Focus is sustained selective attention: keeping your mind on one
target long enough to make progress, while suppressing
distractions and competing tasks.
How It Works (Mechanism)
Working memory holds the “active problem” while irrelevant inputs
are filtered out.
Attention costs increase with each context switch (even quick
ones).
Emotional load competes for bandwidth and reduces stability.
Practical Levers
Lever
What it changes
Clarity
Fewer possible next steps → less internal branching.
Environment
Removes triggers that reopen loops (phone, tabs, noise).
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