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[[quoteright:300:[[ComicBook/JLATowerOfBabel https://static.tvtropes.org/pmwiki/pub/images/jla_vol_1_45_textless.png]]]]
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->''"Apparently I've lost the'' falatus ''to speak properly!"''
-->-- '''Colonel O'Neill''', ''Series/StargateSG1''

Our heroes are faced with yet another impending disaster of the week, but the disaster would probably be fairly easy to solve. The problem is that the key character for this task has lost his ability to communicate.

In ScienceFiction, this is often a form of PhlebotinumBreakdown applied to the TranslatorMicrobes.

It may result in a MonsterIsAMommy plot. Also, [[SelfDemonstratingArticle chicken legs are the truth of deciding diarhoe]].

The name of this trope comes from a [[TowerOfBabel structure in the Bible]] that mankind built to reach the heavens [[GodhoodSeeker and become gods themselves]]. ''The'' {{God}} didn't like that, so He made all of them speak different languages to create mass confusion and halt the construction.

Often the main reason for PoorCommunicationKills. See also TongueTied and CannotSpitItOut. When the style of language is the barrier rather than the language itself, they're a StrangeSyntaxSpeaker.

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!!Examples:

[[foldercontrol]]

[[folder:Anime and Manga]]
* ''Manga/JoJosBizarreAdventureGoldenWind'': Narancia is briefly attacked by an enemy stand which rips off his tongue. After Giorno repairs it, Narancia [[TongueTied finds himself unable to properly communicate urgent information about the enemy Stand]]. [[spoiler:It turns out that the attack was just a way for a second stand to attach itself to Narancia's tongue, forcing him to say the opposite of what he wanted, and even point in the wrong direction.]]
* ''Anime/{{Symphogear}}'': [[{{Precursors}} The Custodians]] inflicted this on mankind over 5000 years ago, and caused humanity to lose its original language that they shared with each other and the Custodians. The goal of the first season's BigBad, Fine, is to try and destroy the Curse, which she states is anchored on the moon, believing they did so [[AbusivePrecursors to intentionally screw over humanity]] and believed one of them, Enki, her lover, did it specifically to abandon her. [[spoiler:Turns out her attempts at doing so actually screwed over humanity by ''XV'', the fifth and final season. The Curse of Babel is not a mystical curse, but actually a computer program from the supercomputer, Marduk, that was inflicted on mankind from the moon, like she said. However, [[GoodAllAlong there was a really good reason for this]]. This is because the Custodians had a traitor, Shem-ha the Great Surgeon, who attempted to turn humanity into monstrous slaves for herself to try and raise an army to destroy the others. After she failed, she converted herself into words and etched herself into humanity's DNA via the original language. To counter this, the Curse of Babel was created to suppress the original language so that she would never rise again. Unfortunately, due to Fine's attempt to blow up the moon, uncovering the Lunar Ruins of Marduk, and then in Season 2, when Maria sung Apple, a Piece of the original language to give humanity a chance to connect for a brief moment to save the world from the rampaging Nepilim, jumpstarted her resurrection into the mortal plain. [[NiceJobBreakingItHero Oopsy poopsy]].]]
[[/folder]]

[[folder:Comic Books]]
* ''ComicBook/TheBatmanAdventures'': The Scarecrow inflicts this on Gotham City in an early story. Batman and Robin only manage to track him down with help from one of his {{Mooks}}, [[EvenBadMenLoveTheirMamas whose own grandmother had nearly died because she could no longer read her medicine bottles]].
* ''ComicBook/JusticeLeagueOfAmerica'': In the aptly titled ''ComicBook/JLATowerOfBabel'', Ra's al Ghul renders the entire ''world'' both aphasic and dyslexic.
* ''ComicBook/MorningGlories'': Issue #22 sees Hunter, Hisao and The Truants enter The Tower, causing each character to begin speaking in different languages. Interestingly, all the characters are able to understand one another, despite speaking seven different languages. A translation of the scene can be found in the [[http://www.multiversitycomics.com/annotations/mga-study-hall-issue-22/ Study Hall]] page.
[[/folder]]

[[folder:Literature]]
* In ''Literature/Babel17'', as Wong progresses in her study of the language called Babel-17, she starts to find herself occasionally getting stuck in that mode at unexpected times, unable to revert her thinking back to a language her crew might understand. Thinking in Babel-17 helps her think strategically, but the mode appears to be somewhat addictive, and being a strategic genius isn't much good if you can't communicate your strategies to the people who need to implement them.
* ''Literature/AMagesPower'': Zaticana, goddess of language, deliberately caused the original split in Tariatla's languages. She didn't do this as a punishment, but because [[ItAmusedMe she thought the results would be fun to watch]].
* In the ''VideoGame/MechWarrior: Dark Age'' novels, one mech jock suffers brain damage in battle, she is still largely able to communicate, but she switches out key words. Due to the severity of the situation, she is pressed into battle despite her injuries, and is killed in the next fight.
* In the ''Literature/SectorGeneral'' story ''Star Surgeon'', a missile takes out the MasterComputer that handles the [[TranslatorMicrobes universal translators]]. Suddenly, a hospital on the front line of an interstellar war discovers that its human and alien doctors, nurses and patients can only understand what members of their own species are saying.
* In ''Literature/SnowCrash'', the BigBad is attempting to spread an [[MindVirus informational virus]] that causes infected people to revert to the "language of Babel", supposedly a primitive language wired into the human brainstem. He uses this language to essentially take control of their minds. The language is incomprehensible to anyone who is uninfected and hasn't studied it extensively.
* Creator/OctaviaButler's short story "Speech Sounds" explores the aftermath of a pandemic plague that has left the vast majority of humans unable to speak, read, comprehend language, or some combination thereof.
* The fate of the N.I.C.E. in ''Literature/ThatHideousStrength'' is a ShoutOut to the Biblical Tower of Babel.
* In the final arc of ''Literature/{{Worm}}'', [[spoiler:Taylor]] loses her ability to comprehend language as the result of [[spoiler:Panacea]] tampering with her brain.
[[/folder]]

[[folder:Live-Action TV]]
* The second season of ''Series/AgentsOfSHIELD'' has Fitz, who's recently suffered from brain damage, develop aphasia. This leads to trouble when the agents need his help to stop the MonsterOfTheWeek, and all Fitz can say is "I didn't solve this today." They eventually figure out that ExactWords are in play, and "today" is the key word in the sentence: Fitz is trying to tell them that something he built ''previously'' can help them, but he can't accurately state "I solved this already."
* The ''Series/BuffyTheVampireSlayer'' episode "[[Recap/BuffyTheVampireSlayerS4E10Hush Hush]]" takes this to the extreme when ''the entire town'' has their voices taken away by the [[MonsterOfTheWeek Monsters of the Week]].
* In the ''Series/DoctorWho'' story "[[Recap/DoctorWhoS18E1TheLeisureHive The Leisure Hive]]", a Foamasi detective is presented as a villain until we find that he just lacks a speech synthesizer. The same thing happens in "[[Recap/DoctorWhoS17E3TheCreatureFromThePit The Creature from the Pit]]" (which also had the same scriptwriter).
* ''Series/{{House}}'':
** The pilot episode of the show centers on a schoolteacher who is suddenly stricken with Aphasia before losing consciousness. She does have the presence of mind to write a message on the chalkboard to the students to call the nurse.
** The PatientOfTheWeek in one episode is dysphasic. In a twist on the usual plot, the patient has a diagnosis-cracking secret, and really wants to reveal it, but he can't.
* In a small arc in season 6, Sun-Hwa Kwon of ''Series/{{Lost}}'' manages to lose her ability to speak English. Only she can still write in English, so there's no barrier to communication, and she's fine three episodes later. This is, unsurprisingly, generally considered one of the more pointless story arcs in the series' history.
* In the ''Series/{{Monk}}'' episode "[[Recap/MonkS1E10MrMonkAndTheEarthquake Mr. Monk and the Earthquake]]", Adrian Monk develops aphasia as a result of the shock of seeing his formerly immaculate apartment wrecked by an earthquake. It leads to a gag at the end wherein Monk delivers the episode's NecroCam [[TheSummation Summation]] in that same gibberish.
* In the ''Series/PowerRangersSPD'' episode "Recognition", Sky [[FreakyFridayFlip switches bodies]] with an alien who is physically unable to speak English (and the alien deliberately breaks the translator for good measure).
* In the ''Series/RedDwarf'' episode "[[Recap/RedDwarfSeasonVDemonsAndAngels Demons and Angels]]":
-->'''[[ArtificialIntelligence Holly]]:''' Rude alert! Rude alert! An electrical fire has knocked out my voice recognition unicycle! Many Wurlitzers are missing from my database. Abandon shop! This is not a daffodil. Repeat, this is not a daffodil.
* This happens to the cast in the ''Series/SoWeird'' episode "Babble", due to their exposure to a stone from the tower.
* In the ''Series/StargateSG1'' episode "[[Recap/StargateSG1S2E15TheFifthRace The Fifth Race]]", Jack loses his ability to speak anything other than Ancient after having an ancient library dumped into his brain. Initially, he can still understand spoken English and write/type it, but eventually even that fails. [[RecycledScript The exact same thing happens again]] in "[[Recap/StargateSG1S7E21LostCityPart1 Lost]] [[Recap/StargateSG1S7E22LostCityPart2 City]]", but that time it's intentional.
* In the ''Series/StarTrekDeepSpaceNine'' episode "[[Recap/StarTrekDeepSpaceNineS01E05Babel Babel]]", the station's occupants are exposed to a bioweapon that disrupts their speech centers, causing the victims to develop aphasia.
* In the ''Series/StarTrekDiscovery'' episode "[[Recap/StarTrekDiscoveryS2E04AnObolForCharon An Obol for Charon]]", a strange planetoid-sized living sphere infects the ''Discovery'' with a computer virus that, among other things, messes with the universal translator. As a result, crewmembers have trouble understanding one another or the instruments since everything gets translated to a random human or alien language (e.g., Burnham starts speaking to Pike in Klingon, while he responds in French). In a nod to the {{Trope Namer|s}}, Pike eventually greets Saru entering the bridge by saying "Welcome to the Tower of Babel" in Hebrew ("Barokh' haba l'mig'dal babal"). Fortunately, Burnham knows that Saru has [[{{Omniglot}} taught himself 94 languages]] early in his Starfleet career, which has no doubt come in handy.
-->'''Saru:''' Am I the only one here who studied a foreign language?
* In the ''Series/StarTrekTheNextGeneration'' episode "[[Recap/StarTrekTheNextGenerationS2E5LoudAsAWhisper Loud as a Whisper]]", the only diplomat who can broker a peace is rendered mute when his telepathic translators are killed. Turns out good in the long run when he decides to [[spoiler:force the warring parties to spend weeks learning to communicate with him, and thus cool their tempers and learn to cooperate]].
* ''Series/StarTrekVoyager'':
** In "[[Recap/StarTrekVoyagerS5E19ThinkTank Think Tank]]", ''Voyager'' is able to escape the think-tank's plan by disrupting the ability of its members to communicate with each other.
** In "[[Recap/StarTrekVoyagerS4E24HopeAndFear Hope and Fear]]", Neelix's [[TranslatorMicrobes universal translator]] suddenly fails while he is on a trading away mission, rendering him unable to communicate with his trading partners. An alien named Arturis, [[ThisLooksLikeAJobForAquaman who happens to be from a species which is exceptionally good in learning languages]], comes to Neelix' rescue by playing his interpreter. Out of gratitude, Neelix invites him to the ''Voyager''. [[spoiler:It later turns out that Arturis very probably has [[ThePlan orchestrated]] this whole incident, because he needed to gain the crew's trust for his plans of revenge. ([[ItMakesSenseInContext He considers Cpt. Janeway to be responsible for the Borg assimilating his species]].)]]
* In ''Series/StrangeDaysAtBlakeHolseyHigh'', SIM cards with powerful encryption programming can be used in cell phones to render someone unintelligible or render speech between two people unintelligibly encrypted to anyone also not possessing a phone with one.
* ''Series/TheTwilightZone1985'': In "[[Recap/TheTwilightZone1985S1E2 Wordplay]]", main character Bill Lowery gradually suffers this trope, although it's [[AmbiguousSituation left ambiguous]] if he's developing aphasia or if language itself is transforming (the end of the episode shows that even books have been printed in the "new" English). The first indication of the change is his wife Kathy telling him about a doctor named Bumper. He comments on his unusual name but thinks nothing more about it. When his neighbor Mr. Miller refers to his dog as an encyclopedia, Bill thinks that it is a practical joke. However, he becomes agitated when the mailroom attendant Robbie asks his advice on where to take Barbie for "dinosaur". Bill assumes that it is some sort of New Wave slang until he goes home and Kathy uses the same word. By the time that he goes to work the next morning, he cannot understand anyone and he is equally incomprehensible to everyone else. This presents problems when his young son Donnie has to be rushed to the emergency room. After Donnie is successfully treated, Bill has to learn the new language. He picks up one of his son's ABC books and sees that the new word for dog is "Wednesday". Other new words include "mayonnaise" for "experience", "trumpets" for "tricks", "throwrug" for "anniversary", "stepdad" for "seatbelt" and "elephant" for "emergency". Bill's own name is Hinge Thunder.
* In ''Series/Warehouse13'', stones from the tower make anyone touching them unintelligible to anyone who is also not in contact with a stone, effectively encrypting speech.
[[/folder]]

[[folder:Podcasts]]
* ''Podcast/WelcomeToNightVale'': The Desert Bluffs exiles in the other world attempt to dig a bottomless pit to honor the [[GodOfEvil Smiling God]], only to become aphasic as the result of the evil spirits they accidentally unleash.
[[/folder]]

[[folder:Religion]]
* The original Tower of Babel in ''Literature/TheBible''. The curse is reversed somewhat at Pentecost, where the Spirit gave the apostles the ability to speak every language that existed in the known world. This was eventually considered a "sign gift" and became a matter of controversy that Paul dealt with in his epistles.
[[/folder]]

[[folder:Theatre]]
* PlayedForLaughs in ''Theatre/JasperInDeadland''. One of the stages of [[GhostAmnesia "The Forgetting"]] is speaking Portuguese.
-->'''Gretchen:''' The second stage, you begin to forget others: your friends, your parents. And the third stage, you start speaking in Portuguese.\\
'''Jasper:''' Portuguese?\\
'''Gretchen:''' [[MakesJustAsMuchSenseInContext No one knows why]].
[[/folder]]

[[folder:Toys]]
* ''Toys/{{Bionicle}}'' has the [[MaskOfPower Mask]] of Incomprehension, which can be used to render an opponent unable to understand any language for a while. It can only affect one target at a time, though.
[[/folder]]

[[folder:Video Games]]
* ''VideoGame/BugFables'': When Leif ends up in the presence of some artifact related to the Everlasting Sapling, [[spoiler:or the Sapling itself, or the place that reminds him of his own past]], he ends up involuntarily slipping into the Roach language. [[spoiler:These reactions are induced by the Roach-altered cordyceps fungus residing in his body.]]
* In ''VideoGame/CarmenSandiegoWordDetective'', [[Franchise/CarmenSandiego the titular thief]] plans to [[IntangibleTheft steal the power of speech]] by {{invok|edTrope}}ing this trope on the whole world. Fittingly, the tower she uses as her headquarters is named [[PunnyName the Tower of Babble]].
* In ''VideoGame/{{Fortnite}}'', [[spoiler:the loop]] does this to people who enter it and also makes them forget who they are.
* One of the [=PvP=]-specific abilities of Warlocks in ''VideoGame/WorldOfWarcraft'' is Curse of Tongues. This spell forces the target to speak in [[BlackSpeech Demonic]], slowing down their spellcasting as they struggle with the unfamiliar tongue. In a flavorful little bonus, if the target tries to /say or /yell anything while under the effect, their text will come out unintelligible (text in chat channels remain unaffected, though).
[[/folder]]

[[folder:Webcomics]]
* One post-revival arc of ''Webcomic/{{Fans}}'' has the villains remove all written language from history, resulting in worldwide illiteracy and an inability to communicate by writing.
* For a number of strips of ''Webcomic/TheOrderOfTheStick'', Haley Starshine can only speak in cryptograms that change in every strip, allowing readers who are clever/determined enough to figure out what she's saying.
* ''Webcomic/{{Xkcd}}'': Subverted for laughs in a strip about the TowerOfBabel. God was super impressed that they made such a tall tower, and asked what they would like as a reward. Unfortunately, they brought a linguist with them, who wanted more languages to study.
[[/folder]]

[[folder:Western Animation]]
* In one episode of ''WesternAnimation/BatmanBeyond'', appropriately named "[[Recap/BatmanBeyondS2E12Babel Babel]]", Shriek messes with soundwaves, preventing anyone in Gotham City from being able to communicate intelligibly.
* In the ''WesternAnimation/{{Futurama}}'' episode "[[Recap/FuturamaS3E7TheDayTheEarthStoodStupid The Day the Earth Stood Stupid]]", Leela learns that some giant alien brains are rendering everyone on Earth into idiots... and then she falls under their power, too, and can barely talk well enough to explain the problem to the one person who can help.
-->'''Leela:''' ''[with urgency]'' Brain! Brain make people dumb.\\
'''Fry:''' ''[patiently]'' No, Leela, brain make people smart.\\
'''Leela:''' Nooo!
* ''WesternAnimation/GadgetBoyAndHeather'': In the appropriately-titled episode "Power of Babble", Spydra develops a ray which causes people to start uttering nonsense.
* In the ''WesternAnimation/GreenLanternTheAnimatedSeries'' episode "Babel", Hal, Kilowog, and Razer's rings run out of power so they can't translate each other's native tongues.
* In one episode of ''WesternAnimation/MyLifeAsATeenageRobot'', Jenny saves Tokyo from some monsters and comes back home after. Problem is, she had switched language discs from English to Japanese and lost her English disc in Tokyo. She suffers the majority of the episode--and half a battle with the Japanese monsters--speaking Japanese, even though [[FridgeLogic one assumes her mother could've just burned her a new English disc]]. Luckily, a kid she saved back in Japan shows up with a tour group to give the English disc to her.
* In one episode of ''WesternAnimation/ThePowerpuffGirls1998'', a pack of squirrels raise a ruckus after the Mayor builds a statue over the spot where they'd been burying their acorns. Bubbles, who can talk to animals, is unable to sort things out because she had been rendered mute after a bee she nearly swallowed stung her in the throat.
[[/folder]]

[[folder:Real Life]]
* A CBS news reporter suffered from this while on the air, leading to widespread speculation that she had suffered a stroke. It was later [[http://www.foxnews.com/health/2011/02/18/complex-migraine-cbs-reporters-air-health-scare/ found]] to be caused by an unusual form of migraine headache.
* Aphasia (especially [[https://en.wikipedia.org/wiki/Receptive_aphasia Wernicke's aphasia]]) is the RealLife version of this. It can be caused by strokes, brain damage, migraine headaches, and so on.
** Blogger and author M.Giant recounts his experience with temporary aphasia [[http://velcrometer.blogspot.com/2004/10/my-brain-hurtseverybody-kn_109832870557686270.html here.]]
[[/folder]]
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