Foreword by Stanley Krippner, Ph.D. Part 1.Theoretical Foundations. 1. Theoretical Foundations. 2. Critical Moments during Competition: The Theory of Critical Moments. 3. The High Risk Model of Threat Perception and Athletes. 4. Primary Higher Order Predictor Variables: Effects on Athletes and Performance. 5. Neuropsychophysiological Concomitants of Primary Higher Order Factors and the Athlete's Profile. Part 2. Emerging Evidence. 6. Emerging Evidence: Results from a Large Study of Athletes. 7. Emerging Evidence: Statistical and Empirical Implications. 8. Psychophysiological Concomitants of Primary Higher Order Factors and the Athlete's Profile: Heart Rate Variability and Heart Rate Deceleration Investigations. Part 3. AppliedSport Psychology: Assessing and Mastering CriticalMoments. 9. Assessing Critical Moments. 10. Toward a Global Psychophysiological Marker of Psychological Performance and Critical Moments during Competition: Quantifying Zone or Flow States. 11. Assessing and Predicting Psychological Performance during Critical Moments on the Basis of Pychophysiological Stress Testing: A Case Study. 12. Mastering Critical Moments: The Carlstedt Protocol. 13. Applying the Carlstedt Protocol: A Case Study. 14. Active-Alert Hypnosis and the Carlstedt Protocol. 15. A Design for Implementing and Testing the Efficacy of a Biofeedback Protocol Created for a Fromer Wimbledon Champion: A Case Study. 16. An Internet-Based Athlete Assessment, Analysis, Intervention, and Database Center: Your Personal Sport Psychology Consultant.