CONCUSSION

In the civil law. The unlawful forcing of another by. threats of violence to give something of value. It differs from robbery, in this: That in robbery the thing is taken by force, while in concu ion it is obtained.by threatened violence. Heinec. Elem. § 1071. In medical jurisprudence,, Concu ion. of the brain is a jarring of the brain substance, by a fall, blow, or other external in• jury, without laceration of its ti ue, or with only microscopical laceration. Maynard v. Railroad Co., 43 Or. 63, 72 Pac. 590. [s. 244]