Brain Damage Can Be Grammar-Specific

We know that a specific form of magnetic stimulation to the brain can render masses unable to verbalise . But it can get a lot more specific than that . mental capacity lesions can get so selective , they can knock out a particular form of grammar .

Transcranial magnetized stimulus , or TMS , is both fascinating and terrifying . During TMS , researchers practice a motorcar that creates a magnetized landing field muscular enough and localized enough to interpose with mentality natural process . It gives you very impermanent mental capacity harm . This interference can be aim to very specific areas of the brain — as we see in the clip below .

That looks terrifyingly like something that people would be demand to tire in a dystopia like the one in Harrison Bergeron . ( In that world , the regime force everyone to be adequate by frame masks on the beautiful , by distracting the clever , and by weighing down the strong . ) Put a wand next to your head , and your fine motor control , or your power to speak , is just gone . Fortunately , so far we are only using TMS to pin down where unlike abilities are traditionally housed in the brain .

It ’s not surprising that the wand can take out the ability to speak , to do math problems , or to move . What ’s surprising is how specific it can get . The encephalon is so specific that different areas take charge of dissimilar parts of grammar . In one experimentation , mass were asked to fill in the missing word from a couple of judgment of conviction . The sentences were not hard . They were things like , “ One nestling . Many _ _ _ _ _ _ . ” They were also sentences like , “ Today I stargaze . Yesterday , I _ _ _ _ _ _ _ _ . ” If you notice , one eccentric of sentence deals with noun , while the other heap with verbs . Put the TMS wand over the leftover anterior midfrontal convolution , and people can still manipulate the noun . They ca n’t manipulate verbs anymore . There is n’t just a section of the brain marked “ language . ” dissimilar part of the brain deal with different variety of nomenclature .

What exactly does this mean ? Some think that there is a footpath in the brain that address with nouns specifically . It is in bearing of identifying and naming things . The motor area of the brain is more concerned with verbs and action words . The trouble , then , is count on out where word like , “ music ” or “ meeting ” stand . Music is a noun , but it is an nonphysical one . A coming together is a noun , but it ’s one that is also a kind of modified verb , in that a meeting is a mathematical group of people coming together . Which part of the brain deals with which word ?

find like this are also challenging in that they imply that the brain itself is responsible for grammar . We might have been sorting words into group based not just on logical class , or even fanciful ones , but because different groups of words were literally process differently in our heads . Grammar might be an saying of neuroscience .

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