尚未回答,尽管最近的基因研究发现四个基因与口吃的一些实例。这四个基因与蛋白质负责“细胞贩运。”This means the proteins are like ushers that ensure the elements of a cell end up in the right spots within that cell. It appears that more than one neurological disorder could be linked to problems with cellular trafficking [source:NIDCD]。可能是一些孩子口吃经历在一个相对常见的发展阶段,但一个子集组基因倾向于继续口吃到成年。
在六世纪拜占庭皇帝查士丁尼的医生,Aetius阿弥陀佛,是第一个提出手术治疗,其中包括切片的系带(之间的皮肤薄皮瓣舌头和嘴巴的地板)。可怜的舌头!变化这种疗法被证明是受欢迎的古往今来,随着一个又一个医生提出了新的切割方式,优秀的肌肉。在1830年代,一位法国医生名叫h . de Chegoin确信口吃者有超大的舌头。明显的解决办法是减少,借助手术刀,大小。
在美国,an intrepid pair named Jane Leigh and Christopher Yates developed an approach that was intended as a kind of strengthening, or reorientation, exercise. Once again, the tongue was assumed to be the culprit. Stutterers were to place the tip of their tongues hard against the front of their palates, directly behind the upper front teeth, and hold it there for three days.