Essay

The Frequency Filter: How the Brain Tunes Reality

Why perception is biology — and coherence is the new intelligence.

Chelsea M. Thacker · October 9, 2025

The world isn’t getting crazier — our nervous systems are clearing static.

The full essay is published on Substack. This page holds its place in Living Terrain, where it connects to the rest of the work.

Where this sits

Also belongs to