PROBLEM TO BE SOLVED: To provide a biological signal measuring device capable of measuring long-time waves generated in the head at the same level as when short-time waves are measured.SOLUTION: The biological signal measuring device to be used for measuring biological signals in the head includes: a forehead abutment part 350 to abut on the forehead center an occiput abutment part 340 to abut on the occiput and a supporting body that is supported by the head in such a manner to hold the head in the anterior and posterior direction with the forehead abutment part 350 and the occiput abutment part 340 as ends.COPYRIGHT: (C)2014,JPO&INPIT【課題】頭部で生じる長期間の波動を測定する場合であっても、短期間の波動を測定する場合と同程度に測定し得る生体信号測定用装具を提案する。【解決手段】頭部における生体信号の測定に用いられる生体信号測定用装具は、額中央に当接される1つの部位である額当接部350と、後頭に当接される後頭当接部340と、額当接部350と後頭当接部340とを端として頭部を前後方向に挟みこんで頭部に支持される支持体を有する。【選択図】図9