This phenomenon can be partly attributed to the common counterproductive approach to study (making extreme efforts to memorize, tensing muscles, inducing fatigue), but it also simply reflects the way the brain functions. Lozanov therefore made indirect instruction (suggestion) central to his teaching system. In suggestopedia, as he called his method, consciousness is shifted away from the curriculum to focus on something peripheral. The curriculum then becomes peripheral and is delta with by the reserve capacity of the brain