Kwik Brain with Jim Kwik Simple Ways to Sharpen Your Memory, Learning & Thinking with Dr. Therese Huston
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Jul 28, 2025 
Dr. Therese Huston, a cognitive scientist and author of "Sharp," shares science-backed techniques to enhance your mental agility. She reveals why multitasking is a productivity killer and promotes single-tasking for better focus. Huston discusses the neuroscience behind procrastination and offers visualization tactics to boost productivity. Discover the cognitive benefits of 'exercise snacks' and why dark chocolate may be your brain's best friend. For anyone seeking a sharper mind, these simple strategies can transform your cognitive life!
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Multitasking Harms Focus and Accuracy
- Multitasking reduces brain activity by about 37% and increases errors by almost 50%.
- It also makes deep focus harder later, so single tasking is more effective.
Brain Changes with Age
- Younger brains peak in fluid intelligence, processing speed, and quick problem-solving.
- Older brains excel in crystallized intelligence, pattern recognition, and wisdom from experience.
Optimize Your Brain by Age
- Younger people should set clear, explicit goals to capitalize on fast thinking.
- Older adults should engage in aerobic exercise to build brain connections and boost cognition.
