Although some neurophysiological studies have showed cortical excitability changes during different phases of the migraine cycle, the pathophysiological mechanisms underlying attacks recurrence remain unknown.
Early accumulation of H2O2 in mesophyll cells underlying attacked epidermal cells is proposed to be critical for the establishment of race specific resistance [ 25, 26].
This theory of heightened attack susceptibility during the transitioning from one state to another may give important clues as to the potential mechanisms that underlie attack initiation.
Cortical spreading depression (CSD), a phenomenon underlying migraine attack, may be responsible for hippocampus-related symptoms.
Underlying this attack against the Voting Rights Act, and other critical civil rights law, is the theory that our Constitution generally requires our laws to be "colorblind" and treat citizens the same regardless of racial differences.
Most worrisome of all, we have grown so accustomed to this divide that we no longer flinch at the brazen political attacks on either side — even when the logic underlying these attacks is hard to fathom.
But in the highest-level statement on the killings, Prime Minister Wen Jiabao said only that China needed to resolve "social tensions" underlying the attacks.
Underlying these attacks on Russian journalists is the nature of modern Russian society, and the sophisticated autocratic state created by Putin, in which the media play a key role.
After the London attacks, there is less talk of understanding the despair that motivates suicide-bombers, and more recognition that, as Tony Blair has put it, there is an evil ideology underlying the attacks.
Re "Romney Secures G.O.P. Nomination After Long Quest" (front page, Aug. 29): Underlying the attacks from Mitt Romney and Representative Paul D. Ryan, reiterated Tuesday night by Ann Romney and Gov. Chris Christie of New Jersey, is the premise that President Obama has failed the country.
