Journal of Cerebral Blood Flow & Metabolism

TABLE 2

FROM:

Cerebral Oxygen/Glucose Ratio is Low During Sensory Stimulation and Rises Above Normal During Recovery: Excess Glucose Consumption During Stimulation Is Not Accounted for by Lactate Efflux From or Accumulation in Brain Tissue

Peter Lund Madsen, Nancy F Cruz, Louis Sokoloff and Gerald A Dienel

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Table 2. Metabolite levels in cerebral cortex before, during, and after sensory stimulation

 Sensory Stimulation
Metabolite Concentration (mumol/g)Before(n = 39)During (n = 8)After (n = 13)
Values are mean plusminus SD of number of experiments indicated in parentheses.
Glucose2.8 plusminus 0.53.1 plusminus 0.53.2 plusminus 0.6*
Lactate1.0 plusminus 0.51.9 plusminus 0.4* 1.2 plusminus 0.7
Glycogen6.1 plusminus 1.45.4 plusminus 1.34.8 plusminus 1.2*

*  P < 0.05, statistically significantly different from values before stimulation.

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