Movement Plus Cognitive Challenge
Pair physical effort with navigation, strategy, or rapid decisions
- Difficulty
- Easy
- Time to result
- ~weeks to results
- Steps
- 4
- Confidence
- 90%
Start with a form of movement you can maintain, then add a task that requires navigation, strategy, memory, or rapid reactions. Raichlen points to an orienteering trial in which participants outperformed hikers and controls on cognitive tests, while noting that the wider field is still early. He also describes animal research in which running plus an enriched environment produced more new-neuron growth and survival than either condition alone; that result should not be treated as direct proof in humans. Practical versions include taking unfamiliar walking routes, navigating with a map, or playing a racket sport. The mechanism proposed in the episode is that physical activity and cognitive engagement provide complementary demands rather than a repeated, automatic workout alone.
Origin
Extracted from The Diary of a CEO
Core principles
- 01Physical and cognitive challenges may reinforce each other
- 02Novel environments demand more attention than repeated routes
- 03An enjoyable activity is more useful than an ideal one you abandon
How to run it
- 1
Anchor the movement habit
Select an aerobic activity you can perform consistently and safely. The guest prioritizes getting active before optimizing the activity.
Pro tip Choose the activity you genuinely want to keep doing.
Watch out Do not let the search for an ideal exercise stop you from moving.
- 2
Add a cognitive demand
Introduce navigation, strategic choices, memory, or fast reactions while moving. Keep the challenge appropriate to your ability and surroundings.
Pro tip A new walking route is a low-cost starting point.
Watch out Do not create a navigation challenge that compromises physical safety.
- 3
Change the environment
Use unfamiliar routes or outdoor settings so the activity does not become entirely automatic. Raichlen says evidence for extra cognitive benefits outdoors remains a hypothesis, while mood benefits have stronger support.
Pro tip Use parks or trails when they are accessible and air quality is suitable.
Watch out Do not present outdoor exercise as proven to grow the human brain.
- 4
Review adherence and response
After several weeks, assess whether the added challenge keeps you engaged and whether you are sustaining the exercise. Simplify the activity if complexity reduces consistency.
Pro tip Adherence is the primary success measure.
In the wild
In the randomized trial described by Raichlen, participants were assigned to orienteering, hiking, or a control group. After a couple of months, the orienteering group performed better on memory and executive-function tests than the hiking group, while both active groups outperformed the control group.
→ The combined navigation and endurance activity was associated with the strongest cognitive-test performance in that study.
A regular walker replaces one familiar loop each week with a safe route through a different park, using landmarks and a map to navigate. The physical dose stays manageable while the route adds attention and spatial decisions.
→ The established walking habit gains a cognitive challenge without requiring a new sport.
Common mistakes
Treating early evidence as certainty
The guest describes promising human studies and stronger mechanistic evidence from rodents, not definitive proof that every combined activity produces human neurogenesis.
Adding complexity before consistency
Someone starting from inactivity should establish manageable movement before optimizing cognitive demands.
Is it for you?
Best for
People who already walk, run, hike, or play sport and want to add a cognitive dimension.
Not ideal for
People who need to establish safe, consistent movement before adding complexity.
From the transcript
“if you combine physical activity with cognitive challenges, you can boost the effects of physical activity”
“Maybe we should take new routes where you get a little lost and then have to find your way back”
From the episode
Brain Doctor: These Popular Sports Are Causing Brain Damage & The NFL Is Keeping This Devastating Disease Quiet!