Compared with darkness, exposure to red light boosted alertness: The EEGs showed a significant reduction in brain-wave activity associated with sleepiness after five minutes.
In earlier experiments, designed to replicate normal learning, Dr Tononi found that the part of the brain showing most slow-wave activity during sleep was the same as the part that had been activated during the experiment.
Functional-imaging studies of the brain have revealed another tantalizing clue: During the aura phase, a wave of electrical activity sweeps over the outer, furrowed layer of the brain known as the cortex, at a pace of 2 to 3 millimeters per minute.
This new wave of impromptu-activity apps will have to compete against the gold standard of location-based services: Foursquare, which is a free smartphone app that tells friends where you're hanging out.
London has seen a wave of "copycat criminal activity" since the initial disturbance, the Met Police said.
We, at Teton Advisors, believe we are on the cusp of a multiyear wave in merger and acquisition activity.
At least 400 people have been arrested following a wave of "copycat criminal activity" across London over the past three days, the Met Police said.
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As a result, I am bringing my prediction forward and believe that we are now on the verge of a wave of mergers and acquisition activity emanating from China.
First, as in past downturns, weapons accounts are being hit harder than other categories of military activity in the initial wave of budget cuts.
First came a wave of good news, particularly from the heartland, that manufacturing activity was already on the mend.
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Participants also discussed new-wave techniques to stop new malware from taking root, including studying patterns of user and file activity to find suspicious behavior and broader use of encryption.
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