Acetylcholine and Attention: The Focus Crisis | MindLAB

Acetylcholine Depletion and the Attention Crisis: Why Your Focus Erodes Before Your Energy Does Acetylcholine and attention operate on a dual neural system: a sub-second phasic burst that detects incoming cues and a slower tonic signal that holds sustained analytical focus across minutes. Chronic stress depletes the tonic system first, which is why reactive alertness stays sharp while concentrated work collapses. ...

May 4, 2026 · 14 min · 2979 words · Dr. Sydney Ceruto