It's a correlation, not a causation, in my experience.
It's likely that the brain chooses the path of least resistance toward dopamine.
Sometimes, just choosing to not be lazy clears it because then not being lazy and doing the darn thing provides enough of a dopamine hit in itself.
It can be changed consciously.
There is also the fear of the unk own but one has to then know that no matter what, they will figure it out. That can be a self-confidence issue. Related to the first point still.
It's likely that the brain chooses the path of least resistance toward dopamine.
Sometimes, just choosing to not be lazy clears it because then not being lazy and doing the darn thing provides enough of a dopamine hit in itself.
It can be changed consciously.
There is also the fear of the unk own but one has to then know that no matter what, they will figure it out. That can be a self-confidence issue. Related to the first point still.