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Such hallucinations are classified as autoscopic phenomena (from “autoscopy”; in Greek, autos means “self” and skopeo means “looking at”). The simplest form of an autoscopic phenomenon involves feeling the presence of someone next to you without actually seeing a “double” – a sensed presence. The doppelganger effect takes this phenomenon a step further, so that a person may hallucinate that they are actually seeing and interacting with another “me” – a visual double. But probably the most widely experienced and best-known form of autoscopic phenomena is the out-of-body experience (OBE). During a classic full-blown OBE, people report leaving their physical body and seeing it from an outside perspective, say from the ceiling looking down at the body lying in bed...
Some clues come from the work of Olaf Blanke, a neurologist a Swiss Federal Institute of Technology in Lausanne. In 2002, Blanke managed to induce repeated out-of-body experiences in a 43-year-old woman. He had been treating her for drug-resistant temporal-lobe epilepsy. Brain scans did not show any lesions, so Blanke resorted to surgery to figure out the focus of her epilepsy.
It was during such a procedure that Blanke found that he could cause the woman to report some rather weird sensations, by stimulating a single electrode, placed on the right angular gyrus, a small region towards the back of the skull... When the stimulating current was low, she reported “sinking into the bed” or “falling from a height”; when Blanke’s team increased the amperage, she had an out-of-body experience: “I see myself lying in bed, from above,” she said. The angular gyrus lies near the vestibular cortex (which receives inputs from the vestibular system that’s responsible for our posture and sense of balance). Blanke concluded that the electrical stimulation was somehow disrupting the integration of various sensations such as touch with vestibular signals, leading to the woman’s OBE.
The subjects were scanned during their experiences, and the scans revealed that their sense of being out-of-body was correlated with activity in the temporoparietal junction (TPJ), a site that integrates touch, vision, proprioception, and vestibular signals. Here was some objective evidence that the TPJ is involved in the sense of self-location – where you perceive yourself to be.
the brain generates a very weak emf, and most action potential events cycle @ 10-70 hz. i can't find voltage/current figures for what happens when a temporal lobe seizure occurs, but the hertz rate shoots waaaaay up to 140 hz. if the voltage were sufficient, the field generated by the original brain could cause the brain a few inches over to cycle at the same hertz rate, which would mean that they would experience similar, but not identical, effects.
originally posted by: BELIEVERpriest
a reply to: ATODASO
In my case its a matter of spiritual warfare. I study bible prophecy in a unique way (counting syllables in the Hebrew and Greek text), and as a result, I'm often targeted for sleep paralysis and OoBEs...some really nasty stuff. I never know whats going to happen when I close my eyes. My wife has been able to wake up and stop the attacks a few times. I think guardian angels were involved in that.
where do you see the demarcation?
originally posted by: ATODASO
a reply to: Boticelli
are you able to "travel" very far? like, you can jump from your window, but do you explore your neighborhood?
thx in advance for following up.
There are just those outlier accounts of cardiac arrest patients recalling sounds and sights, whilst technically unconscious, that keep the conclusions at bay.