History Main / NinetyPercentofYourBrain

8th Apr '18 1:53:02 PM Papermage8
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* In the film ''Film/{{Limitless}}'', starring Bradley Cooper and Creator/RobertDeNiro, Cooper plays a down-on-his-luck writer who takes a smart drug called NZT-48 that, according to the drug dealer who introduces it to him, allows him to access 100% of his brain as opposed to "the twenty percent", granting him superhuman intelligence and prescience.

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* In the film ''Film/{{Limitless}}'', starring Bradley Cooper and Creator/RobertDeNiro, Cooper plays a down-on-his-luck writer who takes a smart drug called NZT-48 that, according to the drug dealer who introduces it to him, allows him to access 100% of his brain as opposed to "the twenty percent", granting him superhuman intelligence and prescience. (Of course, since the dealer is clearly lying about everything else he says about the drug, such as it being "FDA-approved", he was probably just making up whatever he felt would get Cooper's character to take it.)
6th Mar '18 11:10:41 PM BattleMaster
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* The famous [[http://en.wikipedia.org/wiki/Phineas_Gage Phineas Gage]] had a railroad spike driven through his brain, causing massive damage to his frontal lobes. He recovered, memories and abilities mostly intact, but with a radically changed personality-friends and family said he was "no longer Gage." Despite the injury, he managed to live for another twelve years.
** It was not a railroad spike but a tamping rod, something much bigger and the explosion literally caused it to rocket through his skull and land on the ground some distance away. His coworkers assumed that he was dead until he started talking and tried to get up like nothing had happened.

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* The famous [[http://en.wikipedia.org/wiki/Phineas_Gage Phineas Gage]] had a railroad spike tamping rod driven clean through his brain, head after he struck it with a sledgehammer when too much gunpowder had been poured into its hole, causing massive damage to his frontal lobes. He recovered, memories and abilities mostly intact, but with a radically changed personality-friends and family said he was "no longer Gage." Despite the injury, he managed to live for another twelve years.
** It
years. He was not long used as an example of the effects of damage to the frontal lobs on a railroad spike person, but a tamping rod, something much bigger and the explosion literally caused it to rocket through severity of his skull and land on the ground some distance away. His coworkers assumed that personality changes are now questioned due to a lack of actual records of what he was dead until he started talking and tried to get up like nothing had happened.from before the accident.
27th Feb '18 3:50:27 PM starofjusticev21
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* The operating premise of the ''[[Franchise/TransformersGeneration1 Transformers]]'' [[ChooseYourOwnAdventure interactive book]] ''Project Brain Drain''. The Decepticons plan to drain the awesome untapped mental energies of the human brain from the attendees of a rock concert.
13th Feb '18 4:21:21 AM JackG
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* [[https://news.avclub.com/what-if-lucy-spawned-other-movies-about-stupid-common-m-1798270319 This spoof]] of ''Film/{{Lucy}}'' suggests Hollywood should make other movies based on inane common beliefs.
2nd Feb '18 12:33:23 AM jormis29
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* In ''My Stepmother Is An Alien'' the alien Celeste explains that "We use 104% of our brain capacity, as opposed to your 36%."

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* In ''My Stepmother Is An Alien'' ''Film/MyStepmotherIsAnAlien'' the alien Celeste explains that "We use 104% of our brain capacity, as opposed to your 36%."
14th Jan '18 12:55:18 AM Melkior
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** An old joke goes: An Englishman decides that he wants to become a naturalised Irishman, but he's told that in order to do so, he must have 10% of his brain cut out, leaving 90%. He goes ahead with the operation but when he wakes up, a doctor tells him, "I'm terribly sorry but we made a mistake. Instead of cutting out 10% of your brain, leaving 90%, we accidentally cut out 90% of your brain, leaving 10%." The man thinks about this for a minute, then replies, "She'll be right, mate!"[[note]]Said using an Australian Accent[[/note]]


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** An old joke goes: An Englishman decides that he wants to become a naturalised Irishman, but he's told that in order to do so, he must have 10% of his brain cut out, leaving 90%. He goes ahead with the operation but when he wakes up, a doctor tells him, "I'm terribly sorry but we made a mistake. Instead of cutting out 10% of your brain, leaving 90%, we accidentally cut out 90% of your brain, leaving 10%." The man thinks about this for a minute, then replies, "She'll be right, mate!"[[note]]Said using an Australian Accent[[/note]]
14th Jan '18 12:45:33 AM Melkior
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* A Silver Age ''{{ComicBooks/Superman}}'' story involved a computer which was supposed to be designed like a human brain (but was the size of a small room). Its creator explicity laments there being no power source "powerful enough to activate all its circuits at the same time" and wonders what it might be capable of if there were. Then he decides to program it with a human personality... by hooking it up to [[SecretIdentity Clark Kent's]] brain...


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** An old joke goes: An Englishman decides that he wants to become a naturalised Irishman, but he's told that in order to do so, he must have 10% of his brain cut out, leaving 90%. He goes ahead with the operation but when he wakes up, a doctor tells him, "I'm terribly sorry but we made a mistake. Instead of cutting out 10% of your brain, leaving 90%, we accidentally cut out 90% of your brain, leaving 10%." The man thinks about this for a minute, then replies, "She'll be right, mate!"[[note]]Said using an Australian Accent[[/note]]
10th Dec '17 6:48:40 PM gophergiggles
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This trope name comes from the oft-repeated but false assertion that humans only use 10 percent of their brains. In RealLife, we use ''all'' of our brains, just not all at the same time -- in much the same way you don't have every electronic/mechanical item in your home running at all times; you only turn things on when you need to use them. If you ever do find yourself with every part of your brain "on" at once, congratulations, ''you're having a seizure!'' [[note]]More precisely, seizures occur because parts of the brain start firing off randomly. In some general seizures, the entire brain can have neuronal activity at once for brief moments.[[/note]]

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This trope name comes from the oft-repeated but false assertion that humans only use 10 percent of their brains.brains, a misquote of ''How To Win Friends And Influence People''[[note]]"The average person develops only 10 percent of his latent mental ability"[[/note]]. In RealLife, we use ''all'' of our brains, just not all at the same time -- in much the same way you don't have every electronic/mechanical item in your home running at all times; you only turn things on when you need to use them. If you ever do find yourself with every part of your brain "on" at once, congratulations, ''you're having a seizure!'' [[note]]More precisely, seizures occur because parts of the brain start firing off randomly. In some general seizures, the entire brain can have neuronal activity at once for brief moments.[[/note]]
2nd Dec '17 10:06:46 AM SparkPlugTheTroper
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* Parodied in ''WesternAnimation/LesShadoks''. The Shadoks use their brain plenty, but they only have four boxes in their brain, and they can only know how to do up to four activities as a result; for example, if a Shadok knows how to ride a bike, and doesn't know how to read, and if their brain is already full, they'll have to unlearn how to ride a bike if they want to learn how to read.
21st Nov '17 11:33:51 PM PaulA
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* In the ''Series/DoctorWho'' [[Literature/DoctorWhoNewAdventures New Adventures]] novel ''All-Consuming Fire'', a character with psychic abilities (pyrokinesis, specifically) is discovered to have suffered a major head trauma that destroyed a large chunk of his brain. Bernice mentions the 90% thing, and speculates that the man's brain, in the course of rerouting around the damage, started using a previously unused part of the brain and activated the pyrokinesis.

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* In the ''Series/DoctorWho'' [[Literature/DoctorWhoNewAdventures New Adventures]] novel ''All-Consuming Fire'', ''[[Recap/DoctorWhoNewAdventuresAllConsumingFire All-Consuming Fire]]'', a character with psychic abilities (pyrokinesis, specifically) is discovered to have suffered a major head trauma that destroyed a large chunk of his brain. Bernice mentions the 90% thing, and speculates that the man's brain, in the course of rerouting around the damage, started using a previously unused part of the brain and activated the pyrokinesis.
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