Pain & Central Nervous System Week
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Headache and Migraine
New data from National University illuminate research in headache and migraine
November 23rd, 2009
"To delineate if the change in cortical excitability persists across migraine attacks, visual evoked magnetic fields (VEF) were measured in patients with migraine without aura during the interictal (n = 26) or peri-ictal (n = 21) periods, and were compared with 30 healthy controls. The visual stimuli were checkerboard reversals with four different check sizes (15', 30', 60' and 120')," scientists in Taipei, Taiwan report. "For each check size, five sequential blocks of 50 VEF responses were recorded to calculate the percentage change of the P100m amplitude in the second to the fifth blocks in comparison with the first block. At check size 120', interictal patients...
Source: Pain & Central Nervous System Week (2009-11-23)
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