PROBLEM TO BE SOLVED: To provide a stress state measuring apparatus determining the stress state of a subject in real time.SOLUTION: The stress state measuring apparatus includes an activity level measuring unit 1 and a stress state determining unit 2. The activity level measuring unit 1 measures each of the activity level of a right side prefrontal area and the activity level of a left side prefrontal area. The stress state determining unit 2 determines the degree of stress on the basis of a difference between the activity level of the right side prefrontal area and the activity level of the left side prefrontal area measured on the activity level measuring unit 1. For instance, the activity level measuring unit 1 measures the activity level on the basis of the oxygenated hemoglobin concentration or oxygen saturation degree.COPYRIGHT: (C)2011,JPO&INPIT【課題】リアルタイムに被験者のストレス状態を判断できるストレス状態測定装置を提供する。【解決手段】ストレス状態測定装置は、活性度測定部1と、ストレス状態判断部2とからなる。活性度測定部1は、右側前頭前野の活性度と左側前頭前野の活性度とをそれぞれ測定する。ストレス状態判断部2は、活性度測定部1で測定される右側前頭前野の活性度と左側前頭前野との活性度の差分に基づき、ストレスの程度を判断する。例えば活性度測定部1は、酸素化ヘモグロビン濃度又は酸素飽和度に基づき活性度を測定する。【選択図】図1
