If I could have any superpower it would be perfect control of attention.
It takes a lot of effort to consistently focus the laser beam, and doubly so when there’s too much context switching!
That is the sole goal of meditation/yoga: holding your mind in attention on a single atom of thought for 30 minutes.
It takes lifelong practice but can be done.
Yes, but it's not "simple thought", it's an atom of thought, one sound, one image, one syllable even. And that's a positive thing, not a negative thing.
Come back when you have been able to spend 30 minutes contemplating your navel. And only your navel. Nothing else. Not even a single other word or image.
We'll discuss further at that point at what advancement you've made or failed to make. :)
Retaining focus on a complex mental task and simple thought are not comparable. I can do both. Full dedication of the mind to one task is a state I readily enter into. She's asking for control of interrupts while in that state. This is so she isn't derailed by unimportant ...