How to Improve Your Memory & Cognitive Function at Any Age | Dr. Alan Castel

Andrew Huberman

Jul 13, 2026

Episode description

Dr. Alan Castel, PhD, is a professor of psychology at the University of California, Los Angeles (UCLA) and one of the world's foremost experts on human memory and cognitive aging. We discuss what science actually tells us about how to improve our learning ability and memory at any age. We also discuss how memory works, why all planning and imagination about the future is based on the past, false memories, and how to leverage curiosity, emotion, and self-testing retrieval practice to stamp in memories for the long term. We discuss what "superagers"—people who actually improve their cognitive capacity with age—do differently than everyone else. This episode is for anyone interested in the science of memory and tools to maintain and improve your memory across the lifespan.

Show notes: https://go.hubermanlab.com/5RRf5z9

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Dr. Alan Castel
Lab website: https://castel.psych.ucla.edu
Book (Better with Age): https://amzn.to/4yl6tK8

Timestamps
00:00:00 Dr. Alan Castel
00:02:41 What Is Memory?, Reconstruction & Metacognition
00:04:49 Mnemonics, Remembering Names & Deeper Learning
00:08:22 The Penny & Apple Logo, Noticing vs Seeing, Learning Through Mistakes
00:10:43 Sponsors: Wealthfront & Helix
00:14:05 Neuroplasticity, Frustration, Curiosity & Mindset
00:17:42 Maintaining vs Learning New Things, Habits, Novelty & Emotional Memory
00:24:28 "Mental Photographs," Photo-Taking & Imagining the Future
00:29:28 Eyewitness Memory, the Ronald Cotton Case, Confidence vs Accuracy
00:35:07 Medium-Term & Prospective Memory, Hotel Fire Exits
00:40:28 Sponsor: AG1
00:41:47 When Habits Turn Lethal, Aviation & Human Error
00:49:01 Why Memory Changes With Age; Alzheimer's & the Nun Study
00:52:34 Exercise & Hippocampal Volume, Falls & Balance
00:57:14 SuperAgers & Athletes; Regret, Balance & Being Driven
01:12:08 Sponsor: Function
01:13:45 Age Stereotypes, Subjective Age & Positive Age Beliefs
01:20:02 Goals & Plans, Scams; Anterior Midcingulate Cortex & SuperAgers
01:26:23 Culture, Resilience, Blue Zones & COVID
01:29:18 Adversity, the Positivity Effect & Intergenerational Learning
01:36:31 Sponsor: Lingo
01:38:00 Limitations & Purpose; Time, Family & Connection
01:44:58 Deliberately Building Memories; the ABCs of Successful Aging
01:51:02 Following Your Interests; Castel's Path & Older Adults
01:57:16 Mental Simulations, Curiosity Studies & Selectivity
02:01:19 Socioemotional Selectivity Theory; Steve Jobs & Lifespan
02:07:10 The Secret to Successful Aging; State vs Trait Curiosity
02:11:04 Scams & AI Voice Cloning
02:14:31 John Wooden, Wisdom, Love & Balance
02:17:41 Learning Through Mistakes; Does the Brain Get Better With Age?
02:25:00 Conclusion, Better With Age
02:26:00 Zero-Cost Support, YouTube, Spotify & Apple Follow, Reviews & Feedback, Sponsors, Protocols Book, Social Media, Neural Network Newsletter

*This experience may not be representative of other Wealthfront clients, and there is no guarantee of future performance or success. Experiences will vary. Andrew Huberman receives cash compensation from Wealthfront Brokerage for paid testimonials in his podcast, creating a conflict of interest. The Cash Account, which is not a deposit account, is offered by Wealthfront Brokerage LLC, member FINRA/SIPC. Wealthfront Brokerage is not a bank. The base APY is 3.30% on cash deposits as of January 30, 2026, is representative, subject to change, and requires no minimum. If eligible for the overall boosted rate of 4.05% offered in connection with this promo, your boosted rate is also subject to change if the base rate decreases during the 3 month promo period. Additional terms and conditions apply, which can be found on Wealthfront.com/Huberman. Funds in the Cash Account are swept to program banks, where it earns the variable APY. Same-day withdrawal or instant payment transfers may be limited by destination institutions, daily transaction caps, and by participating entities such as Wells Fargo, the RTP® Network, and FedNow® Service. New Cash Account deposits are subject to a 2-4 day holding period before becoming available for transfer. Investment advisory services are provided by Wealthfront Advisers LLC, an SEC-registered investment adviser. Securities investments: not bank deposits, bank-guaranteed or FDIC-insured, and may lose value.

Disclaimer & Disclosures: https://www.hubermanlab.com/disclaimer

Mindsip insights from this episode:

Leverage selective memory to enhance understanding in aging

As we age, we become better at selectively remembering things we are curious about and forgetting information that is irrelevant or doesn't fit our understanding of the world.

Walk 40 minutes thrice weekly to reverse brain aging

Walking for 40 minutes, three to four times a week, was shown in a study to increase hippocampal volume by 1%, effectively reversing one to two years of age-related decline.

Feel younger to enhance lifespan

Your subjective age, or how old you feel, is a better predictor of how long you will live than your actual biological age.

Fail to recall for improved learning retention

The best way to learn something is to first attempt to recall it from memory and fail, as this struggle primes your brain for better learning when you receive the correct information.

Build cognitive reserve through purpose and social connection

The Nun Study revealed that individuals can maintain high cognitive function despite having the physical brain hallmarks of dementia, suggesting factors like purpose and social connection build a protective 'cognitive reserve'.

Leverage past memories to envision future possibilities

The brain processes used to reconstruct past memories are the same ones used to imagine the future, meaning our vision for the future is built upon our past experiences.

Train balance to prevent falls

Balance is often overlooked but is crucial for healthy aging and is highly trainable through simple exercises like standing on one leg with your eyes open or closed.

Navigate midlife dip to rediscover happiness

Happiness and life satisfaction often follow a U-shaped curve, hitting their lowest point in midlife before increasing again in older age.

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