DIFFERENTIATION DEVICE, DIFFERENTIATION METHOD FOR DEPRESSION SYMPTOMS, DETERMINATION METHOD FOR LEVEL OF DEPRESSION SYMPTOMS, STRATIFICATION METHOD FOR DEPRESSION PATIENTS, DETERMINATION METHOD FOR EFFECTS OF TREATMENT OF DEPRESSION SYMPTOMS, AND BRAIN ACTIVITY TRAINING DEVICE

摘要

The present invention differentiates objective disease labels for depression symptoms relative to brain activity states. As one means to address the problem to be addressed thereby, the present invention provides a differentiation device that is for helping to determine whether a subject has depression symptoms. The differentiation device comprises a storage device that is for storing information that specifies a classifier that has been generated by classifier generation processing from signals obtained by using a brain activity detection device to chronologically premeasure signals that indicate brain activity in a plurality of prescribed regions of the resting brains of each of a plurality of participants that include healthy and depressive patients. The classifier: is generated on the basis of a weighted sum of a plurality of functional connectivities that, from among functional connectivities between the plurality of prescribed regions, have, by means of machine learning, been selected by feature selection as being related to disease labels for depression symptoms; and is generated to differentiate the disease labels for depression symptoms. The differentiation device also comprises a computing device. Using the classifier, the computing device executes differentiation processing that generates classification results for the depression symptoms of the subject.