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Effects of Caffeine on Reaction Time

📑 5 slides 👁 31 views 📅 3/24/2026
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Introduction to Caffeine

Caffeine is a natural stimulant found in coffee, tea, and energy drinks

Introduction to Caffeine
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How Caffeine Affects the Brain

  • Stimulates central nervous system within 15-45 minutes of consumption
  • Increases dopamine and norepinephrine levels by 30-40%
  • Enhances neuron firing in the cerebral cortex
How Caffeine Affects the Brain
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Reaction Time Studies

  • 200mg caffeine improves reaction time by 10-12% (Journal of Applied Physiology)
  • Effects peak at 1 hour post-consumption, lasting 3-5 hours
  • Best results occur with moderate hydration (500ml water)
Reaction Time Studies
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Optimal Consumption

  • Maximum benefit at 200-400mg daily (2-4 cups coffee)
  • Tolerance develops after 1-2 weeks of regular use
  • Avoid consumption 6 hours before sleep for best results
Optimal Consumption
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Conclusion & Recommendations

  • Caffeine significantly improves reaction time when used strategically
  • Best for tasks requiring alertness like driving or sports
  • Balance with proper hydration and sleep for maximum benefits
Conclusion & Recommendations
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