1.   Further, no firm experimental evidence shows that these drugs diminish regional cerebral blood flow in migraineurs.

2.   It is commonly due to globally diminished cerebral blood flow, which May be caused by a variety of mechanisms.

3.   The relief of pain by oxygen inhalations, which reduce cerebral blood flow, also suggests that this is a factor.

4.   The increasing impairment of cerebral blood flow that accompanies senescence results in a greatr tendency to neuropsychiatric disturbances.

5.   An unexpected increase in cerebral blood volume was observed during mechanical ventilation of a premature infant suffering from hyaline membrane disease.

6.   Animal and human studies have shown that nicotine can enhance learning, memory, cerebral blood flow and the performance of certain repetitive tasks.

7.   It uses a neural network to analyze the brain scans of patients, looking for telltale characteristics in cerebral blood flow.

8.   Ratey cited a variety of research in animals and humans, showing how physical exercise increases cerebral blood flow and levels of a brain-cell growth hormone.

9.   Estrogen may stimulate the brain to repair itself or increase cerebral blood flow and cerebral glucose use, it says.