PROBLEM TO BE SOLVED: To provide a wearable electrode which can stably detect a biological signal even during vigorous exercises.SOLUTION: An electrode of the present invention is for detecting a biological signal of an organism and is provided with a projection part which is constituted of members of higher friction coefficient than members constituting the electrode, in at least a part of a portion that can be in contact with the organism.SELECTED DRAWING: Figure 1COPYRIGHT: (C)2016,JPO&INPIT【課題】激しい運動時にも安定的に生体信号を検出可能なウェアラブル電極を提供する。【解決手段】本願発明の電極は、生体の生体信号を検出するための電極であって、生体に接触しうる部分の少なくとも一部に、電極を構成する部材よりも摩擦係数の高い部材から構成される突起部を備える。【選択図】 図1