Essentials: Tools to Boost Attention & Memory | Dr. Wendy Suzuki - Huberman Lab Recap

Podcast: Huberman Lab

Published: 2026-01-15

Duration: 41 minutes

Guests: Wendy Suzuki

Summary

Dr. Wendy Suzuki discusses practical tools like exercise, meditation, and affirmations to enhance cognitive functions such as attention and memory. Exercise, in particular, significantly boosts brain health by increasing brain-derived neurotrophic factor (BDNF).

What Happened

Dr. Wendy Suzuki emphasizes the profound impact of exercise on brain health, explaining how aerobic activities release brain-derived neurotrophic factor (BDNF), which is crucial for hippocampal growth and cognitive function. Exercise not only has immediate benefits like improved mood and focus but also long-term cognitive advantages, potentially delaying cognitive decline in older adults. A notable study highlighted that high-fit women in their 40s maintained better cognition in their 80s compared to low-fit peers, demonstrating the lasting impact of physical fitness on brain health.

Suzuki highlights the importance of the hippocampus in memory formation and imagination. She explains that factors like novelty, repetition, association, and emotional resonance greatly influence memory retention. The hippocampus's role in associating and storing personal memories underscores its vital function in defining our personal histories.

The episode discusses how even short bouts of exercise can significantly boost mood by releasing dopamine, serotonin, and noradrenaline. A 10-minute walk can be enough to enhance mood, making it a simple yet effective tool for mental health improvement. Regular cardiovascular exercise stimulates BDNF release, further supporting memory and cognitive performance.

Meditation is presented as another powerful tool for cognitive enhancement. Even brief, guided meditation sessions have been shown to reduce stress responses and improve mood and cognitive performance over time. Meditation fosters a habit of focusing on the present, reducing anxiety about the future and regret about the past.

Verbal affirmations, especially when combined with physical exercise, can boost mood and help develop a habit of self-kindness. The episode highlights Patricia Moreno's IntenSati method, which combines affirmations with exercise to enhance both mood and cognitive function.

Dr. Suzuki and Andrew Huberman underline the top three tools for increasing attention: exercise, meditation, and sleep. Sleep is crucial for overall cognitive functions, including creativity and attention, emphasizing its role in maintaining optimal brain health.

Key Insights