Abstract: The disclosure relates to a method for determining a representation of a subjective state of an individual. The method comprises presenting a semantic question to the individual, and receiving at least one descriptive word obtained from the individual answering the semantic question. The method further comprises transforming each of said at least one descriptive word into a respective semantic representation vector thereby providing a set of one or more semantic representation vectors, and transforming the one or more semantic representation vectors in said set into one semantic representation vector. The method further comprises computing a first difference value or similarity value by comparing said one semantic representation vector with a first predetermined semantic representation of a state associated with a first mental illness or psychiatric disorder.

Abstract: Method, arrangement and computer program in a noise generator (100), for enhancing a cognitive function of a user (110). The method comprises estimating (201) attention level of the user (110), determining (202) an optimal cognitive performance level of the user (110), predicting (203) a noise amount and amplitude that is associated with the optimal cognitive performance level of the user (110), where this prediction is based on the estimated (201) attention level of the user (110), and emitting (204) noise having the predicted (203) noise amount and amplitude, to be received by the user (110).