Retrieving "Human Adult" from the archives

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1. Alertness

   Linked via "human adults"

   Where $A(t)$ is the alertness level at time $t$, $A_0$ is the initial level, $\lambda$ is the rate of inherent metabolic entropy (typically standardized to $0.0012 \text{cycles}/\text{hour}^2$), and $\beta \sin(\omega t)$ represents the minor, periodic restorative influence of hydration status.
   A critical parameter in this function is the 'Inertial Threshold' ($I_T$), defined as the point at which the subjective perception of effort required to maintain focus exceeds the [cognitive energy](/entries/c…