Whether the emotion is anger, euphoria or fear, it triggers neurotransmitter changes that kick the brain into a hyper-alert state.
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This rhythmic moving back and forth between a sustained, trance-like state and the adrenaline-packed jolts tends to induce an overall contemplative yet alert state, akin to the feeling one has when driving on a long road trip on uncongested highways.
Codespear says the Michigan State Police will deploy its IP-based products for alert notifications and communication among state, county and municipal emergency managers and first responders.
With Europe under an unprecedented terror alert, the U.S. State Department has issued a travel alert, warning of potential terrorist attacks.
The border forces once were and may now still be at the highest state of alert.
And this is obviously a cause for concern and requires a heightened state of alert.
South Korea has put its armed forces on a high state of alert.
The CTC, fearful of another strike around the July 4 holiday, is "on a heightened state of alert, " says Bernazzani.
South Korea is currently on a high state of alert amid indications that the North is preparing for a missile test.
Yonhap also reported that the South's National Police Agency had raised its state of alert by one level from "attention" to "caution".
U.S. forces -- reacting to a heightened state of alert for terror attacks -- are braced for guerrilla assaults during the holiday season.
Spokesmen for New Jersey transit systems and Amtrak said they remained on a heightened state of alert, as they have been since early July.
Many governments were already on a heightened state of alert due to vague but persistent intelligence suggesting an attack may be imminent in Europe or elsewhere.
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But he left the two conflict-prone countries as he had found them aggressively divided by the half-century-old dispute over Kashmir as Pakistan's declaration of a state of alert demonstrated.
The U.S. Customs Service said the added scrutiny is not an overreaction to threats of terrorism, but the result of following procedures during a heightened state of alert.
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Three people were also wounded in the shooting, which came as Americans celebrated their first Independence Day since the 11 September attacks on a high state of alert.
On Friday, an American military official said U.S. forces in Europe are on a heightened state of alert in response to a deteriorating security situation in the Libyan capital.
When Russian sensors detected an ambiguous but potentially threatening situation, the standard procedures were followed, leading to a heightened state of alert and preparations for ordering a retaliatory strike.
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She tries to relax into a high state of alert, if that is at all possible, and then picks up Zaak's pungent body odor, the unwashed detritus of a qaat-chewer's unhealthy living.
Italian security forces were put on a heightened state of alert following the start of the U.S. and British attacks on Afghanistan, while the government activated a crisis unit to monitor the situation.
Today's New York Times reports that American and NATO forces in Bosnia are now on a high state of alert in light of a perceived threat from Islamic extremists still operating in Bosnia.
The interior ministry said Saturday it had lifted the scarlet state of alert, the country's highest security alert level, which was put in place in the Toulouse region following the third shooting on Monday targeting a school.
John Sullivan of the Boston Water and Sewer Commission testified that since September 11 the nation's drinking water utilities have been on a heightened state of alert to protect against the potential disruption of water service and biological or chemical contamination of drinking water.
The city went on high alert after the Islamic State of Iraq -- the insurgent umbrella group that includes al Qaeda in Iraq -- distributed leaflets to police in Samarra on Saturday, warning them that they have three days to "repent" or be killed.
These institutions can provide watch services and alert messages to any Member State of the region upon request.
Even after the state of heightened alert ends, Customs officials don't expect the slowdown at the border to abate much -- because the current volume of 6, 500 trucks a day through the Detroit crossing is expected to rise to more than 7, 000 next year.
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Obviously the alert that was issued by the State Department is based on information about potential threats in Europe.
Rob Jackson, chairman of the panel that coordinates the state's Amber Alert program, which is designed to quickly disseminate information about abducted children.
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The second and third victims, Amanda Berry and Gina DeJesus, went missing in 2003 and 2004, but police said Tuesday they didn't issue Amber Alerts at the time because they had no specific evidence of an abduction, which is part of the state criteria for an alert.
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