Quantifiable biological or behavioral metrics used to assess the efficiency and capacity of higher-order brain functions, including attention, executive control, and memory consolidation. These indicators often reflect underlying neuroendocrine and metabolic status.
Origin
Derived from psychometrics and functional neuroimaging, these indicators have been adapted to correlate with systemic physiological states, especially those influenced by hormonal milieu. They serve as tangible endpoints for assessing neurological wellness.
Mechanism
Key indicators include reaction time variability, working memory capacity tests, and the stability of electrophysiological markers like event-related potentials. Hormonally, indicators may correlate inversely with systemic inflammation markers or positively with free testosterone or thyroid hormone free fractions, reflecting optimized central nervous system support.
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