The map can narrow your attention
Strictly following turn-by-turn directions can pull you into attentional tunneling: concentrating so tightly on the next instruction that you notice less of the place around you. In an unfamiliar city, your attention keeps returning to the screen—checking the blue dot, anticipating a turn, and confirming that you are still on route. Nearby details become background.
That matters because getting around is also how you learn a place. When you choose a street by looking at landmarks, noticing a plaza, or remembering a turn, you build a rough mental map: which streets connect, what lies near the station, and how to find your way back. A navigation app can do that work for you, leaving fewer landmarks and relationships to remember.
The route becomes the whole experience
The trap is not using a map; it is treating the suggested route as the only useful way through the city. A small detour may reveal a market, an unusual building, or a street that helps you understand the neighborhood. If every deviation feels like an error to correct, exploration starts to look like inefficiency.
A simple counterweight is to use directions to reach a general area, then look up and navigate by visible landmarks for a stretch. You still have a safety net, but the city—not just the next arrow—gets a chance to become part of your memory.
