Grey Matter
Attention and memory
Why concentration runs out, why some days are harder than others, and what actually helps when it does.
Attention and memory
Why you cannot concentrate, and what actually helps
Concentration is not willpower. It is a limited resource with a specific shape, and most advice about it ignores the shape entirely.
Attention and memory
Working memory, and why complex tasks feel harder some days
Working memory is small, shared, and easily spent. Most productivity problems are really working-memory problems wearing a disguise.
Attention and memory
Mental fatigue and attention: four things worth noticing
Fatigue does not reduce attention evenly. It shortens how long you can sustain it, and that shows up in speed before it shows up in accuracy.