Eleven expert trainers focus on the power of the brainspotting technique as a body-brain-based relational therapy with reference to the most important principles of treatment developed by David Grand: - dual attunement - the role of grounding and remaining silent - the "no assumption" and the "uncertainty" principles - the "follow the head of the comet" metaphor dealing with grief and loss using brainspotting with children and teenagers and with competitive athletes and performing artists suffering from performance anxiety Use of this method with complex traumatized patients as well as empirical analysis make it clear why brainspotting has proved itself to be an effective and patient-friendly approach in trauma therapy. Its groundbreaking