5 Key Takeaways

• 1

  Flavanol-rich foods like cocoa and berries may signal the brain through taste, affecting attention and memory.

• 2

  A study found that the astringent taste of flavanols activates neural circuits linked to arousal and cognition.

• 3

  Mice given flavanols showed increased activity and improved short-term memory compared to controls.

• 4

  Neurochemical analysis revealed rapid activation of the locus coeruleus–noradrenergic system after flavanol intake.

• 5

  The study suggests that sensory signaling from flavanols may enhance brain activity, similar to physical exercise.