Human Decision Lab™ · Newsletter

The Attention Lens

Weekly insights on attention, decisions, and human performance. Read by founders, leaders, and knowledge workers who take their cognition seriously.

No spam. Unsubscribe any time.

Sample Issues

What to expect.

Issue 01 Coming Soon

The Context Switching Tax: Why Your Brain Pays a Hidden Toll

Every time you switch tasks, you don't just lose the seconds it takes to refocus. You lose the depth of thought you had just built. We look at what the research actually says — and what it means for how you structure your day.

Issue 02 Coming Soon

Hyperfocus is Not a Superpower. It's a Signal.

The ability to enter states of intense, prolonged focus is celebrated in productivity culture. But hyperfocus is often a symptom of dysregulation — not a strength. Understanding the difference changes how you work with it.

Issue 03 Coming Soon

The 23-Minute Rule: What Interruptions Really Cost You

Gloria Mark's research at UC Irvine showed it takes an average of 23 minutes to fully regain focus after a single interruption. The implications for how we design our work environments are more serious than most people realize.