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An '''out-of-body experience''' (OBE or sometimes OOBE), is an [[experience]] that typically involves a sensation of floating outside of one's [[body]] and, in some cases, perceiving one's [[physical]] body from a place outside one's body (autoscopy). The term out-of-the-body experience was introduced in 1943 by G.N.M Tyrrell in his book ''Apparitions'',[1] and adopted by, for example, Celia Green[2] and [[Robert Monroe]][3] as a bias-free alternative to [[belief]]-centric labels such as "astral projection" or "spirit walking". Though the term usefully distances [[research]]ers from scientifically problematic [[concepts]] such as the [[soul]], scientists still know little about the [[phenomenon]].[4]  

An '''out-of-body experience''' (OBE or sometimes OOBE), is an [[experience]] that typically involves a sensation of floating outside of one's [[body]] and, in some cases, perceiving one's [[physical]] body from a place outside one's body (autoscopy). The term out-of-the-body experience was introduced in 1943 by G.N.M Tyrrell in his book ''Apparitions'',[1] and adopted by, for example, Celia Green[2] and [http://en.wikipedia.org/wiki/Robert_Monroe Robert Monroe] as a bias-free alternative to [[belief]]-centric labels such as "astral projection" or "spirit walking". Though the term usefully distances [[research]]ers from scientifically problematic [[concepts]] such as the [[soul]], scientists still know little about the [[phenomenon]].[4]  

<center>For lessons on the [[topic]] of '''Out of Body Experiences''', follow [http://nordan.daynal.org/wiki/index.php?title=Category:Out_of_Body_Experience this link].</center>

<center>For lessons on the [[topic]] of '''Out of Body Experiences''', follow [http://nordan.daynal.org/wiki/index.php?title=Category:Out_of_Body_Experience this link].</center>

One in ten people has an out-of-body experience at some time in their lives.[5] OBEs are often part of the [[near-death experience]], and reportedly may also lead to [[astral projection]]. Those who have experienced OBEs sometimes claim to have observed details which were unknown to them beforehand.[6]

One in ten people has an out-of-body experience at some time in their lives.[5] OBEs are often part of the [[near-death experience]], and reportedly may also lead to [[astral projection]]. Those who have experienced OBEs sometimes claim to have observed details which were unknown to them beforehand.[6]

In some cases the [[phenomenon]] appears to occur [[spontaneously]]; in others it is associated with a [[physical]] or [[mental]] [[trauma]], use of [[psychedelic]] drugs, dissociative drugs, or a [[dream]]-like [[state]]. Many [[technique]]s aiming to induce the [[experience]] deliberately have been developed,[7] for example visualization while in a relaxed, meditative state. Recent (2007) studies have shown that experiences somewhat similar to OBEs can be induced by direct [[brain]] stimulation. Some of those who experience OBEs claimed to have willed themselves out of their bodies, while others report having found themselves being pulled from their bodies (usually preceded by a feeling of paralysis). In other accounts, the feeling of being outside the body was suddenly realized after the [[fact]], and the experiencers saw their own bodies almost by [[accident]].[8] OBEs often occur during the borderline stage between REM sleep and arousal when sleep paralysis may persist and dream imagery may mingle with sensory input.

In some cases the [[phenomenon]] appears to occur [[spontaneously]]; in others it is associated with a [[physical]] or [[mental]] [[trauma]], use of [http://en.wikipedia.org/wiki/Psychedelics psychedelic] drugs, dissociative drugs, or a [[dream]]-like [[state]]. Many [[technique]]s aiming to induce the [[experience]] deliberately have been developed,[7] for example visualization while in a relaxed, meditative state. Recent (2007) studies have shown that experiences somewhat similar to OBEs can be induced by direct [[brain]] stimulation. Some of those who experience OBEs claimed to have willed themselves out of their bodies, while others report having found themselves being pulled from their bodies (usually preceded by a feeling of paralysis). In other accounts, the feeling of being outside the body was suddenly realized after the [[fact]], and the experiencers saw their own bodies almost by [[accident]].[8] OBEs often occur during the borderline stage between REM sleep and arousal when sleep paralysis may persist and dream imagery may mingle with sensory input.

Some neurologists have suspected that the [[event]] is triggered by a mismatch between visual and tactile signals. They used a [[virtual]] [[reality]] setup to recreate an OBE. The subject looked through goggles and saw his own body as it would appear to an outside observer standing behind him. The [[experiment]]er then touched the subject at the same time as a rod appeared to touch the virtual image. The experiment created an [[illusion]] of being behind and outside one's body. However, critics point out that it is uncertain how this relates to the OBE phenomenon.[9][http://en.wikipedia.org/w/index.php?title=Out-of-body_experience&action=edit&section=26]

Some neurologists have suspected that the [[event]] is triggered by a mismatch between visual and tactile signals. They used a [[virtual]] [[reality]] setup to recreate an OBE. The subject looked through goggles and saw his own body as it would appear to an outside observer standing behind him. The [[experiment]]er then touched the subject at the same time as a rod appeared to touch the virtual image. The experiment created an [[illusion]] of being behind and outside one's body. However, critics point out that it is uncertain how this relates to the OBE phenomenon.[9][http://en.wikipedia.org/w/index.php?title=Out-of-body_experience&action=edit&section=26]