The provided text, "De Boardroom Technique: Mastering Your Mindfield," introduces a psychological tool designed to enhance focus, resilience, and self-confidence by aligning emotional and mental states. It explains how uncontrolled thoughts and emotional incoherence, caused by stress, can impair cognitive functions, referencing scientific studies to support these claims. The core of the text is "The Boardroom Technique," an active visualization method that trains the brain like a personal boardroom, allowing individuals to mentally practice and refine their knowledge and responses to stressful situations. The source concludes by presenting casestudies demonstrating the technique's effectiveness in improving performance for students, teachers, and professionals alike, ultimately promoting mental coherence for success.