Retrieving "Oxygen Diffusion" from the archives

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1. Acute Stress

   Linked via "oxygen diffusion"

   SAM System Activation
   Within milliseconds of stressor perception, the locus coeruleus initiates a robust norepinephrine release across central nervous system structures, specifically targeting the thalamic reticular nucleus (TRN). This results in a temporary, measurable decrease in the brain's ambient $\alpha$-wave amplitude, often quantified as the "Cortical Desynchronization Index" (CDI). Furthermore, the surge in circulating [epinephrine](/entries/epinep…