This emotion determination system is provided with: an input information generation unit which, on the basis of the detection signal from one or more sensors provided on a target object, generates input information for determining the emotion of the target object; a secretion information generation unit which, on the basis of a detection signal, generates secretion information indicating the amount of secretion of one or more endocrine substances; and a parameter adjustment unit which, on the basis of the secretion amount of the endocrine substance indicated by the secretion information, adjusts a calculation parameter for determining the emotion from the input information.
EMOTION DETERMINATION SYSTEM, SYSTEM, AND PROGRAM