History Main / SharedMassHallucination

13th Jul '15 6:19:03 AM Morgenthaler
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* A minor version in ''TheBeastFromTwentyThousandFathoms'', where the hero, Dr. Nesbitt, lost in an Arctic wasteland, finds his colleague, George, raving about seeing a monster. Soon afterward, Nesbitt sees the monster himself, but George freezes to death. When he gets back to base, Nesbitt is told by his superiors that the cold can cause hallucinations, but since George saw the exact same thing, Nesbitt is not convinced.
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* A minor version in ''TheBeastFromTwentyThousandFathoms'', ''Film/TheBeastFromTwentyThousandFathoms'', where the hero, Dr. Nesbitt, lost in an Arctic wasteland, finds his colleague, George, raving about seeing a monster. Soon afterward, Nesbitt sees the monster himself, but George freezes to death. When he gets back to base, Nesbitt is told by his superiors that the cold can cause hallucinations, but since George saw the exact same thing, Nesbitt is not convinced.
17th May '15 4:54:04 PM nombretomado
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* In a SuzumiyaHaruhi short story, ''Snow Mountain Syndrome'', the plot of the entire story (almost a day long) was explained to Haruhi as shared '''Highway Hypnosis'''. From wandering in a blizzard.
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* In a SuzumiyaHaruhi LightNovel/HaruhiSuzumiya short story, ''Snow Mountain Syndrome'', the plot of the entire story (almost a day long) was explained to Haruhi as shared '''Highway Hypnosis'''. From wandering in a blizzard.
14th Apr '15 2:01:44 PM mzytryck01
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* In TheDresdenFiles book ''Dead Beat'' witnesses to the climax involving Harry [[spoiler: [[CrowningMomentOfAwesome reanimating a zombie T-rex and riding it into battle through the streets of Chicago]]]] apparently let themselves be convinced that it was an example of this trope caused by a hallucinogenic reaction to the spores from a batch of mouldy bread. Harry is fully aware how ridiculous this explanation is, but chalks it up to another case of humans swallowing ''anything'' rather than face up to the implications of what they've seen. To be fair, though, this particular incident is ''so'' ridiculous that even people who might normally be open to the idea of the supernatural would probably find the bread explanation less absurd.
10th Apr '15 6:11:53 AM Gowan
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* In ''Literature/DragonBlood'', the heroes plan to explain the appearance with a dragon that way. They come from a culture that likes dragons, so it would be believable. One of them even makes up songs about stupid people who believe in dragons, so that no one will believe they have actually seen a dragon.
11th Nov '14 5:11:48 PM Bosihiov
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* [[http://en.wikipedia.org/wiki/Penis_panic A penis panic]] is a form of mass hysteria where groups of people suddenly become convinced that their genitals are shrinking or disappearing. Many other strange mass hysterias and hallucinations have also occurred in history, such as those documented in the book [[http://en.wikedia.org/wiki/Extraordinary_Popular_Delusions_and_the_Madness_of_Crowds Extraordinary Popular Delusions and the Madness of Crowds]].
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* [[http://en.wikipedia.org/wiki/Penis_panic A penis panic]] is a form of mass hysteria where groups of people suddenly become convinced that their genitals are shrinking or disappearing. Many other strange mass hysterias and hallucinations have also occurred in history, such as those documented in the book [[http://en.wikedia.wikipedia.org/wiki/Extraordinary_Popular_Delusions_and_the_Madness_of_Crowds Extraordinary Popular Delusions and the Madness of Crowds]].
6th Nov '14 5:21:42 PM SSJMagus
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* The ''Film/MenInBlack'' do this after using their [[LaserGuidedAmnesia neuralyzers]], which make the targets extremely susceptible to suggestions, allowing the Men in Black to craft a plausible suggestion that everybody "saw."
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* The ''Film/MenInBlack'' do this after using their [[LaserGuidedAmnesia neuralyzers]], which wipe the targets' short-term memory and make the targets them extremely susceptible to suggestions, allowing the Men in Black to craft a plausible suggestion that everybody "saw."" And since it's the targets' own brains that create false memories to fill in the blanks of whatever basic explanation the [=MiB=] provide, the usual flaw in this trope doesn't apply: each person's brain will come up with something a little different, and thus the inconsistent details from one person to the next actually make the {{Masquerade}} ''more'' believable.
26th Oct '14 12:30:49 PM eowynjedi
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* Though it doesn't actually happen, the Russian government uses this excuse in ''Anime/MobileFighterGGundam'' to ignore the Devil Gundam in favor of pursuing victory in the Fight, much to Nastasha's irritation--Argo was infected by it and she herself was nearly absorbed.
30th Aug '14 9:10:50 PM Fireblood
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* [[http://en.wikipedia.org/wiki/Penis_panic A penis panic]] is a form of mass hysteria where groups of people suddenly become convinced that their genitals are shrinking or disappearing.
to:
* [[http://en.wikipedia.org/wiki/Penis_panic A penis panic]] is a form of mass hysteria where groups of people suddenly become convinced that their genitals are shrinking or disappearing. disappearing. Many other strange mass hysterias and hallucinations have also occurred in history, such as those documented in the book [[http://en.wikedia.org/wiki/Extraordinary_Popular_Delusions_and_the_Madness_of_Crowds Extraordinary Popular Delusions and the Madness of Crowds]].

* After the resurrection of Jesus, Roman troops were coerced into claiming that Jesus' disciples overcame them and stole the body, despite them all having good alibis. After reports of Jesus walking and talking for a full forty days after his alleged demise, the Romans claimed that he was OnlyMostlyDead despite three days being far more than any human could survive without treatment after flagellation alone, much less [[ThereIsNoKillLikeOverkill flagellation, crucifixion, and a spear wound.]] Somewhat subverted in that Christianity eventually became the official state religion of the Roman Empire. ** Of course seeing how people who knew Jesus well took a long time to even recognize that this person even looked like their spiritual leader, it can be questioned if he was indeed the same person before and after the crucifixion.
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* After One story says that after the resurrection of Jesus, Roman troops were coerced into claiming that Jesus' disciples overcame them and stole the body, despite them all having good alibis. After reports of Jesus walking and talking for a full forty days after his alleged demise, the Romans claimed that he was OnlyMostlyDead despite three days being far more than any human could survive without treatment after flagellation alone, much less [[ThereIsNoKillLikeOverkill flagellation, crucifixion, and a spear wound.]] Somewhat subverted in that Christianity eventually became the official state religion of the Roman Empire. ** Of course seeing how even according to the Gospels, people who knew Jesus well took a long time to even recognize that this person even looked like their spiritual leader, him as who he was, thus it can be questioned if he was indeed the same person before and after the crucifixion. crucifixion. Since these accounts were also written down only decades after when the time when these events were said to occur (and without being attested elsewhere) exactly what truly happened remains debated by historians.
30th Aug '14 8:54:53 PM Fireblood
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[[ArtisticLicenseBiology Hallucinations don't work that way]], even if multiple people were exposed to the same hallucinogen, they wouldn't see the same thing. The only time it's remotely plausible is if the people were already expecting to see whatever it was they believed they saw (which, in fact, is a very large part of how StageMagic is performed) - and even then, they probably wouldn't share the particular details of the hallucination.
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[[ArtisticLicenseBiology Hallucinations don't work that way]], even way]]-even if multiple people were exposed to the same hallucinogen, they wouldn't see the same thing. The only time it's remotely plausible is if the people were already expecting to see whatever it was they believed they saw (which, in fact, is a very large part of how StageMagic is performed) - and even then, they probably wouldn't share the particular details of the hallucination.

* The ''Film/MenInBlack'' do this after using their [[LaserGuidedAmnesia neuralyzers]], which make the targets extremely suceptible to suggestions, allowing the Men in Black to craft a plausible suggestion that everybody "saw."
to:
* The ''Film/MenInBlack'' do this after using their [[LaserGuidedAmnesia neuralyzers]], which make the targets extremely suceptible susceptible to suggestions, allowing the Men in Black to craft a plausible suggestion that everybody "saw."

* In ''Series/{{CSI}}'', Grissom refers to the alien conspiracy theorist club to having a shared mass hallucination. Of course, they saw this as a part of the evil police force working for the reptilians trying to put them down.
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* In ''Series/{{CSI}}'', Grissom refers to the alien conspiracy theorist club to as having a shared mass hallucination. Of course, they saw this as a part of the evil police force working for the reptilians trying to put them down.

[[AC:Religion]] * In ''Series/{{CSI}}'', Grissom refers to After the alien conspiracy theorist club to resurrection of Jesus, Roman troops were coerced into claiming that Jesus' disciples overcame them and stole the body, despite them all having good alibis. After reports of Jesus walking and talking for a shared mass hallucination. Of course, they saw this as full forty days after his alleged demise, the Romans claimed that he was OnlyMostlyDead despite three days being far more than any human could survive without treatment after flagellation alone, much less [[ThereIsNoKillLikeOverkill flagellation, crucifixion, and a part spear wound.]] Somewhat subverted in that Christianity eventually became the official state religion of the evil police force working for Roman Empire. ** Of course seeing how people who knew Jesus well took a long time to even recognize that this person even looked like their spiritual leader, it can be questioned if he was indeed the reptilians trying to put them down.same person before and after the crucifixion.

[[AC:Religion]] * After the resurrection of Jesus, Roman troops were coerced into claiming that Jesus' disciples overcame them and stole the body, despite them all having good alibis. After reports of Jesus walking and talking for a full forty days after his alleged demise, the Romans claimed that he was OnlyMostlyDead despite three days being far more than any human could survive without treatment after flagellation alone, much less [[ThereIsNoKillLikeOverkill flagellation, crucifixion, and a spear wound.]] Somewhat subverted in that Christianity eventually became the official state religion of the Roman Empire. ** Of course seeing how people who knew Jesus well took long time to even recognize that this person even looked like their spiritual leader, it can be questioned if he was indeed the same person before and after the crucifixion.
6th Apr '14 11:03:47 PM M84
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Explained in a lot of cases by people simply not wanting to believe in things like hostile aliens or demons from Hell coming to Earth. The stupid explanation works because people are [[WillingSuspensionOfDisbelief willing to ignore the reasons a shared hallucination isn't actually possible]] if it means they can keep believing they didn't really see an army of demons last week.
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