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The patient : A 44 - year - old serviceman in France
The symptoms : For two week prior to hold up to the Doctor of the Church , the man had been feeling modest impuissance in his left leg . There were n’t any illustrious freakishness in his medical history or neurologic development , except for when a shunt had to be localise in his brain when he was 6 months former . The shunt helped relieve fluid buildup in his brainiac , which had an unknown reason . When he turned 14 years old , the bypass was bump off .
Brain scans revealed a notable buildup of fluid in a man’s brain that had pushed its tissues up against the skull.
What materialise next : When the man reported his branch failing to medical practitioners , doctors ran CT and MRI scan of his head . They also performed neuropsychological testing , which give away that the man ’s IQ was 75 , below the average scotch of 100 .
The diagnosis : Doctors check that the patient role was live with a brain that was at least half the average size .
The brain CAT scan also disclose a declamatory buildup of fluid in his brain , which allowed little room for tissue . This left the patient role with just a thin sheet of brain tissue paper pushed up against his skull . The scans prove that the fluid - fill cavities in the brain — telephone ventricles — were extremely dilated . It ’s likely that this fluid accumulation drove the man ’s leg weakness .
The treatment : Doctor of the Church drained this redundant fluid from the man ’s skull , which helped the patient recover some of his leg strength . In a case report published inThe Lancet , the doctor wrote that a fresh shunt was also insert inside the military man ’s skull , and within a few weeks , the affected role ’s neurological examination — which were used to evaluate his ramification weakness — retort to service line . " The findings on neuropsychological testing and CT did not transfer , " they noted , so the adult male ’s intelligence quotient remained about the same .
What makes the case unique : Over the course of evolutionary history , mankind ' brains became notably large compare with those of our relatives , leading to amend cognitive capacity and linguistic process acquisition . The exact reasons for this growth arenot fully understoodbut are belike connect to a combining ofenvironmentalanddietaryfactors , among other pressure .
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A human ’s brain also grows significantly within a person ’s lifetime , with the genius during adulthood typically beingdramatically largerthan the size of their brain as a newborn infant . In the serviceman ’s subject , it might have been have a bun in the oven that he would show deficit due to get a little - than - average brain . However , despite the smaller sizing of his brain , the man did not show any deficits and was working as a polite servant .
Had he not rise leg weakness , his small learning ability may well have go unnoticed .
This article is for informational purposes only and is not intend to offer medical advice .
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