A plurality of light transmitting probe 12 and a light receiving probe 13 arranged on the scalp surface by the frame subject, together with the light transmitting probe 12 irradiates the light to the scalp surface, the light receiving probe 13 is released from the scalp surface that by controlling to detect light, and sending light receiving control section 21 obtains a plurality of received light amount information relating to the plurality of the measurement site, based on the plurality of received light quantity information, a plurality of the measurement data a calculation unit 22 for acquiring, there is provided an optical bioinstrumentation apparatus 1 and a correlation coefficient calculation unit 23 for calculating a correlation coefficient values indicating the strength of the correlation between the measurement data, three-dimensional scalp surface image 41 and / or a three-dimensional image display control unit 32 which acquires and displays 3D brain surface image 42, on the 3-dimensional scalp surface image 41 and / or three-dimensional brain surface image 42, the measurement-related point which measurement data is obtained and displays, and a correlation coefficient display control unit 24 for displaying so as to connect the measuring relevant point and the measurement-related point in the line that indicates the magnitude of the correlation coefficient value被検者の頭皮表面上に配置される複数個の送光プローブ12及び受光プローブ13と、送光プローブ12が頭皮表面に光を照射するとともに、受光プローブ13が頭皮表面から放出される光を検出するように制御することで、複数個の測定部位に関する複数個の受光量情報を取得する送受光用制御部21と、複数個の受光量情報に基づいて、複数個の測定データを取得する演算部22と、各測定データ間の相関の強さを示す相関係数値を算出する相関係数算出部23とを備える光生体計測装置1であって、3次元頭皮表面画像41及び/又は3次元脳表面画像42を取得して表示する3次元画像表示制御部32と、3次元頭皮表面画像41及び/又は3次元脳表面画像42上に、測定データが得られる測定関連点を表示するとともに、相関係数値の大きさを示す線分で測定関連点と測定関連点とを結ぶように表示する相関係数表示制御部24とを備える。