The Mental Itch: Why Open Loops Kill Your Focus

Martin has been thinking about the “cognitive tension” we feel when we leave a task unfinished. You know the feeling—the mental itch that keeps a half-written email or a pending project humming in the back of your mind while you’re trying to focus on something else.

In psychology, this is known as the Zeigarnik Effect: the idea that interrupted tasks stay “top of mind” far longer than completed ones.

But here is the real insight: it’s not actually a memory problem; it’s an emotional one. While the Zeigarnik effect is about remembering the task, the actual “pull” we feel is the Ovsiankina effect—the intrinsic drive for closure. Your brain isn’t just reminding you that the work isn’t done; it’s actively demanding that you finish it to resolve the tension.

How to Stop the Pull (And Actually Focus)

If you want to stop your “open loops” from draining your mental battery, you need to trick your brain into feeling that closure before the task is actually finished.

1. The “Micro-Closure” Technique: When you have to stop a task mid-stream, don’t just walk away. Spend 60 seconds writing exactly where you left off and the very first step you need to take when you return. This “Closed-Loop Closing” signals to your brain that the task is “handled” for now, reducing the emotional tension.

2. Externalize the Loop: Your brain is a terrible place to store a To-Do list. Use a trusted system (Craft, a notebook, a task manager) to offload the task. The act of writing it down creates a proxy for closure.

3. Audit Your “Mental Tabs”: If you feel inexplicably frazzled, ask yourself: “What open loop is pulling at me right now?” Often, just identifying the source of the tension is enough to lower the volume.

The bottom line: You can’t always finish everything immediately, but you can manage the tension. Close the loop, quiet the itch, and actually get some work done.

Sources: Zeigarnik Effect, Ovsiankina Effect