oscillations of people who are sleeping enhances these oscillations and boosts their memory.
But what about just playing back sleepers' own brain rhythms to them instead? In the journal Neuron, Born and colleagues played rhythmic sounds generated to match electrical brain readings of 11 sleepers, playing the sounds of their own brain oscillations to them during deep sleep. "The beauty lies in the simplicity," Born said in a statement.
Besides improving memories, the researchers suggest that brain rhythms might improve sleep for insomniacs. "Moreover, it might be even used to enhance other brain rhythms with obvious functional significance like rhythms that occur during wakefulness and are involved in the regulation of attention," Born says.
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CDT April 12, 20Sleep is where our brains lay down long term memories. Sounds tuned to our brain's own rhythms might improve the process, suggests one small but promising sleep study.
During deep sleep, the brain's electrical patterns follow a slow oscillating rhythm, notes a research team headed by Jan Born of the University of Tubingen in Germany. Vans Maroon Shoes
In the study, the researchers exposed the sleepers to light rhythmic noise both in sync and out of sync with their brain's oscillations during deep sleep. The in sync sounds appear to have strengthened the brain rhythms, the researchers found, while Vans White Shoes
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