What A T-Shirt Slogan Taught Me (A Neuroscientist) About My Brain.
April 06, 2026
People often delay decisions while waiting for certainty.
A clearer signal.
More data.
A safer moment.
But uncertainty rarely disappears on its own.
Progress usually begins when something produces feedback.
Claude Shannon’s information theory defined information as the reduction of uncertainty.
Later decision science extended this idea:
Learning happens when actions generate informative outcomes.
Not when decisions are postponed.
In uncertain environments, movement often teaches faster than analysis alone.
Some decisions mainly test what you already believe.
Others reveal how reality actually works.
Research on exploration and information-seeking shows that people frequently choose actions that reduce uncertainty, even when those actions don’t maximize immediate reward.
Because one choice may succeed…
…but another may teach more.
Information-rich decisions tend to:
An informative failure is not wasted effort.
Learning research consistently shows that error feedback helps update predictions and improves future performance.
Each outcome, success or failure, refines your internal model of the system.
Accuracy improves after feedback.
Not before it.
Learning speed depends less on perfect planning and more on feedback timing.
Iterative environments where actions quickly produce signals, allow faster adaptation than long periods of analysis followed by delayed outcomes.
Short feedback loops help decisions evolve in real time.
Maintaining clarity across repeated experimentation requires sustained cognitive engagement conditions tools like Numin are designed to help support during extended thinking and decision cycles.
The goal isn’t avoiding mistakes.
It’s learning faster than uncertainty grows.
Shannon CE. A Mathematical Theory of Communication.
Jensen et al., Information-Theoretic Decision Making Under Uncertainty — PNAS.
Explore–Exploit Decision Framework Reviews — Nature Human Behaviour.
Motor Learning & Feedback Frequency Studies — Human Movement Science.
Iterative Learning & Organizational Feedback Loops Research.