NeuroMatrix: Dual N-Back432 Hz Solfeggio

Dorsolateral Prefrontal Cortex ($Gf$ Fluid IQ)

Jaeggi et al. (PNAS 2008) — Proven method to increase fluid intelligence through simultaneous audio-spatial working memory load

• •Observe the flashing blue square position and listen to the audio pitch.
• •Press POSITION MATCH (A) if the current grid tile matches the position N steps ago.
• •Press AUDIO MATCH (L) if the current tone matches the tone N steps ago.
• •Achieve 80%+ accuracy across 20 trials to level up from N=1 to N=2, N=3, and N=4.