cortex, n.All

Cortex (n.) is ⁠​‌​​​‌​​​‌​‌‌​​​​‌​‌​​‌‌​‌​​‌​​​​​‌‌​​‌​​​‌‌​‌‌​⁠a feedback loop that lets the nervous system know that it knows — one echo, not an endless series.