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Changes in brain's blood flow could cause 'brain freeze'
Date:4/22/2012

SAN DIEGO 'Brain freeze' is a nearly universal experiencealmost everyone has felt the near-instantaneous headache brought on by a bite of ice cream or slurp of ice-cold soda on the upper palate. However, scientists are still at a loss to explain this phenomenon. Since migraine sufferers are more likely to experience brain freeze than people who don't have this often-debilitating condition, brain freeze may share a common mechanism with other types of headaches, including those brought on by the trauma of blast-related combat injuries in soldiers. One possible link between brain freeze and other headache types is local changes in brain blood flow.

In a new study, Melissa Mary Blatt, Michael Falvo, and Jessica Jasien of the Department of Veterans Affairs New Jersey Health Care System, Brian Deegan and Gearold O Laighin of the National University of Ireland Galway, and Jorge Serrador of Harvard Medical School and the War Related Illness and Injury Study Center of the Veterans Affairs New Jersey Health Care System use brain freeze as a proxy for other types of headaches. By bringing on brain freeze in the lab in volunteers and studying blood flow in their brains, the researchers show that the sudden headache seems to be triggered by an abrupt increase in blood flow in the anterior cerebral artery and disappears when this artery constricts. The findings could eventually lead to new treatments for a variety of different headache types.

An abstract of their study entitled, "Cerebral Vascular Blood Flow Changes During 'Brain Freeze,'" will be discussed at the meeting Experimental Biology 2012 being held April 21-25 at the San Diego Convention Center. The abstract is sponsored by the American Physiological Society (APS), one of six scientific societies sponsoring the conference, which last year attracted some 14,000 attendees.

Bringing on Brain Freeze

According to study leader Serrador, previous studies meant to assess what physio
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Contact: Donna Krupa
dkrupa@the-aps.org
American Physiological Society
Source:Eurekalert

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