Finding your own way uses the hippocampus, the brain's map-maker and memory centre. Following turn-by-turn directions switches it off. In one study, people who used satnav more had worse spatial memory over time. Evidence: worth trying
A new route is a small dose of novelty, which the brain rewards on its own. Same for a new café, a new lift in the gym, a new walk with the dog.
Same theme: Keeping the brain plastic
Keeping the brain plastic
Ask someone to explain their thing
Once a week, get someone to explain something from their world that you don't understand. Follow it properly. Ask the stupid question.
20 minEvidence: worth trying
Keeping the brain plastic
Assume you can get better at it
When you're bad at something, treat it as "not yet" rather than "not me".
no timeEvidence: worth trying
Keeping the brain plastic
Delete the brain-training app
If the goal is a sharper head, swap the app time for a real skill. The app makes you better at the app.
no timeEvidence: solid