Mendi Review: Training the Brain's Core
Ray Hornton
November 27, 2025
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What is Mendi? The Science of Focus
Mendi is a personal neurofeedback device designed to train your prefrontal cortex (PFC)—the area of the brain responsible for executive functions, focus, and emotional control. It works by measuring blood flow and oxygenation in the PFC using fNIRS technology.
The Training Experience
The beauty of Mendi's design is how it gamifies concentration. Higher PFC activation flies the object higher.
- Immediate Feedback: You see exactly when your focus lapses.
- The Challenge: Sustaining a focused, calm state trains the "focus muscle."
Verdict: A Powerful Tool for Concentration
Mendi turns the nebulous concept of "focus" into an actionable, achievable score. Highly recommended for scientific brain training.
