The sustained ability to process a high volume of complex information over extended periods without significant degradation in accuracy or speed. This speaks to the overall functional capacity of the brain’s working memory and attentional resources. It is about endurance for complex thought.
Origin
A term blending information theory with clinical neuroscience, focusing on the sustained rate of cognitive work rather than transient peak performance. It addresses the system’s capacity to handle continuous demand.
Mechanism
Maintenance requires consistent delivery of metabolic substrates and stable hormonal signaling to support sustained neuronal firing rates. Adequate levels of adrenal support, specifically cortisol availability for managing sustained focus, are critical components. Furthermore, minimizing chronic systemic inflammation preserves the microenvironment necessary for prolonged cognitive effort.
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