Set and Setting (English, from English set and setting [sɛt (ə) n (d) ˈsɛtɪŋ] - “setting and setting”) are the conditions of the environment and the internal mood that determine the sensations and experiences received when taking psychoactive substances , in particular psychedelics or hallucinogens .
- Set (installation) describes the internal state (mental, psychological, emotional), the mood of a person using the substance.
- The setting (setting) describes the external environment - directly the physical as well as the social space surrounding the person at the time of the action of the substance.
The term was first coined by American writer and psychologist Timothy Leary .
A set is a person’s internal state that he brings to a trip , his thoughts, mood, and expectations. Setting refers to the physical and social environment. Studies show that group and social environments play a very important role in the outcome of a psychedelic experience  . Mass psychology at the conscious and unconscious level is able to control and direct the course of the trip. Stress, fears , uncomfortable surroundings can lead to unpleasant experiences, or a bad trip . At the same time, a safe and comfortable environment for a relaxed user who is curious about unusual states of the mind often leads to experiences that are pleasant and beneficial to his mind.
|It can be said without a doubt that the dose of a substance does not directly determine the transcendental experience. The substance only serves as a chemical key, opening the mind , freeing the nervous system from its usual structures and patterns. The nature of the experience is almost entirely dependent on the set and setting. The set determines the individual’s inner preparation, including the structure of his personality, his mood, and his current emotional state. The setting refers to the physical world - the weather outside the window, the room’s atmosphere, the social and cultural environment, the feelings of the people around them and the prevailing points of view with respect to the question of what is real. For this reason, guidance and books with instructions are needed, their role is to explain the ability to understand others, new to the perception of the reality of expanded consciousness , to serve as a map of the internal territories that have become available as a result of the progress of science  .|
- Shewan, D., Dalgarno, P. and Reith, G. Perceived risk and risk reduction among ecstasy users: the role of drug, set, and setting (English) : journal. - 2000. - Vol. 10 . - P. 431-453 .
- Leary, Timothy. The Psychedelic Experience: A Manual Based on the Tibetan Book of the Dead. - London: Academic Press, 1969.