An out-of-body experience (OBE) is a compelling, often vivid experience in which a person perceives themselves as located at a position outside their physical body, typically from an elevated vantage point. The phenomenology is consistent across independent reports: subjects describe a sense of floating above their body, an aerial viewpoint from which they can observe themselves, the room, and other people; a frequently reported silver cord connecting the experiential self to the physical body; the ability to move through physical space without physical effort; and in some cases, perception of events at distant locations. The experience is typically characterised by extraordinary clarity and vividness — many experiencers report it as "more real than ordinary reality" — distinguishing it phenomenologically from dreams or hallucinations.
OBEs may include a perceived second body — an energetic, etheric, or subtle vehicle occupying the experiencer's perspective. Some accounts include the perception of other non-physical entities or presences. The OBE state may transition into what is experienced as a near-death experience if the underlying physiological crisis is severe enough, and the two phenomena share significant phenomenological overlap. The experience of seeing one's own physical body from outside — sometimes called autoscopy in the neurological literature — is a defining element that distinguishes OBEs from other altered state experiences.
OBEs are substantially more common than is generally appreciated. Multiple independent surveys across different populations and cultures have found lifetime prevalence rates of 10–20%. Blanke and Dieguez (2009) reviewed the epidemiological literature and confirmed this range. Susan Blackmore's 1982 survey of students found 15%. A 1991 Gallup survey found 14% of Americans reporting at least one OBE. Cross-cultural research has found comparable rates in Africa, Germany, and various Asian nations, suggesting the experience is a universal human capacity rather than a culture-specific phenomenon.
The majority of spontaneous OBEs occur during sleep or the transition between waking and sleep — consistent with a relationship to hypnagogic states and REM sleep. A significant minority occur during physical crisis, illness, trauma, or altered states induced by anaesthesia, extreme fatigue, or psychedelic substances. A smaller number occur during meditation, relaxation, or even ordinary waking activity without apparent altered physiology.
The most theoretically significant OBE research concerns claims of accurate perception of events or objects during the OBE state that the physical body could not have perceived. These veridical perceptions are the evidential core of the case for OBEs as more than neurological artefacts.
The most widely cited early laboratory study is Charles Tart's "Miss Z" study (1968). Tart, then at the University of California Davis, studied a young woman who claimed to regularly experience OBEs during sleep. In a laboratory setting, Tart placed a card with a randomly selected 5-digit number on a high shelf visible only from the ceiling. The subject, sleeping in the laboratory with EEG monitoring, successfully reported the target number (97,035) on her fourth trial. Critics have noted limitations including the possibility that Miss Z could have seen the number by normal means, the lack of independent witnesses, and the fact that only one successful trial was obtained. The study has never been independently replicated, and Tart himself acknowledged its preliminary character.
Keith Harary served as an OBE subject in a series of studies at the American Society for Psychical Research in the 1970s. In one protocol, Harary attempted to project to a distant location during a scheduled OBE period, while experimenters at the target location monitored a kitten's behaviour. The kitten — which normally mewed continuously when isolated — fell silent during the periods Harary reported projecting to the location. Though intriguing, the studies were small-scale and methodologically limited.
The AWARE (AWAreness during REsuscitation) study by Sam Parnia and colleagues, published in 2014, prospectively investigated cardiac arrest patients at 15 hospitals in the UK, US, and Austria. Hidden visual targets were placed near the ceilings of resuscitation rooms — visible only from above, where an OBE observer would be positioned. Of 2,060 cardiac arrest cases, 330 survived and were interviewed, and 9% reported some awareness during resuscitation. One case, described in detail, involved a 57-year-old man who reported observing and accurately described several aspects of his resuscitation that were subsequently verified by nursing staff as correct — though the patient was in a resuscitation room without a ceiling target, precluding verification of above-body perception directly. AWARE II, with more extensive target placement, is ongoing.
Neuroscientist Olaf Blanke and colleagues at the École Polytechnique Fédérale de Lausanne (EPFL) published landmark research in 2002 and 2004 demonstrating that OBE-like experiences could be reliably induced by electrical stimulation of the right temporoparietal junction (TPJ) in an epileptic patient undergoing cortical mapping. The patient reported floating above herself, seeing her own body from behind, and visual distortions consistent with autoscopy. Blanke's group subsequently demonstrated that the TPJ integrates visual, proprioceptive, and vestibular information to construct the brain's model of the self's spatial position — and that disruption of this integration could dissociate the experienced self from the physical body.
Philosopher and neuroscientist Thomas Metzinger of the University of Mainz developed the "self-model theory of subjectivity" to account for OBEs within a physicalist framework. Metzinger proposes that normal waking consciousness involves the brain generating a real-time "self-model" — a representation of the body and its location in space. When the inputs to this model are disrupted (by vestibular disturbance, loss of proprioception, hypnagogic transition), the model can become detached from the physical body's actual location, generating the OBE phenomenology. On this account, OBEs are highly realistic experiences generated entirely by the brain's self-modelling processes, without any literal departure of consciousness from the body.
The most influential systematic explorer of voluntarily induced OBEs was Robert Monroe (1915–1995), a Virginia businessman who began experiencing spontaneous OBEs in 1958. Monroe developed a disciplined programme of OBE induction using relaxation techniques, and eventually developed the Hemi-Sync audio technology — binaural beat audio patterns designed to synchronise hemispheric brain activity and facilitate altered states. Monroe described his OBE explorations in three books: Journeys Out of the Body (1971), Far Journeys (1985), and Ultimate Journey (1994), and founded The Monroe Institute in Faber, Virginia, which continues to offer experiential programmes based on his methods.
Monroe's protocols for OBE induction involve progressive physical relaxation to the point of sleep-onset paralysis, maintenance of conscious awareness through the hypnagogic transition, recognition of the characteristic vibrational state — a buzzing, vibrating sensation throughout the body — that Monroe identified as the threshold between ordinary and OBE consciousness, and then intentional movement of the experiential self away from the physical body. These techniques have been developed and taught by the Monroe Institute and by numerous subsequent practitioners, and their basic elements are consistent with the neurological literature's account of conditions predisposing to OBEs: the hypnagogic transition, vestibular disruption, and maintenance of consciousness during sleep-onset paralysis.
The neurological literature consistently identifies REM sleep intrusion and hypnagogic states as the most common physiological substrates of spontaneous OBEs. During the hypnagogic transition (sleep onset), the brain passes through a state of partial consciousness in which vivid imagery, sensory experiences, and altered spatial perception are common. Sleep paralysis — the temporary paralysis of the voluntary motor system that normally accompanies REM sleep — can persist into partial wakefulness, producing an experience of being awake but unable to move that frequently co-occurs with OBE-like experiences.
The relationship between OBEs and REM sleep has been studied using polysomnography. Studies by Stephen LaBerge and others at Stanford have shown that lucid dreams — experiences in which the dreamer becomes aware they are dreaming and can direct the experience — share neural signatures with OBEs and can be deliberately induced using Wake-Initiated Lucid Dream (WILD) techniques virtually identical to Monroe's OBE induction protocols. This has led some researchers to propose that OBEs and lucid dreams are points on a continuum of self-aware altered states rather than categorically distinct phenomena.
The hard evidential question for neuroscience is whether the veridical perception cases — if they are genuine — can be accommodated within the REM/hypnagogia framework, or whether they require a different account. Blanke's TPJ stimulation model explains the phenomenology of OBEs convincingly but does not address veridical perception; Metzinger's self-model theory explicitly denies any literal departure of consciousness from the body. If AWARE II or a comparable study produces well-verified above-body perception during a confirmed flat EEG, these frameworks will face a direct empirical challenge.
This page presents documented research and reported phenomena. No claims about validity or mechanism are made by this archive.