PROBLEM TO BE SOLVED: To provide a device that selectively detects a psychogenic non-epileptic fit.SOLUTION: A device for acquiring a brain wave of a subject at the onset of a psychogenic non-epileptic fit includes: a plurality of electrodes equipped with an electric circuit for receiving the brain wave; one or a plurality of devices for indicating the onset of the psychogenic non-epileptic fit; an evaluation device for determining the onset of the psychogenic non-epileptic fit; and a device for acquiring the brain wave at the onset of the psychogenic non-epileptic fit, which consists of a device for extracting the brain wave at the onset of the psychogenic non-epileptic fit.SELECTED DRAWING: Figure 1COPYRIGHT: (C)2020,JPO&INPIT【課題】心因性非てんかん発作を選択的に検出する装置を提供すること。【解決手段】本発明は、心因性非てんかん発作の発症時の被験者の脳波取得装置であって、前記脳波を受信するための電気回路を備えた複数の電極と、前記心因性非てんかん発作の発症を指示する1つもしくは複数の装置と、前記心因性非てんかん発作の発症を判断する評価装置と、前記心因性非てんかん発作の発症時の脳波を抽出する装置からなる、心因性非てんかん発作発症時脳波取得装置を提供する。【選択図】図1