History Main / PerceptionFilter

10th Dec '17 6:39:38 PM gophergiggles
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* SocialEngineering sometimes relies on this. Remain inconspicuous, look and act like you belong somewhere, and don't say or do anything memorable or attention-grabbing, and anyone who does notice you will forget they ever saw you minutes later. How often do ''you'' remember the barista who served you the other day, the janitor you walked past, or the guy who stood in line with you?
10th Dec '17 6:31:36 PM gophergiggles
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* The Stone Mask in ''Videogame/TheLegendOfZeldaMajorasMask'' has this effect, making the player "inconspicuous as a stone." Link can't see an NPC wearing the mask without the help of the Lens of Truth.

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* The Stone Mask in ''Videogame/TheLegendOfZeldaMajorasMask'' has this effect, making the player "inconspicuous as a stone." Link can't see an NPC wearing the mask without the help of the Lens of Truth. It turns out too that particularly disciplined or trained people can see past it: regular Pirates will ignore you but the {{Mini Boss}}es will remark [[DevelopersForesight "That mask won't work on me, boy!"]] before attacking, attempting to enter their boss's room with it will make her scold her guards for not noticing you.
18th Oct '17 7:38:56 PM PaulA
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* The ScienceFiction novel ''[[Literature/KnownSpace A Gift from Earth]]'' by Creator/LarryNiven features a protagonist with a form of invisibility. He has a {{psychic power|s}} that allows him to force others not to notice him. His unconscious use of this power when he's nervous makes his social life awkward, but it is quite useful for other things. The limitations are that he has to be looking someone in the eyes for it to work, but when it happens they will literally forget he was even there. It eventually became listed among the "officially recognized" psychic powers in Niven's "Known Universe" and was named "Plateau Eyes," based on the fact that the original novel was set on the colony world, Plateau.

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* The ScienceFiction novel ''[[Literature/KnownSpace A Gift from Earth]]'' ''Literature/AGiftFromEarth'' by Creator/LarryNiven features a protagonist with a form of invisibility. He has a {{psychic power|s}} that allows him to force others not to notice him. His unconscious use of this power when he's nervous makes his social life awkward, but it is quite useful for other things. The limitations are that he has to be looking someone in the eyes for it to work, but when it happens they will literally forget he was even there. It eventually became listed among the "officially recognized" psychic powers in Niven's "Known Universe" and was named "Plateau Eyes," based on the fact that the original novel was set on the colony world, Plateau.
2nd Oct '17 1:31:38 PM Scorpion451
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** The association of ninjas with the black pajamas doubles as an {{Exploited}} meta-example that's OlderThanSteam: in several forms of traditional Japanese theater, stagehands and puppeteers wore body-covering black outfits to manipulate scenery and props without distracting the audience from the action on-stage. At some point, a theater troupe noticed their audiences habitually ignored the black-clad objects creeping around on stage, and came up with a brilliant way for a ninja to seemingly appear from nowhere and scare the wits out of their audience. While audiences eventually grew wise to the trope, the link between black outfits and ninjas became [[TheCoconutEffect cemented in Japanese culture]] as the default form of VisibleInvisibility for ninjas in artwork and stories, a depiction that stuck as they were introduced to the rest of the world.
14th Sep '17 9:26:36 AM LummoxJR
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* The wizard Visak used this to hide his treasure in ''Literature/{{Below}}''. It's already deep in the ruins where most people would have a great deal of trouble reaching it alive, but his overlook spell ensures they'll never find it even if they blunder right into it. He also had many years to reinforce his spell with new layers of deception.
8th Sep '17 4:03:49 AM VVK
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** Even though it's treated like it's based on a WeirdnessCensor, this is still a special ability or property that can be turned on or off, or had or not had by the same being in the same kind of circumstances. So, for example, Susan can choose become invisible this way, and Death can choose to be visible in his true form even to {{Muggles}}. In ''Discworld/ThiefOfTime'', there's a scene where a clear distinction is made between Perception Filter and Weirdness Censor: Susan doesn't have to turn on her invisibility, as it were, because a Gothically dressed young lady walking a horse inside where she is really is too incredible for anyone to register.

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** Even though it's treated been explained like it's based on a WeirdnessCensor, this is still a special ability or property that can be turned on or off, or had or not had by the same being in the same kind of circumstances. So, for example, Susan can choose become invisible this way, and Death can choose to be visible in his true form even to {{Muggles}}. In ''Discworld/ThiefOfTime'', there's a scene where a clear distinction is made between Perception Filter and Weirdness Censor: Susan doesn't have to turn on her invisibility, as it were, because a Gothically dressed young lady walking a horse inside where she is really is too incredible for anyone to register.
8th Sep '17 3:49:53 AM VVK
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** In ''Mort'', Princess Keli effectively becomes invisible to everyone by accident because according to fate, she's supposed to be dead. People's brains keep telling them she's not there, she can only get them to notice her with difficulty, and they tend to forget her right away. {{Defied}}: she hires a wizard who can see her to remind people of her, and they post posters and have her name shouted everywhere.

to:

** In ''Mort'', Princess Keli effectively becomes invisible to everyone by accident because according to fate, she's supposed to be dead. People's brains keep telling them she's not there, she can only get them to notice her with difficulty, and they tend to forget her right away. {{Defied}}: she hires a wizard who can see her to remind people of her, and they post posters with her face and have her name shouted everywhere.
8th Sep '17 3:48:24 AM VVK
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* ''TableTopGame/{{GURPS}} {{Discworld}}'' calls this ''Psychic Invisibility''. Naturally, the idea is basically the same as for ''Discworld'' books, described above.

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* ''TableTopGame/{{GURPS}} {{Discworld}}'' calls this ''Psychic Invisibility''. Naturally, the idea is basically the same as for ''Discworld'' books, described above.above -- the "magical ability" version.
8th Sep '17 3:45:55 AM VVK
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** In ''Mort'', Princess Keli effectively becomes invisible to everyone by accident because according to fate, she's supposed to be dead.

to:

** In ''Mort'', Princess Keli effectively becomes invisible to everyone by accident because according to fate, she's supposed to be dead. People's brains keep telling them she's not there, she can only get them to notice her with difficulty, and they tend to forget her right away. {{Defied}}: she hires a wizard who can see her to remind people of her, and they post posters and have her name shouted everywhere.



** Sidereal Exalted, ever since they broke a constellation, fade extremely rapidly from human memories. They can hold conversations and even vague societal roles (such as "travelling merchant" or "wise teacher") but their identities- or any relationship they have with the person in question- are quickly forgotten once the Sidereal leaves. On the plus side, though, this also means that a lot of the crazy [[note]]and often morally dubious[[/note]] shit they do goes unnoticed by the general population.
-->'''Text of the Sidereal Charm ''Neighbourhood Relocation Scheme'':''' As the character travels, the weave of Creation shifts, dragging part of the world after her. Specifically, both the general terrain and all habitations within her Essence in miles move with her. [...] The new location seems correct and reasonable to all witnesses, although they remember the previous state of affairs.

to:

** Sidereal Exalted, ever since they broke a constellation, fade extremely rapidly from human memories. They can hold conversations and even vague societal roles (such as "travelling merchant" or "wise teacher") but their identities- identities -- or any relationship they have with the person in question- question -- are quickly forgotten once the Sidereal leaves. On the plus side, though, this also means that a lot of the crazy [[note]]and often morally dubious[[/note]] shit they do goes unnoticed by the general population.
-->'''Text of the Sidereal Charm ''Neighbourhood Relocation Scheme'':''' As the character travels, the weave of Creation shifts, dragging part of the world after her. Specifically, both the general terrain and all habitations within her Essence in miles move with her. [...] The new location seems correct and reasonable to all witnesses, although they remember the previous state of affairs. affairs.
* ''TableTopGame/{{GURPS}} {{Discworld}}'' calls this ''Psychic Invisibility''. Naturally, the idea is basically the same as for ''Discworld'' books, described above.
8th Sep '17 2:37:23 AM VVK
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** Even though it's treated like it's based on a WeirdnessCensor, this is still a special ability or property that can be turned on or off, or had or not had by the same being in the same kind of circumstances. So, for example, Susan can choose become invisible this way, and Death can choose to be visible in his true form even to {{Muggles}}. In ''Discworld/ThiefOfTime'', there's a scene where a clear distinction is made between Perception Filter and Weirdness Censor: Susan doesn't have to turn on her invisibility, as it were, because a Gothically dressed young lady walking a horse inside where she is really is too incredible for anyone to register.
** In ''Mort'', Princess Keli effectively becomes invisible to everyone by accident because according to fate, she's supposed to be dead.
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