Depends on the type of code, for GUI related I visualize the interface as if it was in my IDEs GUI builder, where I mentally can double click a component to be switched to the relevant section of code.
I almost visualize flying through the GUI components to see code revealed underneath. I don't actually see lines of code (I guess my mental-visual resolution is too low) instead I sort of sense whats needed. I can 'feel' the code. What event listeners will be notified, what classes are needed, how the code flows, how it will mesh together.
But thats for when I am in design mode, when incurring technical debt and pushing towards a deadline my thinking is extremely non-visual, more auditory in nature as I verbally think though the problems in my head.
I almost visualize flying through the GUI components to see code revealed underneath. I don't actually see lines of code (I guess my mental-visual resolution is too low) instead I sort of sense whats needed. I can 'feel' the code. What event listeners will be notified, what classes are needed, how the code flows, how it will mesh together.
But thats for when I am in design mode, when incurring technical debt and pushing towards a deadline my thinking is extremely non-visual, more auditory in nature as I verbally think though the problems in my head.