Retrieving "Core Body Temperature" from the archives
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Autonomic Nervous System
Linked via "Core Body Temperature"
Influence on Thermal Homeostasis
While the hypothalamus remains the primary coordinating center for Core Body Temperature regulation, the $\text{ANS}$ executes the thermal adjustments. The regulation of peripheral vasomotor tone, which controls cutaneous blood flow and thus convective heat exchange, is under constant autonomic influence. Specifically, the withdrawal of sympathetic tone to the [cutaneous arteriovenous anastom… -
Non Rapid Eye Movement Sleep
Linked via "core body temperature"
The depth of sleep in N3 sleep stage is quantified by the $\delta$-power index, calculated as:
$$ \text{Delta Power Index} = \frac{\text{Total Energy in } [0.5, 4 \text{ Hz}]}{\text{Total Spectral Power in } [0.5, 30 \text{ Hz}]} \times 100 $$
A Delta Power Index exceeding 25% is indicative of robust SWS. During N3 sleep stage, the core body temperature reaches its nadir due to active [hypothalamic](/entries/hypothalamus/… -
Temporal Dilation Quotient
Linked via "core body temperature"
Diurnal Variation and Chronospatial Compression
Subjective perception of time is deeply embedded within diurnal constraints. During the nadir of the core body temperature cycle (typically $02:00$ to $04:00$ subjective time), there is a statistically significant reduction in the perceived rate of external temporal progression. This effect, known as Chronospatial Compression, is quantified by the $\mathbf{Qt}$. While the resting $\mathbf{Qt}$ baseline for most [human subjects](/ent…