{"title":"神经系统改变…还有其他的故事","authors":"","doi":"10.1136/bmj.p2222","DOIUrl":null,"url":null,"abstract":"Findings on examination of the peripheral nervous system in 4000 people without polyneuropathy are a reminder that what counts as normal changes with age. Vibration sensation was absent at the hallux and Achilles tendon reflexes were lost in a third of older people. In contrast, superficial pain sensation and patellar reflexes remained stable. Sural nerve action potential amplitude declined with age and, beyond the age of 80, becameunrecordable in a quarter of participants (Neurologydoi:10.1212/WNL.0000000000207665).","PeriodicalId":9314,"journal":{"name":"BMJ","volume":"22 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2023-10-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"Nervous system changes . . . and other stories\",\"authors\":\"\",\"doi\":\"10.1136/bmj.p2222\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"Findings on examination of the peripheral nervous system in 4000 people without polyneuropathy are a reminder that what counts as normal changes with age. Vibration sensation was absent at the hallux and Achilles tendon reflexes were lost in a third of older people. In contrast, superficial pain sensation and patellar reflexes remained stable. Sural nerve action potential amplitude declined with age and, beyond the age of 80, becameunrecordable in a quarter of participants (Neurologydoi:10.1212/WNL.0000000000207665).\",\"PeriodicalId\":9314,\"journal\":{\"name\":\"BMJ\",\"volume\":\"22 1\",\"pages\":\"0\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2023-10-05\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"BMJ\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1136/bmj.p2222\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"BMJ","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1136/bmj.p2222","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
Findings on examination of the peripheral nervous system in 4000 people without polyneuropathy are a reminder that what counts as normal changes with age. Vibration sensation was absent at the hallux and Achilles tendon reflexes were lost in a third of older people. In contrast, superficial pain sensation and patellar reflexes remained stable. Sural nerve action potential amplitude declined with age and, beyond the age of 80, becameunrecordable in a quarter of participants (Neurologydoi:10.1212/WNL.0000000000207665).
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