2. The method of claim 1 , wherein the hearing prosthesis is selected from the group consisting of a hearing aid worn by the recipient and a device at least partially implanted in the recipient.
1. A method comprising: receiving audio input into a hearing prosthesis that is operable to stimulate a physiological system of a recipient in accordance with the received audio input, the received audio input representing an audio environment of the recipient; determining by the hearing prosthesis, based on the received audio input, linguistic characteristics of the audio environment, wherein the linguistic characteristics comprise (i) a measure of quantity of speech by the recipient and (ii) a measure of quantity of speech by one or more people other than the recipient; generating by the hearing prosthesis data representing the determined linguistic characteristics; and outputting the data from the hearing prosthesis.