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Article: Researchers from Johns Hopkins University, Medical Department discuss findings in cerebral blood flow.(Clinical report)
- Article from:
- Biotech Week
- Article date:
- August 5, 2009
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According to a study from the United States, "Although the subjective effects of caffeine abstinence, acute and chronic administration, and tolerance are well described, the corresponding neurophysiological effects are not. Caffeine withdrawal, acute caffeine effects, caffeine tolerance, and net beneficial effects of chronic caffeine administration were investigated using cerebral blood flow velocity, quantitative electroencephalography (EEG), and subjective effects."
"Sixteen regular caffeine users participated in this double-blind, within-subject study during which they received acute caffeine and placebo challenges (1) while maintained on 400 mg caffeine ...