An autonomous entity is the experience of perceived contact with beings which appear to be sentient and autonomous in their behaviour.          These entities can manifest within both external and internal hallucinations.  Autonomous entities will frequently act as the inhabitants of a perceived independent reality  . Although many entities seem largely unaware of a person’s presence they are often precognizant of a person's appearance into their realm and usually choose to interact with them in various ways. The behaviour of a typical entity can vary wildly and seems to depend heavily on one's current emotional state. For example, while many entities will act as loving beings  , teachers   , or healers in certain contexts they are equally capable of acting as indifferent, uncaring or even as malicious tormentors. Entities can take any form but subconscious archetypes are present and commonly include: Humans   , shadow people, bodiless super intelligent humanoids, aliens   , elves  , animals   , giant spheres, insectoids   , beings of light, anthropomorphic beings   , plants   , conscious inanimate objects, fictional characters, cartoons, robotic machines, gods  , demigods, goddesses, bio-mechanical intelligences, hooded figures, demons, indescribable monstrosities, spirits  , angels  , shamans, ghosts, souls, ancestors, fantastical or mythological beasts, glitch creatures and more. It is worth noting that the content, style, and general behaviour of an autonomous entity is often largely dependent on the emotional state of the person experiencing it. For example, a person who is emotionally stable and generally happy will usually be more prone to experiencing loving, kind, and healing entities. In contrast, however, a person who is emotionally unstable and generally unhappy will usually be more prone to experiencing hateful, sinister, and mocking entities. This experience is often accompanied by other coinciding effects such as geometry  , internal hallucinations and delusions. It is most commonly induced under the influence of heavy dosages of hallucinogenic compounds, such as psychedelics, dissociatives, and deliriants. However, it can also occur under the influence of stimulant psychosis, sleep deprivation, and during dreams.
There are several distinct personality types of autonomous entity which one may potentially encounter. They are often perceived to represent a particular subsection of a person’s own consciousness and can be identified primarily through their personality, but also their appearance. These individual types are broken down into three separate categories below:
- Representations of general concepts - This personality type can be described as a seemingly sentient representation of any known concept. This will usually adopt an appropriate personality and set of mannerisms to fit the chosen concept with an impressive degree of detail. For example, the specific concept could include other people that the person has met throughout their life, specific fictional characters or symbolic representations of concepts such as abstract ideas, emotions, or key parts of one’s own personality.
- Representations of the self - This personality type can be described as a copy of one’s own personality. It can take any visible form but when conversed with it clearly adopts an identical vocabulary and set of mannerisms to one’s own consciousness.
- Representations of the subconscious - This personality type can be described as an entity which may take any visible form, but is also subjectively perceived to be an autonomous controller behind the continuous generation of the details of the person’s current hallucinations. They may also be felt to simultaneously control or manage one’s current perspective, personality, and internally stored model of reality. When interacted with, this category of entity can often possess abilities which allow them to directly alter and manipulate one’s current experiences. They commonly want to teach or guide the person and will operate under the assumption that they know what is best for them. However, it cannot be known whether this hallucination is genuinely a representation of the subconscious or is merely an approximation which behaves in a convincing manner.
Autonomous entities can communicate with a person via a combination of spoken word, “telepathy”, conceptual thoughts, mathematics, and geometry-based visual linguistics which generally consists of morphing coloured structures of different textures that are innately understandable as representations of specific concepts. They will often convey insights regarding overcoming personal issues within a person’s life and will occasionally help clarify philosophical or spiritual ideas. However, more often than not entities are very likely to speak in a cryptic or nonsensical manner which seems to have no clear meaning behind it. It is important to note that autonomous entities can never convey novel information to the person experiencing them. For example, they cannot provide insights about the external world which a person did not already know on some level. Instead, they can only provide alternative perspectives and help build upon existing ideas. This is presumably because autonomous entities do not have access to any knowledge which is not already contained within one's conscious or subconscious memories. When communicated with through spoken word, the level of coherency in which these entities can communicate with is highly variable but can be broken down into four distinct levels. These are described and listed below:
- Silence - At the lowest level, the effect can be described as a complete unresponsiveness from the entity and a lack of speech despite their presence within the hallucination.
- Partially defined incoherent speech - At this level, the effect can be described as linguistic conversational responses and noises which almost sound like words but do not contain any real content or meaning beyond a vague sense of emotional intent.
- Fully defined incoherent speech - At this level, the effect can be described as audible linguistic conversational responses and noises which contain fully defined and understandable words, but often lack grammatical structure or an overall sense of general coherency.
- Partially defined coherent speech - At this level, the effect can be described as linguistic conversational responses which contain fully defined and understandable words with a partially defined grammatical structure and general coherency. It conveys its point on a level which is frequently coherent, but may not always be fully understandable and will sometimes descend into broken English or even gibberish.
- Fully defined coherent speech - At the highest level, the effect can be described as linguistic conversational responses which contain understandable words and fully defined grammatical sentence structures. It has an overall sense of general coherency which conveys its point in a level of detail that is genuinely on par with that of a person’s own intellect.
The specific differences between each potential style of autonomous entity can be broken down into the following variations:
- Lucid vs. Delirious - Autonomous entities can maintain a consistent level of awareness throughout their presence regarding the fact that they are a result of drug-induced hallucination. In contrast to this, entities can also become completely believable in a delusional manner that occurs no matter how absurd or unrealistic their presence may seem.
- Aware vs. Unaware - Autonomous entities can either present themselves as completely unaware of the person’s presence in a manner that is similar to watching a video of them play out in front of one’s field of vision. However, entities can also be very much aware of the person’s presence and will respond accordingly by interacting and conversing with them.
- New entities vs. Memorized entities - Autonomous entities can present themselves as entirely new beings which the person has never experienced before in their day to day or life. However, they can also present themselves as previously known friends, family members, acquaintances, and cultural icons.
- Geometry-based vs. Solid - Autonomous entities can be comprised of condensed psychedelic geometry or they can appear to be made from realistic materials.
- Strassman, R. [J.] (2001). DMT: The spirit molecule: A doctor’s revolutionary research into the biology of near-death and mystical experiences. Rochester, VT: Park Street Press. | https://doi.org/10.1176/appi.ajp.159.8.1448
- DMT, Aliens, and Reality—Part 1/2 (psychologyToday) | https://www.psychologytoday.com/us/blog/unique-everybody-else/201210/dmt-aliens-and-reality-part-1
- Luke, D. (2012). Psychoactive substances and paranormal phenomena: a comprehensive review. International Journal of Transpersonal Studies, 31(1), 12. | https://digitalcommons.ciis.edu/cgi/viewcontent.cgi?article=1097&context=ijts-transpersonalstudies
-  Luke, D. (2011b). Discarnate entities and dimethyltryptamine (DMT): Psychopharmacology, phenomenology and ontology. Journal of the Society for Psychical Research, 75, 26-42. | http://search.ebscohost.com/login.aspx?direct=true&db=aph&AN=59219548&site=ehost-live
-  Meyer, P. (1994) Apparent communication with discarnate entities induced by dimethyltryptamine (DMT). In Lyttle, T. Psychedelics, 161-203. New York: Barricade Books. | https://www.erowid.org/chemicals/dmt/dmt_writings2.shtml
- Cott, C. and Rock, A. (2008) Phenomenology of N,N-Dimethyltryptamine use: a thematic analysis. Journal of Scientific Exploration 22, 359-370. Phenomenology of N,N-Dimethyltryptamine use: a thematic analysis. Journal of Scientific Exploration. | http://dro.deakin.edu.au/eserv/DU:30017247/cott-phenomenologyof-2008.pdf