one of the most salient correlates of mindfulness practice, it refers to a subjective quality characterized by an absence of fixation on ideas, images or sensory objects, as well as an absence of internal pressure to obtain, hold, avoid or change circumstances or experiences. It has been proposed as one of the main adaptive action mechanisms in the improvement of well-being linked to mindfulness interventions and has been used as a measure of the detached perspective of the self. It is related to an individuals's amount of meditation practice and is used to differentiate between clinical populations, healthy people and meditators.